Severe Thunderstorms in the Southeast; Critical Fire Weather in the Northern Plains

Isolated severe storms with locally damaging wind gusts and hail are possible from the coastal Carolinas into the Florida Peninsula, and along the central Gulf Coast. Heavy rain may cause localized areas of flash flooding in the Gulf Coast. Gusty winds and dry conditions may produce elevated to critical fire weather across the northern/central Plains. Record heat is expected in the West. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

50°F

10°C

Humidity 53%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 11 May 05:20 AM MDT
Extended Forecast for

20 Miles NNE Greybull/S Big Horn Airport WY

  • Today

    Today: Mostly sunny, with a high near 66. Breezy, with a south southeast wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 66 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Scattered showers, mainly before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Breezy, with a northeast wind 15 to 20 mph becoming northeast 8 to 13 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 50%.

    Low: 42 °F

    Breezy.
    Scattered
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 61. North northeast wind 5 to 8 mph becoming south southwest in the morning.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. West northwest wind 5 to 11 mph becoming east southeast after midnight.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Breezy, with a south wind 11 to 20 mph, with gusts as high as 33 mph.

    High: 72 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 31 mph.

    Low: 51 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 62. Breezy, with a south wind 11 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 62 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after noon.  Sunny, with a high near 61. Chance of precipitation is 20%.

    High: 61 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 66. Breezy, with a south southeast wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Tonight
Scattered showers, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Breezy, with a northeast wind 15 to 20 mph becoming northeast 8 to 13 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Tuesday
Sunny, with a high near 61. North northeast wind 5 to 8 mph becoming south southwest in the morning.
Tuesday Night
Mostly clear, with a low around 48. West northwest wind 5 to 11 mph becoming east southeast after midnight.
Wednesday
Mostly sunny, with a high near 72. Breezy, with a south wind 11 to 20 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly cloudy, with a low around 51. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 31 mph.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62. Breezy, with a south wind 11 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 44. Breezy.
Friday
A slight chance of showers, with thunderstorms also possible after noon. Sunny, with a high near 61. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 59. Breezy.
Saturday Night
A slight chance of rain and snow showers. Snow level 9500 feet lowering to 8300 feet after midnight . Partly cloudy, with a low around 39. Breezy.
Sunday
A slight chance of snow showers. Some thunder is also possible. Snow level 7700 feet. Mostly sunny, with a high near 51. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NNE Greybull/S Big Horn Airport WY
 44.8°N 107.96°W (Elev. 7539 ft)
5:17 am MDT May 11, 2026
5am MDT May 11, 2026-6pm MDT May 17, 2026
 
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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