Yellowstone National Park, WY

10:31 PM MDT on May 23, 2012 (GMT -0600)
Elev: 8251 ft
Lon: 110.4° W
Lat: 44.8° N
Source
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Active Advisory: Special Weather Statement (US Severe Weather)
Tropical Weather: Invest 94 (North Atlantic) Tropical Storm Bud (East Pacific) Typhoon Sanvu (Western Pacific)
Weather Summary
Jessica Parker
Weather Underground midday recap for Wednesday, May 23, 2012.

Unsettled weather formed across the Northwest and Upper Midwest on Wednesday as a trough of low pressure settled over the northwestern quadrant of the nation. Moisture streaming across the region continued to support areas of light to moderate rain showers from the Pacific Northwest through the Northern Rockies with chances of snow in the higher elevations of the Northern Rockies. Meanwhile, a cold front from the West moved across the Upper Midwest, Central Plains, and Central High Plains this afternoon and brought rain and thunderstorms to areas of Minnesota and the Dakotas. The Storm Prediction Center issued a slight risk of severe weather development statement for areas from the Upper Midwest and Central Plains into northeastern Colorado through the afternoon and evening. While the main concerns with these storms were damaging wind gusts and very large hail, a couple of isolated tornadoes were also possible.

In the Southwest, fire weather danger remained high across the Southwest as above normal temperatures, single digit relative humidity levels, and windy weather conditions persisted in many areas.

In the East, a few showers continued across the Northeast and the Mid-Atlantic during the afternoon as a frontal system lingered across the Eastern Seaboard. Meanwhile, heavy rain and strong thunderstorms with gusty winds persisted across the southern tip of Florida. Saturated grounds from the heavy rainfall that occurred yesterday combined with today\'s rainfall resulted in Flood Watches in Miami-Dade County. Additional rainfall accumulations were expected to range from 1 to 2 inches through tonight with locally higher amounts possible in more concentrated bands of rain.
Weather Underground midday recap for Wednesday, May 23, 2012.

Unsettled weather formed across the Northwest and Upper Midwest on Wednesday as a trough of low pressure settled over the northwestern quadrant of the nation. Moisture streaming across the region continued to support areas of light to moderate rain showers from the Pacific Northwest through the Northern Rockies with chances of snow in the higher elevations of the Northern Rockies. Meanwhile, a cold front from the West moved across the Upper Midwest, Central Plains, and Central High Plains this afternoon and brought rain and thunderstorms to areas of Minnesota and the Dakotas. The Storm Prediction Center issued a slight risk of severe weather development statement for areas from the Upper Midwest and Central Plains into northeastern Colorado through the afternoon and evening. While the main concerns with these storms were damaging wind gusts and very large hail, a couple of isolated tornadoes were also possible.

In the Southwest, fire weather danger remained high across the Southwest as above normal temperatures, single digit relative humidity levels, and windy weather conditions persisted in many areas.

In the East, a few showers continued across the Northeast and the Mid-Atlantic during the afternoon as a frontal system lingered across the Eastern Seaboard. Meanwhile, heavy rain and strong thunderstorms with gusty winds persisted across the southern tip of Florida. Saturated grounds from the heavy rainfall that occurred yesterday combined with today\'s rainfall resulted in Flood Watches in Miami-Dade County. Additional rainfall accumulations were expected to range from 1 to 2 inches through tonight with locally higher amounts possible in more concentrated bands of rain.
Weather Underground Broadcast Network

Yellowstone National Park Weather at a Glance

Updated 10:10 PM MDT
Weather Station
West Yellowstone (KWYS)
Elevation
6650 ft
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Now
Overcast
Overcast
Temperature
36 °F
Feels Like 33 °F
Wind(mph)
4
Sunrise / Set
5:44 AM
8:52 PM
Moon
Waxing Crescent
Tonight
Chance of Snow 28 °F
Chance of Snow
50% chance of precipitation
Tomorrow
Snow Showers 45 °F
Snow Showers
70% chance of precipitation
Tomorrow Night
Chance of Snow 27 °F
Chance of Snow
40% chance of precipitation
Friday
Rain 48 | 32 °F
Rain
70% chance of precipitation
Saturday
Rain 48 | 28 °F
Rain
100% chance of precipitation
Sunday
Chance of Snow 41 | 27 °F
Chance of Snow
60% chance of precipitation
Tomorrow is forecast to be nearly the same temperature as today.
Conditions
Pressure
29.79 in
Visibility
10.0 miles
Clouds
Scattered Clouds 5000 ft
Mostly Cloudy 7000 ft
Overcast 7500 ft
Moisture
Humidity
87%
Rainfall
0.03 in
Snow Depth
Not available.
METAR
METAR KWYS 240410Z AUTO 21003KT 10SM SCT050 BKN070 OVC075 02/00 A2979 RMK AO2
Don't speak METAR? Read our FAQ.
Weather Radio
Weather Radio Index
Temperature
Windchill
33 °F
Dew Point
32 °F
Wind
Speed / Dir
4 mph from SSW
Wind Gust
Health
UV
0 out of 16
Pollen
7.30 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Wednesday Night
nt_chancesnow Mostly cloudy with rain in the evening, then overcast with a chance of snow. Low of 28F. Winds from the NW at 5 to 10 mph. Chance of precipitation 50% .
Thursday
snow Mostly cloudy with snow showers and rain showers, then rain showers in the afternoon. High of 45F. Winds less than 5 mph. Chance of precipitation 70% .
Thursday Night
nt_chancesnow Mostly cloudy with rain, then a chance of snow after midnight. Low of 27F. Winds less than 5 mph. Chance of precipitation 40% .
Friday
rain Mostly cloudy with snow showers and rain showers in the morning, then overcast with snow showers and rain showers. High of 48F. Winds from the ENE at 5 to 15 mph. Chance of snow 70%.
Friday Night
nt_snow Mostly cloudy with snow and rain in the evening, then overcast with snow and rain. Low of 32F. Winds from the NE at 5 to 10 mph. Chance of snow 80% with accumulations up to 2 in. possible.
Saturday
rain Overcast with snow and rain. High of 48F. Winds less than 5 mph. Chance of snow 100%.
Saturday Night
nt_chancesnow Overcast with a chance of snow and rain, then a chance of snow and rain showers after midnight. Low of 28F. Winds less than 5 mph. Chance of snow 50% with accumulations up to 1 in. possible.
Sunday
chancesnow Overcast with a chance of snow and a chance of rain, then a chance of a thunderstorm and rain in the afternoon. High of 41F. Winds from the West at 5 to 10 mph. Chance of precipitation 60% .
Sunday Night
nt_chancerain Overcast with a chance of rain in the evening, then partly cloudy. Fog overnight. Low of 27F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Monday
chancerain Partly cloudy in the morning, then mostly cloudy with a chance of rain. Fog early. High of 55F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Monday Night
nt_partlycloudy Partly cloudy. Low of 30F. Winds from the SSW at 5 to 10 mph.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 63F. Winds from the SSW at 5 to 15 mph. Chance of rain 20%.
Tuesday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 28F. Winds from the WSW at 5 to 10 mph shifting to the NW after midnight. Chance of rain 20%.
Wednesday
mostlycloudy Partly cloudy. High of 61F. Winds less than 5 mph.
Wednesday Night
nt_chancerain Mostly cloudy with a chance of rain. Low of 32F. Winds less than 5 mph. Chance of rain 20%.
Thursday
partlycloudy Partly cloudy. High of 66F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 34F. Winds less than 5 mph.
Friday
partlycloudy Partly cloudy. High of 73F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 41F. Winds less than 5 mph.
Saturday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 63F. Winds less than 5 mph. Chance of rain 20%.
Saturday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 41F. Winds less than 5 mph. Chance of rain 30%.
Sunday
clear Clear. High of 59F. Winds from the SW at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 41F. Winds less than 5 mph.
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Forecast

View Calendar 10-Day Forecast for station KWYS

Thursday, 24
Snow Showers
45 | 27 °F
Snow Showers
Chance of
Precipitation
70%
Friday, 25
Rain
48 | 32 °F
Rain
Chance of
Precipitation
70%
Saturday, 26
Rain
48 | 28 °F
Rain
Chance of
Precipitation
100%
Sunday, 27
Chance of Snow
41 | 27 °F
Chance of Snow
Chance of
Precipitation
60%
Monday, 28
Chance of Rain
55 | 30 °F
Chance of Rain
Chance of
Precipitation
40%
Tuesday, 29
Chance of a Thunderstorm
63 | 28 °F
Chance of T-storms
Chance of
Precipitation
20%
Wednesday, 30
Mostly Cloudy
61 | 32 °F
Mostly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Partly Cloudy
66 | 34 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 1
Partly Cloudy
73 | 41 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 2
Chance of a Thunderstorm
63 | 41 °F
Chance of T-storms
Chance of
Precipitation
20%
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Thursday
snow Mostly cloudy with snow showers and rain showers, then rain showers in the afternoon. High of 45F. Winds less than 5 mph. Chance of precipitation 70% .
Thursday Night
nt_chancesnow Mostly cloudy with rain, then a chance of snow after midnight. Low of 27F. Winds less than 5 mph. Chance of precipitation 40% .
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 28 | 25 39 | 36 45 | 41 34 | 32
Wind 1 mph WNW 5 mph SW 3 mph WSW 5 mph ENE
Humidity 89% 86% 89% 89%
Chance of Precip. 50% 70% 70% 50%
Cloud Cover 82% 75% 82% 64%
Conditions Snow Showers Rain Showers Rain Chance of Snow
Sunrise & Sunset
5:44 AM
8:52 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.34], Average RMSE [2.41]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.50], Average RMSE [2.30] : Use NWS
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Friday
rain Mostly cloudy with snow showers and rain showers in the morning, then overcast with snow showers and rain showers. High of 48F. Winds from the ENE at 5 to 15 mph. Chance of snow 70%.
Friday Night
nt_snow Mostly cloudy with snow and rain in the evening, then overcast with snow and rain. Low of 32F. Winds from the NE at 5 to 10 mph. Chance of snow 80% with accumulations up to 2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 30 | 25 34 | 30 39 | 37 39 | 39
Wind 7 mph ENE 9 mph East 8 mph NE 8 mph NE
Humidity 81% 85% 97% 100%
Chance of Precip. 40% 70% 70% 80%
Cloud Cover 79% 100% 77% 100%
Conditions Snow Showers Snow Showers Rain Rain
Sunrise & Sunset
5:43 AM
8:53 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.49], Average RMSE [2.02]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.49], Average RMSE [2.13] : Use NWS
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Saturday
rain Overcast with snow and rain. High of 48F. Winds less than 5 mph. Chance of snow 100%.
Saturday Night
nt_chancesnow Overcast with a chance of snow and rain, then a chance of snow and rain showers after midnight. Low of 28F. Winds less than 5 mph. Chance of snow 50% with accumulations up to 1 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 32 34 | 34 36 | 36 32 | 30
Wind 7 mph ENE 2 mph East 4 mph ENE 2 mph South
Humidity 100% 100% 100% 91%
Chance of Precip. 80% 90% 100% 20%
Cloud Cover 92% 100% 89% 99%
Conditions Snow Snow Rain Chance of Snow
Sunrise & Sunset
5:43 AM
8:54 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.11], Average RMSE [2.25]
The National Weather Service forecast quality is good. MaxT RMSE [1.58], Average RMSE [2.44] : Use NWS
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Sunday
chancesnow Overcast with a chance of snow and a chance of rain, then a chance of a thunderstorm and rain in the afternoon. High of 41F. Winds from the West at 5 to 10 mph. Chance of precipitation 60% .
Sunday Night
nt_chancerain Overcast with a chance of rain in the evening, then partly cloudy. Fog overnight. Low of 27F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 32 37 | 37 39 | 39 36 | 32
Wind 4 mph WNW 6 mph WSW 7 mph West 4 mph SSW
Humidity 100% 96% 100% 91%
Chance of Precip. 20% 30% 30% 10%
Cloud Cover 75% 98% 96% 35%
Conditions Chance of Snow Chance of Rain Chance of Rain Fog
Sunrise & Sunset
5:42 AM
8:55 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.56], Average RMSE [2.29]
The National Weather Service forecast quality is fair. MaxT RMSE [2.85], Average RMSE [3.22] : Use NWS
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Monday
chancerain Partly cloudy in the morning, then mostly cloudy with a chance of rain. Fog early. High of 55F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Monday Night
nt_partlycloudy Partly cloudy. Low of 30F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 27 | 27 46 | 43 55 | 54 36 | 32
Wind 4 mph SSE 8 mph SSW 9 mph SW 5 mph South
Humidity 100% 91% 89% 84%
Chance of Precip. 10% 20% 20% 10%
Cloud Cover 12% 38% 46% 56%
Conditions Fog Chance of Rain Chance of Rain Partly Cloudy
Sunrise & Sunset
5:41 AM
8:56 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.52], Average RMSE [2.84]
The National Weather Service forecast quality is poor. MaxT RMSE [3.58], Average RMSE [3.90] : Use NWS
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 63F. Winds from the SSW at 5 to 15 mph. Chance of rain 20%.
Tuesday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 28F. Winds from the WSW at 5 to 10 mph shifting to the NW after midnight. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 30 54 | 50 61 | 57 41 | 37
Wind 4 mph SSE 12 mph SW 9 mph WSW 2 mph WSW
Humidity 96% 85% 87% 87%
Chance of Precip. 0% 10% 20% 10%
Cloud Cover 20% 20% 82% 90%
Conditions Clear Clear Chance of a Thunderstorm Overcast
Sunrise & Sunset
5:41 AM
8:56 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.62], Average RMSE [3.21]
The National Weather Service forecast quality is poor. MaxT RMSE [4.32], Average RMSE [4.57] : Use NWS
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Wednesday
mostlycloudy Partly cloudy. High of 61F. Winds less than 5 mph.
Wednesday Night
nt_chancerain Mostly cloudy with a chance of rain. Low of 32F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 30 | 30 55 | 52 57 | 52 43 | 41
Wind 2 mph NE 5 mph West 6 mph West 1 mph NNW
Humidity 95% 84% 84% 92%
Chance of Precip. 10% 0% 20% 10%
Cloud Cover 3% 72% 99% 100%
Conditions Clear Mostly Cloudy Chance of Rain Overcast
Sunrise & Sunset
5:41 AM
8:56 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.55], Average RMSE [4.18]
The National Weather Service forecast quality is poor. MaxT RMSE [4.81], Average RMSE [4.99] : Use NWS
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 66F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 34F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 32 57 | 57 59 | 57 45 | 43
Wind 2 mph SSW 5 mph West 4 mph WNW 1 mph SW
Humidity 94% 100% 92% 97%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 80% 61% 58% 76%
Conditions Mostly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy
Sunrise & Sunset
5:41 AM
8:56 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.17], Average RMSE [4.51]
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 73F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 41F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 36 | 30 61 | 46 63 | 36 43 | 30
Wind 1 mph South 5 mph WSW 5 mph WSW 2 mph South
Humidity 80% 58% 36% 57%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 60% 53% 47% 25%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:41 AM
8:56 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.16], Average RMSE [5.42]
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Saturday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 63F. Winds less than 5 mph. Chance of rain 20%.
Saturday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 41F. Winds less than 5 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 41 | 36 63 | 48 63 | 37 45 | 32
Wind 3 mph SSE 6 mph SW 6 mph WSW 3 mph SSW
Humidity 79% 58% 38% 63%
Chance of Precip. 0% 20% 20% 30%
Cloud Cover 3% 13% 24% 46%
Conditions Clear Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:41 AM
8:56 PM
Source: BestForecast at 7:54 PM MDT on May 23, 2012
Descriptive Forecast
Sunday
clear Clear. High of 59F. Winds from the SW at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 41F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 41 | 37 59 | 45 59 | 27 43 | 27
Wind 3 mph South 8 mph SW 7 mph WSW 2 mph SSW
Humidity 88% 58% 28% 53%
Chance of Precip. 30% 10% 0% 0%
Cloud Cover 67% % % %
Conditions Chance of a Thunderstorm Clear Clear Clear
Sunrise & Sunset
5:41 AM
8:56 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 24, 2012 Max Temp Min Temp
Normal (KP60) 51 °F 27 °F
Record (KP60) 69 °F (2001) 25 °F (2007)
Yesterday 64 °F 36 °F
Choose a date
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
May. 23, 2012 Rise Set
Actual Time 5:44 AM MDT 8:52 PM MDT
Civil Twilight 5:09 AM MDT 9:28 PM MDT
Nautical Twilight 4:24 AM MDT 10:13 PM MDT
Astronomical Twilight 3:29 AM MDT 11:09 PM MDT
Moon 7:50 AM MDT (5/23) 11:16 PM MDT (5/23)
Length Of Visible Light 16h 18m
Length of Day
15h 08m
Tomorrow will be 1m 49s longer.
Waxing Crescent, 9% of the Moon is Illuminated
Today
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Visit Astronomy
Yesterday's Extremes
State Highs State Lows
72 °F
Torrington
67 °F
Douglas
66 °F
Lander
64 °F
Casper
64 °F
Greybull
30 °F
Yellowstone
32 °F
Pinedale
32 °F
Thermopolis
33 °F
South Pass
33 °F
Big Piney
Record Extremes
Snow Depth
Station Depth Elevation
Sylvan Lake 4 in 8420 ft
Lewis Lake Divide 30 in 7850 ft
Grassy Lake 18 in 7265 ft
Phillips Bench 2 in 8200 ft
Gros Ventre Summit 0 in 8750 ft
Snow Depth Reports — Snow Depth Map
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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Yellowstone 31 °F N/A 9:56 PM MDT
West Yellowstone 36 °F Overcast 10:10 PM MDT
View all Aviation Tools
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
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Type Condition
Flight Rule: VFR (KWYS)
Wind Speed: 3.0 kts.
Wind Dir: 210° (SSW)
Ceiling: 7000 ft

METAR KWYS 240410Z AUTO 21003KT 10SM SCT050 BKN070 OVC075 02/00 A2979 RMK AO2

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Sports
Event Date Forecast
Tigers vs. Indians 7:05 PM EDT on May 23, 2012 Clear, 67 °F
Royals vs. Yankees 7:05 PM EDT on May 23, 2012 Chance of a Thunderstorm, 68 °F
Event Date Forecast
Chivas USA vs. New York 7:00 PM EDT on May 23, 2012 Chance of a Thunderstorm, 70 °F
FC Dallas vs. Chicago 1:30 AM BST on May 24, 2012 Clear, High 73° F/ 23° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Partly Cloudy, 81 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2012 Mostly Cloudy, 72 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 25, 2012 Mostly Cloudy, 72 °F
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
MesoWest CANYON , Yellowstone National Park, WY 34 °F 34 °F - - North  at  - 0.00 in / hr 8089 ft 9:00 PM MDT MADIS
RAWS GREBE WY, Yellowstone National Park, WY 30 °F 30 °F 29 °F 96% ESE  at  0 mph 0.00 in / hr 7899 ft 9:49 PM MDT MADIS
RAWS SODA BUTTE MT, Cooke City, MT 29 °F 29 °F 27 °F 94% NNW  at  0 mph 0.00 in / hr 8160 ft 9:17 PM MDT MADIS
MesoWest NORTHEAST ENTRANCE , Cooke City, MT 34 °F 34 °F - - North  at  - 0.00 in / hr 7350 ft 9:00 PM MDT MADIS
HADS SODA BUTTE CREEK AT YELLOWSTONE MT, Cooke City, MT 30 °F 30 °F - - North  at  - 0.00 in / hr 7359 ft 9:45 PM MDT MADIS
HADS TOWER FALLS RANGER STATION AT YE WY, Yellowstone National Park, WY 35 °F 35 °F 33 °F 92% South  at  0 mph 0.00 in / hr 6266 ft 9:15 PM MDT MADIS
HADS MAMMOTH WY, Yellowstone National Park, WY 41 °F 35 °F 27 °F 57% NW  at  9 mph 0.00 in / hr 6299 ft 9:15 PM MDT MADIS
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Special Weather Statement
Mobile & Email Alerts Statement as of 3:25 PM MDT on May 23, 2012

... A major change to colder and unsettled weather through Sunday...

A much cooler air mass will work into the area tonight into much of
Friday. A major storm system may take shape Friday through Saturday
as a large low pressure system strengthens over the Great Basin
leading to the possibility of valley rain and mountain snowfall.

It will remain cool and unsettled in the northern mountains today
and Thursday with periods of light rain at the lowest elevations with
some occasional light snow in the mountains. Expect a cool
day east of The Divide on Thursday with a scattering of showers and
isolated afternoon thunderstorms across most of the area.

By Friday... the potential for a significant storm system may start
to affect areas east of The Divide. Areas of rain may
develop over the northern and central basins with wet snow in the
nearby foothills and mountains... especially from midday on. Some
light to locally moderate snow will continue in Yellowstone National
Park... the absarokas and bighorns. Some heavier snow is possible in
the northwest mountains Friday night and Saturday... especially The
Tetons northward into western Yellowstone Park in areas above 8000 to
8500 feet.

The storm system is then expected to gradually lift northward into
Montana Saturday night and Sunday. Cold Valley rain and mountain
snow will continue across the northern mountains... including
Yellowstone National Park through Saturday. Temperatures will start
to recover on Sunday in the northern mountains but it will still
remain quite unsettled in Yellowstone National Park on Sunday with
light valley rain and higher elevation snow showers.

Memorial Day looks much drier with more seasonable temperatures.

Travellers and those with outdoor plans should monitor the latest
forecasts from the National Weather Service on this expected major
change to colder and unsettled weather. Significant snowfall may
accumulate in the central and northern mountains during this
timeframe. The latest forecast can be found at
www.Weather.Gov/Riverton.