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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

70°F

21°C

Humidity 22%
Wind Speed NNW 25 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 10 Oct 01:15 PM MDT
Extended Forecast for

Basin WY

  • This Afternoon

    This Afternoon: A 40 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 75. West northwest wind 6 to 11 mph becoming light and variable.

    High: 75 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 3am. Increasing clouds, with a low around 43. Breezy, with a light and variable wind becoming northwest 10 to 15 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers, mainly before 4pm. High near 55. Northwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 55 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers before 4am, then a slight chance of showers after 5am. Low around 33. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Showers and
    Breezy

  • Columbus Day

    Columbus Day: A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 53. West northwest wind 9 to 14 mph becoming light northwest. Winds could gust as high as 21 mph.

    High: 53 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Partly sunny, with a high near 56. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 56 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 75. West northwest wind 6 to 11 mph becoming light and variable.
Tonight
A chance of showers and thunderstorms, then showers likely after 3am. Increasing clouds, with a low around 43. Breezy, with a light and variable wind becoming northwest 10 to 15 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, mainly before 4pm. High near 55. Northwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Sunday Night
Showers before 4am, then a slight chance of showers after 5am. Low around 33. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 53. West northwest wind 9 to 14 mph becoming light northwest. Winds could gust as high as 21 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 56. Calm wind becoming north northwest around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 33.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 58.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Basin WY
 44.39°N 108.03°W (Elev. 3858 ft)
Last Update:
12:31 pm MDT Oct 10, 2026
Forecast Valid:
1pm MDT Oct 10, 2026-6pm MDT Oct 16, 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