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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

46°F

8°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Oct 11:00 PM MDT
Extended Forecast for

Basin WY

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 63. Calm wind.

    High: 63 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Calm wind becoming southeast around 5 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. South southeast wind 3 to 7 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Light southeast wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Calm wind.
Sunday
Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 63. Calm wind.
Sunday Night
Mostly clear, with a low around 36. Calm wind becoming southeast around 5 mph after midnight.
Monday
Sunny, with a high near 67. South southeast wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 40. Light southeast wind.
Tuesday
Sunny, with a high near 68. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 73.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 46. Breezy.
Friday
A chance of showers. Partly sunny, with a high near 67.
Friday Night
Showers likely. Mostly cloudy, with a low around 41. Breezy.
Saturday
A chance of showers. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Basin WY
 44.39°N 108.03°W (Elev. 3858 ft)
Last Update:
10:32 pm MDT Oct 17, 2026
Forecast Valid:
11pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation