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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Overcast

73°F

23°C

Humidity 33%
Wind Speed SW 4 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 Sep 04:20 PM MDT
Extended Forecast for

Basin WY

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Partly sunny, with a high near 76. South southeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 76 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 51. West southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Low around 52. South southwest wind 5 to 10 mph becoming northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 69. Light west northwest wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 45. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 67. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Partly sunny, with a high near 76. South southeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 51. West southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Low around 52. South southwest wind 5 to 10 mph becoming northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 69. Light west northwest wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 45. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Sunday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 67. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Basin WY
 44.39°N 108.06°W (Elev. 3967 ft)
Last Update:
4:18 pm MDT Sep 17, 2026
Forecast Valid:
4pm MDT Sep 17, 2026-6pm MDT Sep 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation