National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Overcast

50°F

10°C

Humidity 46%
Wind Speed NNW 25 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 23 Apr 04:20 AM MDT
Extended Forecast for

Greybull WY

  • Overnight

    Overnight: A 50 percent chance of showers. Cloudy, with a steady temperature around 45. Northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 55. Breezy, with a north northwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 55 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Rain and snow showers before 9pm, then a chance of snow showers. Low around 28. Blustery, with a north northwest wind 15 to 20 mph becoming south southwest 6 to 11 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Blustery.
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly before noon. Some thunder is also possible. Mostly cloudy, with a high near 46. West wind 5 to 14 mph becoming north northwest in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. North northwest wind 9 to 14 mph becoming light northwest after midnight. Winds could gust as high as 23 mph. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 20 percent chance of snow showers before noon. Mostly sunny, with a high near 51. Light and variable wind becoming north around 6 mph in the afternoon.

    High: 51 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. Northwest wind 6 to 8 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow showers before noon, then a chance of rain and snow showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.

    High: 49 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 3am, then a slight chance of snow showers after 3am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a steady temperature around 45. Northwest wind around 11 mph, with gusts as high as 20 mph.
Thursday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 55. Breezy, with a north northwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday Night
Rain and snow showers before 9pm, then a chance of snow showers. Low around 28. Blustery, with a north northwest wind 15 to 20 mph becoming south southwest 6 to 11 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly before noon. Some thunder is also possible. Mostly cloudy, with a high near 46. West wind 5 to 14 mph becoming north northwest in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. North northwest wind 9 to 14 mph becoming light northwest after midnight. Winds could gust as high as 23 mph. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow showers before noon. Mostly sunny, with a high near 51. Light and variable wind becoming north around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 26. Northwest wind 6 to 8 mph.
Sunday
A chance of snow showers before noon, then a chance of rain and snow showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Sunday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 3am, then a slight chance of snow showers after 3am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Monday
A slight chance of snow showers before 9am, then a chance of rain showers. Partly sunny, with a high near 54. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull WY
 44.49°N 108.04°W (Elev. 3973 ft)
Last Update:
2:49 am MDT Apr 23, 2026
Forecast Valid:
4am MDT Apr 23, 2026-6pm MDT Apr 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation