Boulder, MT

4:10 PM MDT on June 18, 2013 (GMT -0600)
Elev: 4872 ft
Lon: 112.1° W
Lat: 46.2° N
Source
Rapid Fire Updates™
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Active Advisory: Severe Thunderstorm Watch (US Severe Weather)
Tropical Weather: Tropical Depression Two (North Atlantic) Tropical Storm Leepi (Western Pacific)
News
Air Pollution Linked to Autism
June 18, 2013
Women who are exposed to high levels of air pollution during pregnancy might be twice as likely to have a child with autism, according to a new study from the Harvard School of Public Health thats published in the journal Environmental Health Perspectives.
Largest Supermoon of the Year Peaks This Weekend
June 18, 2013
Get your telescopes ready -- the largest full moon of the year is coming!
The World's Most Amazing Places: Fly Geyser
June 18, 2013
The World's Most Amazing Places: Fly Geyser
Volcano Near Mexico City Rumbles to Life
June 18, 2013
With 4 million people in its shadow, a massive volcano in Mexico rumbles back to life.
Tropical Depression Two Moves West
June 18, 2013
Tropical Depression Two is moving west over Guatemala and Mexico.
Unprecedented Views of Mercury's Surface
June 18, 2013
Check out incredible views of a planet that hasn't been photographed by NASA in nearly 40 years.
Meteorologists Meet to Mull Weird British Weather
June 18, 2013
The weather in London has been far from normal lately, and the locals want to find out why.
NASA Picks 8 New Astronauts, 4 are Women
June 17, 2013
NASA has eight new astronauts.
Water Rescues, Heavy Flooding in Eastern Missouri
June 17, 2013
Heavy rain makes for a nightmare in cities from St. Louis to Cape Girardeau.
NASA Satellite Images of the Month: May 2013
June 17, 2013
A collection of NASA Satellite images of the month, from May 2013.
How 10 Cities are Adapting to Global Warming
June 17, 2013
See some of the cities threatened the most by climate change and how they'll remedy the rising seas.
Floods Kill 23 in Northern India; Dozens Missing
June 17, 2013
Deadly flooding continues in India, washing away roads and buildings.
Scientists Moving 15-Ton Magnet from NY to Chicago
June 17, 2013
It'll take more than a month to get a magnet this large from New York to Chicago.
Investigators Seek Massive Wildfire's 'Point of Origin'
June 17, 2013
Investigators want to know exactly where the Black Forest Fire started.
Mexico Reports Severe Flooding in Border City
June 16, 2013
Heavy weekend rains have caused severe flooding in the Mexican city of Piedras Negras on the border with Texas. Coahuila state officials say one person died and 10,000 houses are damaged, leaving 40,000 peoples homeless.
Can We Control the Weather?
June 17, 2013
Humans have dreamed of taking control of the weather long before Superman and James Bond villians plotted world domination. Here's a look at some of the colorful ideas behind weather manipulation.
Rain Helps Firefighters Battling Colo. Blaze
June 18, 2013
Periods of rain have helped firefighters get a handle on the Black Forest Fire out of Colorado Springs.
End of BP Cleaning Crews Leaves Questions on Gulf
June 16, 2013
Remnants of Oil Spill Linger Despite End of Cleanup
Fracking Fuels Water Fights In Nation's Dry Spots
June 16, 2013
Fracking is increasing competition for water, driving up the price of the precious resource and burdening already depleted aquifers and rivers in certain drought-stricken stretches.
Earthquakes Rattle Mexico, Central America
June 16, 2013
A pair of earthquakes rattled Latin America over the weekend.
More News Articles
Weather Summary
Kari Kiefer
Weather Underground midday recap for Tuesday, June 18, 2013.

Wet and unsettled weather continued for parts of the East and South on Tuesday as a cold front dropped southeastward across the Midwest and Northeast and reinforced another frontal boundary extending from southern New England through the Southern Plains. Rain and thunderstorm activity developed ahead the advancing cold front in parts of the Ohio Valley into New England, while a cooler airmass followed behind the cold front and led to cooler daytimes highs in the Upper Great Lakes and Northeast. Areas of scattered showers and thunderstorms developed near and to the south of the main frontal disturbance from the Mid-Atlantic and Southeast through the Central and Southern Plains. The Storm Prediction Center issued a slight risk of severe thunderstorms for parts of the lower Ohio Valley and eastern and central Carolinas through the afternoon and evenings. Areas of the Ohio Valley were at primary risks of damaging wind gusts and hail, while areas of the Carolinas remained at risk of damaging wind gusts.

Meanwhile, behind this activity impulses from from the West enhanced precipitation and thunderstorm activity in the High Plains and created the potential for strong to severe thunderstorms for a large part of the region. The Storm Prediction Center issued a slight risk of severe thunderstorm development from this afternoon through tonight with threats of hail and damaging wind gusts.

Elsewhere, an upper level low located off the Pacific Northwest coast brought progressively better chances for showers and thunderstorm activity to the Northwest. The Storm Prediction Center issued a slight risk of severe thunderstorm development for the Northern Rockies with hail and damaging wind gusts possible from this afternoon through tonight.
Weather Underground midday recap for Tuesday, June 18, 2013.

Wet and unsettled weather continued for parts of the East and South on Tuesday as a cold front dropped southeastward across the Midwest and Northeast and reinforced another frontal boundary extending from southern New England through the Southern Plains. Rain and thunderstorm activity developed ahead the advancing cold front in parts of the Ohio Valley into New England, while a cooler airmass followed behind the cold front and led to cooler daytimes highs in the Upper Great Lakes and Northeast. Areas of scattered showers and thunderstorms developed near and to the south of the main frontal disturbance from the Mid-Atlantic and Southeast through the Central and Southern Plains. The Storm Prediction Center issued a slight risk of severe thunderstorms for parts of the lower Ohio Valley and eastern and central Carolinas through the afternoon and evenings. Areas of the Ohio Valley were at primary risks of damaging wind gusts and hail, while areas of the Carolinas remained at risk of damaging wind gusts.

Meanwhile, behind this activity impulses from from the West enhanced precipitation and thunderstorm activity in the High Plains and created the potential for strong to severe thunderstorms for a large part of the region. The Storm Prediction Center issued a slight risk of severe thunderstorm development from this afternoon through tonight with threats of hail and damaging wind gusts.

Elsewhere, an upper level low located off the Pacific Northwest coast brought progressively better chances for showers and thunderstorm activity to the Northwest. The Storm Prediction Center issued a slight risk of severe thunderstorm development for the Northern Rockies with hail and damaging wind gusts possible from this afternoon through tonight.
More News Articles

Boulder Weather at a Glance

Updated 4:10 PM MDT
Elevation
4640 ft
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Now
Mostly Cloudy
Mostly Cloudy
Temperature
85.8 °F
Feels Like 83 °F
Wind(mph)
0.0
Sunrise / Set
5:36 AM
9:22 PM
Moon
Waxing Gibbous
Tonight
Thunderstorm 48 °F
T-storms
50% chance of precipitation
Tomorrow
Thunderstorm 70 °F
T-storms
70% chance of precipitation
Tomorrow Night
Chance of a Thunderstorm 39 °F
Chance of T-storms
50% chance of precipitation
Thursday
Chance of a Thunderstorm 63 | 37 °F
Chance of T-storms
30% chance of precipitation
Friday
Chance of Rain 64 | 41 °F
Chance of Rain
20% chance of precipitation
Saturday
Chance of a Thunderstorm 70 | 37 °F
Chance of T-storms
50% chance of precipitation
Tomorrow is forecast to be Much Cooler than today.
Conditions
Pressure
29.64 in
Visibility
10.0 miles
Clouds
Mostly Cloudy 11000 ft
Moisture
Humidity
26%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KBTM 182153Z AUTO 10011G21KT 10SM BKN110 27/02 A2981 RMK AO2 PK WND 15026/2054 LTG DSNT W SLP037 T02670022
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Weather Radio
Weather Radio Index
Temperature
Heat Index
83 °F
Dew Point
47 °F
Wind
Speed / Dir
Calm
Wind Gust
9.0 mph
Health
UV
5 out of 16
Pollen
5.60 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
No Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday Night
nt_tstorms Partly cloudy with thunderstorms and rain showers, then a chance of a thunderstorm and a chance of rain after midnight. Low of 48F. Winds from the SSW at 5 to 15 mph. Chance of rain 50%.
Wednesday
tstorms Partly cloudy with a chance of a thunderstorm and a chance of rain, then thunderstorms and rain showers in the afternoon. High of 70F. Winds from the NW at 5 to 10 mph. Chance of rain 70%.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of rain after midnight. Low of 39F. Breezy. Winds from the West at 15 to 20 mph. Chance of rain 50%.
Thursday
chancetstorms Partly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 63F. Breezy. Winds from the WSW at 15 to 20 mph. Chance of rain 30%.
Thursday Night
nt_partlycloudy Mostly cloudy with a chance of a thunderstorm and a chance of rain. Low of 37F. Winds from the West at 5 to 15 mph. Chance of rain 20%.
Friday
partlycloudy Mostly cloudy with a chance of rain in the afternoon. High of 64F. Winds less than 5 mph. Chance of rain 20%.
Friday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain, then a chance of rain after midnight. Low of 41F. Winds from the NW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Saturday
chancetstorms Overcast with a chance of a thunderstorm and rain in the afternoon. High of 70F. Winds less than 5 mph. Chance of rain 50%.
Saturday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 37F. Winds from the West at 5 to 10 mph. Chance of rain 40%.
Sunday
mostlycloudy Overcast. High of 73F. Winds from the WSW at 5 to 10 mph.
Sunday Night
nt_mostlycloudy Mostly cloudy. Low of 41F. Winds less than 5 mph.
Monday
cloudy Overcast with a chance of rain. High of 77F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Monday Night
nt_cloudy Overcast with a chance of a thunderstorm. Fog overnight. Low of 45F. Winds less than 5 mph. Chance of rain 20%.
Tuesday
chancerain Partly cloudy with a chance of rain. High of 81F. Winds from the WSW at 5 to 15 mph. Chance of rain 40%.
Tuesday Night
nt_clear Clear. Low of 46F. Winds from the WNW at 5 to 15 mph.
Wednesday
clear Clear. High of 84F. Winds from the WSW at 5 to 10 mph.
Wednesday Night
nt_partlycloudy Clear. Fog overnight. Low of 45F. Winds from the West at 5 to 15 mph.
Thursday
clear Clear. High of 88F. Winds from the West at 5 to 10 mph.
Thursday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds from the West at 5 to 10 mph. Chance of rain 20%.
Friday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 86F. Winds less than 5 mph. Chance of rain 20%.
Friday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Low of 48F. Winds less than 5 mph. Chance of rain 20%.
Saturday
partlycloudy Clear. High of 86F. Winds less than 5 mph.
Saturday Night
nt_clear Clear. Low of 48F. Winds from the SSW at 5 to 10 mph.
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Nowcast
Severe Thunderstorm Watch 326 in effect until 10 PM MDT this evening...

Boulder Weather Forecast

View Calendar 10-Day Forecast for 59632 Weather Station KMTJEFFE2

Tuesday, 18
Thunderstorm
95 | 48 °F
T-storms
Chance of
Precipitation
50%
Wednesday, 19
Thunderstorm
70 | 39 °F
T-storms
Chance of
Precipitation
70%
Thursday, 20
Chance of a Thunderstorm
63 | 37 °F
Chance of T-storms
Chance of
Precipitation
30%
Friday, 21
Chance of Rain
64 | 41 °F
Chance of Rain
Chance of
Precipitation
20%
Saturday, 22
Chance of a Thunderstorm
70 | 37 °F
Chance of T-storms
Chance of
Precipitation
50%
Sunday, 23
Mostly Cloudy
73 | 41 °F
Mostly Cloudy
Chance of
Precipitation
0%
Monday, 24
Chance of Rain
77 | 45 °F
Chance of Rain
Chance of
Precipitation
20%
Tuesday, 25
Chance of Rain
81 | 46 °F
Chance of Rain
Chance of
Precipitation
40%
Wednesday, 26
Clear
84 | 45 °F
Clear
Chance of
Precipitation
0%
Thursday, 27
Clear
88 | 52 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Tuesday Night
nt_tstorms Partly cloudy with thunderstorms and rain showers, then a chance of a thunderstorm and a chance of rain after midnight. Low of 48F. Winds from the SSW at 5 to 15 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 41 81 | 46 84 | 45 54 | 45
Wind 5 mph South 6 mph SSE 11 mph SE 4 mph SW
Humidity 79% 30% 23% 75%
Chance of Precip. 10% 50% 50% 50%
Cloud Cover 45% 68% 63% 52%
Conditions Partly Cloudy Thunderstorm Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:36 AM
9:22 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.13], Average RMSE [2.14]
The National Weather Service forecast quality is poor. MaxT RMSE [4.06], Average RMSE [2.26] : Use NWS
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Wednesday
tstorms Partly cloudy with a chance of a thunderstorm and a chance of rain, then thunderstorms and rain showers in the afternoon. High of 70F. Winds from the NW at 5 to 10 mph. Chance of rain 70%.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of rain after midnight. Low of 39F. Breezy. Winds from the West at 15 to 20 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 43 63 | 52 64 | 48 48 | 37
Wind 9 mph WNW 5 mph NNW 16 mph West 16 mph WSW
Humidity 77% 68% 54% 66%
Chance of Precip. 50% 70% 70% 50%
Cloud Cover 57% 72% 66% 52%
Conditions Chance of a Thunderstorm Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:36 AM
9:23 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.54], Average RMSE [2.44]
The National Weather Service forecast quality is poor. MaxT RMSE [3.74], Average RMSE [2.41] : Use NWS
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Thursday
chancetstorms Partly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 63F. Breezy. Winds from the WSW at 15 to 20 mph. Chance of rain 30%.
Thursday Night
nt_partlycloudy Mostly cloudy with a chance of a thunderstorm and a chance of rain. Low of 37F. Winds from the West at 5 to 15 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 39 | 34 54 | 34 59 | 36 43 | 34
Wind 15 mph WSW 19 mph WSW 11 mph WSW 4 mph WNW
Humidity 80% 47% 40% 69%
Chance of Precip. 50% 30% 30% 10%
Cloud Cover 52% 70% 74% 70%
Conditions Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm Mostly Cloudy
Sunrise & Sunset
5:36 AM
9:23 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.72], Average RMSE [2.42]
The National Weather Service forecast quality is poor. MaxT RMSE [3.89], Average RMSE [4.26] : Use NWS
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Friday
partlycloudy Mostly cloudy with a chance of rain in the afternoon. High of 64F. Winds less than 5 mph. Chance of rain 20%.
Friday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain, then a chance of rain after midnight. Low of 41F. Winds from the NW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 39 | 32 57 | 30 57 | 34 45 | 41
Wind 3 mph West 3 mph South 7 mph NW 6 mph NNW
Humidity 75% 36% 38% 84%
Chance of Precip. 10% 10% 20% 30%
Cloud Cover 84% 61% 60% 0%
Conditions Mostly Cloudy Partly Cloudy Chance of Rain Chance of Rain
Sunrise & Sunset
5:36 AM
9:23 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.24], Average RMSE [2.93]
The National Weather Service forecast quality is poor. MaxT RMSE [4.46], Average RMSE [4.70] : Use NWS
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Saturday
chancetstorms Overcast with a chance of a thunderstorm and rain in the afternoon. High of 70F. Winds less than 5 mph. Chance of rain 50%.
Saturday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 37F. Winds from the West at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 41 | 41 61 | 45 57 | 41 45 | 39
Wind 3 mph WNW 5 mph WNW 7 mph WNW 6 mph WSW
Humidity 96% 54% 54% 76%
Chance of Precip. 10% 30% 20% 20%
Cloud Cover 92% 97% 98% 0%
Conditions Overcast Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:36 AM
9:23 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.50], Average RMSE [2.78]
The National Weather Service forecast quality is poor. MaxT RMSE [4.11], Average RMSE [4.88] : Use NWS
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Sunday
mostlycloudy Overcast. High of 73F. Winds from the WSW at 5 to 10 mph.
Sunday Night
nt_mostlycloudy Mostly cloudy. Low of 41F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 39 | 36 64 | 30 57 | 28 48 | 32
Wind 6 mph SW 6 mph WSW 6 mph WNW 3 mph WNW
Humidity 87% 26% 32% 52%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 29% 100% 100% 86%
Conditions Partly Cloudy Overcast Overcast Mostly Cloudy
Sunrise & Sunset
5:37 AM
9:23 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.83], Average RMSE [3.54]
The National Weather Service forecast quality is poor. MaxT RMSE [4.57], Average RMSE [5.17] : Use NWS
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Monday
cloudy Overcast with a chance of rain. High of 77F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Monday Night
nt_cloudy Overcast with a chance of a thunderstorm. Fog overnight. Low of 45F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 43 | 36 72 | 41 77 | 48 54 | 46
Wind 4 mph SSW 7 mph SSW 6 mph WSW 4 mph West
Humidity 79% 32% 35% 76%
Chance of Precip. 0% 10% 20% 10%
Cloud Cover 95% 100% 100% 95%
Conditions Overcast Overcast Chance of Rain Overcast
Sunrise & Sunset
5:37 AM
9:24 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.70], Average RMSE [3.40]
The National Weather Service forecast quality is poor. MaxT RMSE [5.58], Average RMSE [5.31] : Use NWS
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Tuesday
chancerain Partly cloudy with a chance of rain. High of 81F. Winds from the WSW at 5 to 15 mph. Chance of rain 40%.
Tuesday Night
nt_clear Clear. Low of 46F. Winds from the WNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 45 72 | 48 73 | 45 55 | 46
Wind 5 mph WSW 10 mph West 12 mph WNW 4 mph WNW
Humidity 100% 43% 37% 70%
Chance of Precip. 10% 20% 10% 10%
Cloud Cover 81% 24% 46% 9%
Conditions Fog Chance of Rain Partly Cloudy Clear
Sunrise & Sunset
5:37 AM
9:24 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.16], Average RMSE [3.05]
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Wednesday
clear Clear. High of 84F. Winds from the WSW at 5 to 10 mph.
Wednesday Night
nt_partlycloudy Clear. Fog overnight. Low of 45F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 45 68 | 46 75 | 46 55 | 46
Wind 4 mph WSW 8 mph WSW 10 mph West 3 mph West
Humidity 95% 43% 33% 69%
Chance of Precip. 0% 10% 0% 0%
Cloud Cover 0% 1% 3% 2%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:38 AM
9:24 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.12], Average RMSE [2.85]
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Thursday
clear Clear. High of 88F. Winds from the West at 5 to 10 mph.
Thursday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds from the West at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 45 75 | 50 79 | 54 57 | 55
Wind 4 mph WSW 6 mph West 8 mph WNW 3 mph WNW
Humidity 100% 40% 42% 92%
Chance of Precip. 10% 10% 20% 20%
Cloud Cover 2% 8% 25% 28%
Conditions Fog Clear Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:38 AM
9:24 PM
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 86F. Winds less than 5 mph. Chance of rain 20%.
Friday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Low of 48F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 52 75 | 50 79 | 45 57 | 48
Wind 4 mph West 5 mph West 7 mph WNW 2 mph West
Humidity 100% 39% 30% 72%
Chance of Precip. 20% 20% 20% 20%
Cloud Cover 42% 40% 38% 43%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
Sun does not rise
Source: BestForecast at 2:39 PM MDT on June 18, 2013
Descriptive Forecast
Saturday
partlycloudy Clear. High of 86F. Winds less than 5 mph.
Saturday Night
nt_clear Clear. Low of 48F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 48 77 | 46 79 | 43 73 | 45
Wind 4 mph WSW 5 mph West 6 mph WNW 5 mph South
Humidity 100% 34% 27% 36%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 48% % % %
Conditions Fog Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Weather History & Almanac
June 18, 2013 Max Temp Min Temp
Normal (KBTM) 71 °F 42 °F
Record (KBTM) 92 °F (1974) 27 °F (1954)
Yesterday 81 °F 46 °F
Yesterday's Heating Degree Days: 1
Weather History for Boulder, MT
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Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Astronomy
Jun. 18, 2013 Rise Set
Actual Time 5:36 AM MDT 9:22 PM MDT
Civil Twilight 4:57 AM MDT 10:01 PM MDT
Nautical Twilight 4:04 AM MDT 10:54 PM MDT
Astronomical Twilight 2:50 AM MDT 12:08 AM MDT
Moon 3:59 PM MDT 2:01 AM MDT
Length Of Visible Light 17h 04m
Length of Day
15h 46m
Tomorrow will be 0m 8s longer.
Waxing Gibbous, 73% of the Moon is Illuminated
Today
Waxing Gibbous
Jun 23
Full
Jun 29
Last Quarter
Jul 8
New
Jul 15
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
87 °F
Miles City
86 °F
Havre
84 °F
Butte
84 °F
Lewistown
84 °F
Jordan
32 °F
West Yellowstone
46 °F
Butte
48 °F
Dillon
48 °F
Sidney-Richland
48 °F
Glendive
Record Extremes
Snow Depth
Station Depth Elevation
Peterson Meadows 0 in 7200 ft
Copper Camp 0 in 6950 ft
Lone Mountain 1 in 8880 ft
Stringer Creek 0 in 6550 ft
Lubrecht Flume 0 in 4680 ft
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Butte 80 °F Mostly Cloudy 3:53 PM MDT
Helena 83 °F Clear 3:53 PM MDT
Bozeman 83 °F Clear 3:56 PM MDT
Drummond This station is not reporting.
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Flight To ETA Status
SKW4468
Salt Lake City, UT 		KHLN 04:29PM On Time
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Type Condition
Flight Rule: VFR (KBTM)
Wind Speed: 11.0 kts.
Wind Dir: 110° (ESE)
Ceiling: 11000 ft

METAR KBTM 182153Z AUTO 10011G21KT 10SM BKN110 27/02 A2981 RMK AO2 PK WND 15026/2054 LTG DSNT W SLP037 T02670022

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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Sports
Event Date Forecast
Rays vs. Red Sox 1:05 PM EDT on June 18, 2013 Chance of a Thunderstorm, 72 °F
Mets vs. Braves 1:10 PM EDT on June 18, 2013 Thunderstorm, 81 °F
Event Date Forecast
Almería vs. Girona 8:00 PM CEST on June 19, 2013 Scattered Clouds, High 82° F/ 28° C
Houston vs. Montreal 8:00 PM EDT on June 19, 2013 Forecast not available.
Event Date Forecast
Toyota/Save Mart 350 12:19 PM PDT on June 23, 2013 Clear, 68 °F
Quaker State 400 7:45 PM EDT on June 29, 2013 Average High 84° F/ 28° C
Event Date Forecast
Travelers Championship 8:30 AM EDT on June 20, 2013 Clear, 58 °F
Travelers Championship 8:30 AM EDT on June 21, 2013 Clear, 61 °F
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59632 Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Jefferson City, Jefferson City, MT 85.8 °F 83 °F 47 °F 26% ESE  at  0.0 mph 0.00 in / hr 4640 ft 4:10 PM MDT Normal
Forest Park Estates, Clancy, MT 84.7 °F - - - WNW  at  0.0 mph 0.00 in / hr 4495 ft 4:10 PM MDT Rapid Fire  
RAWS WHITEHALL MT, Whitehall, MT 88 °F 85 °F 47 °F 24% East  at  8 mph 0.00 in / hr 4359 ft 3:15 PM MDT MADIS
Saddle Mountain, Montana City, MT 80.7 °F 80 °F 50 °F 34% NE  at  0.0 mph 0.00 in / hr 4760 ft 4:10 PM MDT Rapid Fire
McClellan Creek Road, Montana City, MT 81.5 °F 79 °F 17 °F 9% SSW  at  4.9 mph 0.00 in / hr 4780 ft 4:10 PM MDT Rapid Fire  
MesoWest Boulder Hill I-15 MP 170.9 , Jefferson City, MT 81 °F 79 °F 34 °F 18% North  at  6 mph 0.00 in / hr 6250 ft 3:21 PM MDT MADIS
RAWS GALENA MT, Boulder, MT 78 °F 78 °F 36 °F 22% East  at  12 mph 0.00 in / hr 6859 ft 2:47 PM MDT MADIS
RAWS ELKHORN MT, Winston, MT 79 °F 78 °F 36 °F 21% SE  at  8 mph 0.00 in / hr 6010 ft 2:54 PM MDT MADIS
MesoWest FROHNER MEADOW , Helena, MT 74 °F 72 °F - - North  at  - 0.00 in / hr 6479 ft 3:00 PM MDT MADIS
MesoWest TIZER BASIN , Winston, MT 77 °F 75 °F - - North  at  - 0.00 in / hr 6839 ft 3:00 PM MDT MADIS
MesoWest ROCKER PEAK , Basin, MT 66 °F - - - North  at  - 0.00 in / hr 8000 ft 2:00 PM MDT MADIS
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Severe Thunderstorm Watch
Mobile & Email Alerts Statement as of 4:03 PM MDT on June 18, 2013

Severe Thunderstorm Watch 326 remains in effect until 1000 PM MDT
for the following locations


Mt
. Montana counties included are

Broadwater Cascade Chouteau
Deer Lodge Flathead Glacier
Granite Hill Jefferson
Judith Basin Lake Lewis and Clark
Liberty Meagher Missoula
Pondera Powell Ravalli
Teton Toole