Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

93°F

34°C

Humidity 16%
Wind Speed SSW 5 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 27 Aug 02:53 PM MDT
Extended Forecast for

Basin WY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 93. South southeast wind around 6 mph.

    High: 93 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. South wind 5 to 7 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms, mainly after 3pm.  Sunny, then becoming cloudy during the afternoon, with a high near 87. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 50%.

    High: 87 °F

    Partly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers and thunderstorms.  Cloudy, then gradually becoming partly cloudy, with a low around 58. North northwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 58 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 82. Calm wind becoming north northwest 5 to 7 mph in the morning.  Chance of precipitation is 20%.

    High: 82 °F

    Isolated
    Showers then
    Isolated
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. Calm wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 23 mph.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 93. South southeast wind around 6 mph.
Tonight
Mostly cloudy, with a low around 60. South wind 5 to 7 mph becoming calm in the evening.
Friday
Scattered showers and thunderstorms, mainly after 3pm. Sunny, then becoming cloudy during the afternoon, with a high near 87. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Friday Night
Scattered showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 58. North northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
Isolated showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 82. Calm wind becoming north northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 55. North northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Basin WY
 44.39°N 108.06°W (Elev. 3967 ft)
2:48 pm MDT Aug 27, 2026
3pm MDT Aug 27, 2026-6pm MDT Sep 2, 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