GREYBULL, WY 82426 Weather Forecast & Current Conditions
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  82426 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

SOUTH BIG HORN, WY
Current Weather
10:53 AM MDT MAY 13, 2026
Clear
77°F
Feels Like: 77°F
Dewpoint: 36°F
Rel. Hum.: 23%
Visibility: 10 miles
Wind: SE at 7 mph
Pressure: 29.90 inches
Last 72 hours

Local Area Snow Depth

Wyoming Current Weather

Wyoming MOS Forecast Weather


Regional Weather Maps

(Automated weather data from NWS/FAA)
  82426 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

GREYBULL, WY 82426
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny this morning, then becoming partly cloudy. A slight chance of. Breezy with highs around 90. Southeast winds 10 to 15 mph with gusts up to 25 mph, increasing to south 20 to 25 mph with gusts up to 40 mph this afternoon.
TONIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Some thunderstorms may be severe. Breezy with lows around 50. Southwest winds 15 to 25 mph, becoming northwest 15 to 20 mph after midnight. Gusts up to 40 mph. Chance of rain 30 percent.
THURSDAY
Sunny, windy with highs in the mid 70s. West winds 20 to 30 mph with gusts up to 55 mph.
THURSDAY NIGHT
Mostly clear and breezy. Lows in the lower 40s. West winds 20 to 25 mph with gusts up to 45 mph, becoming southwest around 10 mph after midnight.
FRIDAY
Mostly sunny and breezy. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 30 mph, increasing to northwest 20 to 25 mph with gusts up to 40 mph in the afternoon.
FRIDAY NIGHT
Mostly clear and breezy. Lows around 40.
SATURDAY
Partly cloudy. Highs around 70.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of. Windy with lows around 40.
SUNDAY
Mostly cloudy. A chance of rain and snow showers in the morning, then showers likely, a slight chance of thunderstorms and snow showers in the afternoon. Little or no snow accumulation. Windy, cooler with highs in the lower 50s. Chance of precipitation 60 percent.
SUNDAY NIGHT
Rain showers likely. A slight chance of snow showers in the evening, then snow showers likely after midnight. Little or no snow accumulation. Windy with lows in the lower 30s. Chance of precipitation 60 percent.
MONDAY
Mostly cloudy with a chance of rain showers. A chance of snow showers in the morning, then a slight chance of thunderstorms and snow showers in the afternoon. Windy with highs around 50. Chance of precipitation 40 percent.
MONDAY NIGHT
Partly cloudy. Lows in the lower 30s.
TUESDAY
Partly cloudy in the morning, then clearing. A slight chance of. Highs in the lower 60s.

  82426 WEATHER SATELLITE LOOPS
Visible Weather Satellite
GREYBULL, WY 82426
Infrared Weather Satellite
GREYBULL, WY 82426
  82426 WEATHER RADAR LOOP
NEXRAD Weather Radar
GREYBULL, WY 82426
 MOS COMPUTER WEATHER FORECAST

SOUTH BIG HORN, WY 3 hourly weather forecast
weather forecast created  8:00 AM EDT  5/13/2026
Wednesday
13 MAY 2026		 GREYBULL, WY 82426 weather forecast Day 1, 12 hours 12 PM 85° 82° Clear 20%
RAIN
<.01 in		 0% Thunder
( 11% severe)		 SSE   17 18% 37°
High 93° GREYBULL, WY 82426 weather forecast Day 1, 15 hours 3 PM 92° 88° Partly Cloudy S   20 12% 33°
Increasing Clouds

Chance of Rain


Breezy		 GREYBULL, WY 82426 weather forecast Day 1, 18 hours 6 PM 88° 84° Mostly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 9% severe)		 SSW   17 17% 38°
GREYBULL, WY 82426 weather forecast Day 1, 21 hours 9 PM 78° 78° Mostly Cloudy WSW   18 26% 40°
Thursday
14 MAY 2026		 GREYBULL, WY 82426 weather forecast Day 2, 0 hours 12 AM 69° 69° Mostly Cloudy 2%

 0% Thunder
( 1% severe)		 W   12 36% 41°
Low 48° GREYBULL, WY 82426 weather forecast Day 2, 3 hours 3 AM 59° 56° Partly Cloudy NW   16 36% 32°
High 77° GREYBULL, WY 82426 weather forecast Day 2, 6 hours 6 AM 48° 47° Clear 1%

 0% Thunder
( 0% severe)		 W   2 47% 29°

Clear



 GREYBULL, WY 82426 weather forecast Day 2, 9 hours 9 AM 59° 57° Clear W   9 28% 26°
GREYBULL, WY 82426 weather forecast Day 2, 12 hours 12 PM 71° 71° Clear 1%

 0% Thunder
( 2% severe)		 W   17 13% 19°
GREYBULL, WY 82426 weather forecast Day 2, 15 hours 3 PM 75° 75° Clear W   21 12% 20°
GREYBULL, WY 82426 weather forecast Day 2, 18 hours 6 PM 75° 75° Clear 0%

 0% Thunder
( 1% severe)		 W   23 12% 20°
GREYBULL, WY 82426 weather forecast Day 2, 21 hours 9 PM 66° 66° Clear W   10 17% 21°
Friday
15 MAY 2026		 GREYBULL, WY 82426 weather forecast Day 3, 0 hours 12 AM 57° 56° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 NNE   6 25% 22°
Low 42° GREYBULL, WY 82426 weather forecast Day 3, 3 hours 3 AM 49° 48° Partly Cloudy SSE   3 35% 23°
High 77° GREYBULL, WY 82426 weather forecast Day 3, 6 hours 6 AM 43° 42° Clear 0%

 0% Thunder
( 0% severe)		   CALM 44% 23°

Clear



 GREYBULL, WY 82426 weather forecast Day 3, 9 hours 9 AM 56° 56° Clear   CALM 31% 26°
GREYBULL, WY 82426 weather forecast Day 3, 15 hours 12 PM 70° 70° Clear 0%

 0% Thunder
( 6% severe)		 WNW   7 17% 23°
GREYBULL, WY 82426 weather forecast Day 3, 18 hours 3 PM 74° 74° Partly Cloudy WNW   14 13% 20°
GREYBULL, WY 82426 weather forecast Day 3, 21 hours 6 PM 73° 73° Partly Cloudy     NNW   20 14% 21°

SOUTH BIG HORN, WY extended weather forecast
Saturday
16 MAY 2026		 Sunday
17 MAY 2026		 Monday
18 MAY 2026		 Tuesday
19 MAY 2026		 Wednesday
20 MAY 2026
Low 40° Low 47° Low 36° Low 35° Low 45°
High 73° High 57° High 55° High 66° High 72°
GREYBULL, WY 82426 weather forecast Day 4 GREYBULL, WY 82426 weather forecast Day 5 GREYBULL, WY 82426 weather forecast Day 6 GREYBULL, WY 82426 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
6% Rain		 Overcast
59% Rain		 Overcast
58% Rain/Snow		 Overcast
20% Rain		 Overcast
29% Rain
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