Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Overcast

63°F

17°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Aug 04:10 AM MDT
Extended Forecast for

Basin WY

  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 80. Light and variable wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm.  Mostly cloudy, with a low around 54. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 79. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 22 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. North wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 21 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. East northeast wind around 6 mph becoming calm  after midnight.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Breezy.

    High: 85 °F

    Sunny then
    Mostly Sunny
    and Breezy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Light and variable wind becoming west around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 54. West southwest wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 79. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 46. North wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 82. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 52. East northeast wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 84. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 85. Breezy.
Wednesday Night
Partly cloudy, with a low around 52. Breezy.
Thursday
Mostly sunny, with a high near 86. Breezy.
Thursday Night
Partly cloudy, with a low around 53. Breezy.
Friday
Sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Basin WY
 44.39°N 108.06°W (Elev. 3967 ft)
4:01 am MDT Aug 29, 2026
4am MDT Aug 29, 2026-6pm MDT Sep 4, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database