Atmospheric River in the West; Strong Winds in the Northeast

A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. today into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. today into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

Lat: 44.5174°NLon: 108.0752°WElev: 3934.0ft.

Clear

52°F

11°C

Humidity 57%
Wind Speed E 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 05 Nov 01:05 PM MST
Extended Forecast for

Greybull/S Big Horn Airport WY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 62. East southeast wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 62 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. East wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with an east wind 5 to 10 mph becoming west 17 to 22 mph in the morning. Winds could gust as high as 32 mph.

    High: 60 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Northwest wind 5 to 8 mph becoming southeast after midnight.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 11am.  Partly sunny, with a high near 55. Southeast wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 55 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 11pm.  Partly cloudy, with a low around 25. North northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. North northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 62. East southeast wind 9 to 14 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 37. East wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with an east wind 5 to 10 mph becoming west 17 to 22 mph in the morning. Winds could gust as high as 32 mph.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 5 to 8 mph becoming southeast after midnight.
Friday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 55. Southeast wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 25. North northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 47. North northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 29.
Veterans Day
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
1:01 pm MST Nov 5, 2025
1pm MST Nov 5, 2025-6pm MST Nov 11, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database