Greybull, WY

10:24 PM MDT on May 23, 2012 (GMT -0600)
Elev: 3793 ft
Lon: 108.0° W
Lat: 44.5° 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

Greybull Weather at a Glance

Updated 9:53 PM MDT
Weather Station
Greybull (KGEY)
Elevation
3934 ft
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Now
Scattered Clouds
Scattered Clouds
Temperature
51 °F
Feels Like 51 °F
Wind(mph)
0
Sunrise / Set
5:36 AM
8:42 PM
Moon
Waxing Crescent
Tonight
Rain Showers 39 °F
Rain Showers
30% chance of precipitation
Tomorrow
Thunderstorm 59 °F
T-storms
30% chance of precipitation
Tomorrow Night
Thunderstorm 39 °F
T-storms
20% chance of precipitation
Friday
Thunderstorm 61 | 34 °F
T-storms
50% chance of precipitation
Saturday
Thunderstorm 73 | 45 °F
T-storms
30% chance of precipitation
Sunday
Partly Cloudy 61 | 39 °F
Partly Cloudy
Tomorrow is forecast to be Cooler than today.
Conditions
Pressure
29.66 in
Visibility
10.0 miles
Clouds
Scattered Clouds 9000 ft
Moisture
Humidity
54%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KGEY 240353Z AUTO 00000KT 10SM SCT090 11/02 A2970 RMK AO2 SLP043 T01060017 TSNO
Don't speak METAR? Read our FAQ.
Weather Radio
Weather Radio Index
Temperature
Temperature
51 °F
Dew Point
35 °F
Wind
Speed / Dir
Calm
Wind Gust
Health
UV
0 out of 16
Pollen
6.60 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_rain Mostly cloudy with rain showers in the evening, then partly cloudy with rain showers. Low of 39F. Breezy. Winds from the NNW at 10 to 20 mph. Chance of rain 30%.
Thursday
tstorms Partly cloudy with rain showers, then thunderstorms and a chance of rain in the afternoon. High of 59F. Winds from the NW at 5 to 15 mph. Chance of rain 30%.
Thursday Night
nt_tstorms Partly cloudy with thunderstorms and a chance of rain, then a chance of rain after midnight. Low of 39F. Winds from the NNW at 10 to 15 mph. Chance of rain 20%.
Friday
tstorms Mostly cloudy with a chance of rain, then thunderstorms and a chance of rain in the afternoon. High of 61F. Winds from the NNW at 5 to 10 mph shifting to the West in the afternoon. Chance of rain 50%.
Friday Night
nt_tstorms Mostly cloudy with thunderstorms and a chance of rain in the evening, then partly cloudy with a chance of rain. Low of 34F. Winds from the NNW at 5 to 15 mph. Chance of rain 50%.
Saturday
tstorms Overcast with a chance of rain in the morning, then partly cloudy with thunderstorms and a chance of rain. High of 73F. Winds from the North at 5 to 10 mph. Chance of rain 30%.
Saturday Night
nt_chancerain Mostly cloudy with thunderstorms and a chance of rain in the evening, then partly cloudy. Fog overnight. Low of 45F. Winds from the SE at 5 to 15 mph. Chance of rain 20%.
Sunday
partlycloudy Overcast in the morning, then partly cloudy. Fog early. High of 61F. Winds less than 5 mph.
Sunday Night
nt_partlycloudy Partly cloudy in the evening, then mostly cloudy. Low of 39F. Winds from the SSW at 5 to 10 mph.
Monday
clear Clear in the morning, then partly cloudy. High of 73F. Winds from the SSE at 5 to 15 mph.
Monday Night
nt_clear Clear. Low of 48F. Winds from the SE at 5 to 10 mph.
Tuesday
partlycloudy Partly cloudy. High of 77F. Winds from the SSE at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 46F. Winds from the SE at 10 to 15 mph.
Wednesday
partlycloudy Partly cloudy. High of 75F. Winds from the NNW at 5 to 10 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds from the ENE at 5 to 10 mph shifting to the SE after midnight.
Thursday
partlycloudy Partly cloudy. High of 77F. Winds from the SW at 5 to 10 mph shifting to the NNW in the afternoon.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds less than 5 mph.
Friday
partlycloudy Partly cloudy. High of 81F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds less than 5 mph.
Saturday
clear Clear. High of 72F. Winds less than 5 mph.
Saturday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 54F. Winds less than 5 mph. Chance of rain 30%.
Sunday
clear Clear. High of 70F. Winds less than 5 mph.
Sunday Night
nt_clear Clear. Low of 54F. Winds less than 5 mph.
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Forecast

View Calendar 10-Day Forecast for station KGEY

Thursday, 24
Thunderstorm
59 | 39 °F
T-storms
Chance of
Precipitation
30%
Friday, 25
Thunderstorm
61 | 34 °F
T-storms
Chance of
Precipitation
50%
Saturday, 26
Thunderstorm
73 | 45 °F
T-storms
Chance of
Precipitation
30%
Sunday, 27
Partly Cloudy
61 | 39 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 28
Clear
73 | 48 °F
Clear
Chance of
Precipitation
0%
Tuesday, 29
Partly Cloudy
77 | 46 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 30
Partly Cloudy
75 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Partly Cloudy
77 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 1
Partly Cloudy
81 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 2
Clear
72 | 54 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Thursday
tstorms Partly cloudy with rain showers, then thunderstorms and a chance of rain in the afternoon. High of 59F. Winds from the NW at 5 to 15 mph. Chance of rain 30%.
Thursday Night
nt_tstorms Partly cloudy with thunderstorms and a chance of rain, then a chance of rain after midnight. Low of 39F. Winds from the NNW at 10 to 15 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 39 | 30 55 | 32 57 | 19 50 | 37
Wind 11 mph NW 8 mph NW 11 mph NNW 11 mph NW
Humidity 68% 40% 22% 58%
Chance of Precip. 30% 30% 30% 20%
Cloud Cover 65% 53% 48% 3%
Conditions Rain Showers Thunderstorm Thunderstorm Chance of Rain
Sunrise & Sunset
5:36 AM
8:42 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.24], Average RMSE [1.95]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.22], Average RMSE [2.60] : Use NWS
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Friday
tstorms Mostly cloudy with a chance of rain, then thunderstorms and a chance of rain in the afternoon. High of 61F. Winds from the NNW at 5 to 10 mph shifting to the West in the afternoon. Chance of rain 50%.
Friday Night
nt_tstorms Mostly cloudy with thunderstorms and a chance of rain in the evening, then partly cloudy with a chance of rain. Low of 34F. Winds from the NNW at 5 to 15 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 41 | 36 59 | 34 59 | 39 46 | 36
Wind 7 mph NNW 8 mph NNW 10 mph NNW 9 mph NNW
Humidity 77% 37% 46% 65%
Chance of Precip. 20% 50% 50% 50%
Cloud Cover 71% 46% 65% 67%
Conditions Chance of Rain Thunderstorm Thunderstorm Chance of Rain
Sunrise & Sunset
5:35 AM
8:43 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.75], Average RMSE [2.28]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.27], Average RMSE [2.71] : Use NWS
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Saturday
tstorms Overcast with a chance of rain in the morning, then partly cloudy with thunderstorms and a chance of rain. High of 73F. Winds from the North at 5 to 10 mph. Chance of rain 30%.
Saturday Night
nt_chancerain Mostly cloudy with thunderstorms and a chance of rain in the evening, then partly cloudy. Fog overnight. Low of 45F. Winds from the SE at 5 to 15 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 36 | 30 55 | 34 59 | 16 54 | 39
Wind 8 mph NNW 4 mph NNE 11 mph South 7 mph NNE
Humidity 82% 42% 18% 58%
Chance of Precip. 50% 40% 30% 10%
Cloud Cover 95% 29% 72% 14%
Conditions Chance of Rain Thunderstorm Thunderstorm Fog
Sunrise & Sunset
5:34 AM
8:44 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.22], Average RMSE [2.38]
The National Weather Service forecast quality is good. MaxT RMSE [2.22], Average RMSE [3.70] : Use NWS
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Sunday
partlycloudy Overcast in the morning, then partly cloudy. Fog early. High of 61F. Winds less than 5 mph.
Sunday Night
nt_partlycloudy Partly cloudy in the evening, then mostly cloudy. Low of 39F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 37 55 | 34 57 | 32 48 | 34
Wind 5 mph SE 2 mph SW 4 mph NW 8 mph SSE
Humidity 75% 41% 38% 57%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 6% 48% 64% 10%
Conditions Fog Partly Cloudy Mostly Cloudy Clear
Sunrise & Sunset
5:34 AM
8:45 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.82], Average RMSE [2.48]
The National Weather Service forecast quality is fair. MaxT RMSE [2.89], Average RMSE [4.43] : Use NWS
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Monday
clear Clear in the morning, then partly cloudy. High of 73F. Winds from the SSE at 5 to 15 mph.
Monday Night
nt_clear Clear. Low of 48F. Winds from the SE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 41 | 34 61 | 34 61 | 39 55 | 36
Wind 9 mph SE 7 mph South 7 mph SE 8 mph SE
Humidity 78% 35% 46% 47%
Chance of Precip. 0% 0% 10% 0%
Cloud Cover 0% 1% 16% 4%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:33 AM
8:46 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.26], Average RMSE [4.41]
The National Weather Service forecast quality is fair. MaxT RMSE [3.47], Average RMSE [4.92] : Use NWS
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. High of 77F. Winds from the SSE at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 46F. Winds from the SE at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 39 72 | 39 73 | 37 57 | 37
Wind 9 mph SSE 9 mph SSE 4 mph SE 10 mph SE
Humidity 67% 30% 25% 47%
Chance of Precip. 0% 0% 10% 10%
Cloud Cover 2% 39% 18% 9%
Conditions Clear Partly Cloudy Clear Clear
Sunrise & Sunset
5:33 AM
8:46 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.06], Average RMSE [3.43]
The National Weather Service forecast quality is poor. MaxT RMSE [3.73], Average RMSE [4.84] : Use NWS
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy. High of 75F. Winds from the NNW at 5 to 10 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds from the ENE at 5 to 10 mph shifting to the SE after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 36 68 | 36 72 | 34 59 | 39
Wind 3 mph NNW 7 mph NNW 5 mph NNE 10 mph SSE
Humidity 64% 30% 24% 47%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 10% 49% 29% 75%
Conditions Clear Partly Cloudy Partly Cloudy Mostly Cloudy
Sunrise & Sunset
5:33 AM
8:46 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.58], Average RMSE [5.38]
The National Weather Service forecast quality is poor. MaxT RMSE [3.93], Average RMSE [5.07] : Use NWS
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 77F. Winds from the SW at 5 to 10 mph shifting to the NNW in the afternoon.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 37 70 | 48 73 | 46 61 | 45
Wind 7 mph SE 2 mph NW 7 mph NNE 3 mph ESE
Humidity 64% 46% 38% 57%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 42% 34% 58% 51%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:33 AM
8:46 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.77], Average RMSE [6.03]
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 81F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 43 68 | 50 70 | 41 57 | 37
Wind 1 mph SSW 1 mph SSW 4 mph NE 4 mph SE
Humidity 76% 55% 34% 47%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 71% 64% 56% 34%
Conditions Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:33 AM
8:46 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.07], Average RMSE [6.58]
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Saturday
clear Clear. High of 72F. Winds less than 5 mph.
Saturday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 54F. Winds less than 5 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 41 70 | 46 72 | 36 59 | 43
Wind 3 mph South 3 mph SSW 3 mph NE 3 mph SE
Humidity 60% 43% 26% 54%
Chance of Precip. 0% 10% 10% 30%
Cloud Cover 13% 11% 9% 34%
Conditions Clear Clear Clear Chance of a Thunderstorm
Sunrise & Sunset
5:33 AM
8:46 PM
Source: BestForecast at 7:53 PM MDT on May 23, 2012
Descriptive Forecast
Sunday
clear Clear. High of 70F. Winds less than 5 mph.
Sunday Night
nt_clear Clear. Low of 54F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 48 68 | 55 70 | 46 59 | 46
Wind 2 mph SSW 2 mph SW 3 mph North 2 mph SE
Humidity 82% 63% 43% 61%
Chance of Precip. 30% 10% 0% 0%
Cloud Cover 59% % % %
Conditions Chance of a Thunderstorm Clear Clear Clear
Sunrise & Sunset
5:33 AM
8:46 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 24, 2012 Max Temp Min Temp
Normal (KWRL) 72 °F 43 °F
Record (KWRL) 91 °F (1967) 30 °F (1966)
Yesterday 83 °F 46 °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 5:36 AM MDT 8:42 PM MDT
Civil Twilight 5:01 AM MDT 9:17 PM MDT
Nautical Twilight 4:16 AM MDT 10:02 PM MDT
Astronomical Twilight 3:22 AM MDT 10:56 PM MDT
Moon 7:41 AM MDT (5/23) 11:05 PM MDT (5/23)
Length Of Visible Light 16h 15m
Length of Day
15h 05m
Tomorrow will be 1m 48s 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
Today's Extremes
State Highs State Lows
71 °F
Torrington
67 °F
Douglas
66 °F
Lander
64 °F
Casper
64 °F
Greybull
30 °F
Yellowstone
32 °F
Pinedale
33 °F
Big Piney
35 °F
Laramie
35 °F
Thermopolis
Record Extremes
Snow Depth
Station Depth Elevation
Bald Mountain 42 in 9380 ft
Sucker Creek 1 in 8880 ft
Dome Lake 3 in 8880 ft
Big Goose 4 in 7990 ft
Tie Creek 1 in 6870 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
Greybull 51 °F Scattered Clouds 9:53 PM MDT
Worland 48 °F Clear 9:53 PM MDT
Cody 45 °F Overcast 10:15 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 (KGEY)
Wind Speed: 0.0 kts.
Wind Dir: N/A
Ceiling: Unlimited

METAR KGEY 240353Z AUTO 00000KT 10SM SCT090 11/02 A2970 RMK AO2 SLP043 T01060017 TSNO

View all Reports & Maps
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
APRSWXNET Basin WY , Basin, WY 50 °F - 38 °F 63% SE  at  0 mph 0.00 in / hr 3897 ft 9:53 PM MDT MADIS
APRSWXNET Basin WY, Basin, WY 50 °F - 41 °F 70% ENE  at  0 mph 0.00 in / hr 3884 ft 10:00 PM MDT MADIS
APRSWXNET Otto WY , Otto, WY 48 °F 48 °F 39 °F 72% NNW  at  0 mph 0.00 in / hr 4238 ft 9:49 PM MDT MADIS
MesoWest BALD MTN. , Shell, WY 28 °F 28 °F - - North  at  2 mph 0.00 in / hr 9379 ft 9:00 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.