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

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

33°F

1°C

Humidity 45%
Wind Speed N 3 mph
Barometer 30.07 in (1020.2 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 12 Feb 7:53 pm MST
Extended Forecast for

4 Miles ESE Custer County Airport SD

  • Tonight

    Tonight: Mostly clear, with a low around 27. West wind around 6 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. West wind around 5 mph becoming light and variable in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. Northwest wind 3 to 6 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50. Northwest wind around 5 mph becoming light and variable. Winds could gust as high as 15 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. West wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 54. West wind 7 to 10 mph, with gusts as high as 26 mph.

    High: 54 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind around 6 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 55. Southwest wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. West wind around 6 mph.
Friday
Mostly sunny, with a high near 51. West wind around 5 mph becoming light and variable in the afternoon.
Friday Night
Mostly clear, with a low around 30. Northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 50. Northwest wind around 5 mph becoming light and variable. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 32. West wind 5 to 8 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 54. West wind 7 to 10 mph, with gusts as high as 26 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind around 6 mph.
Washington's Birthday
Sunny, with a high near 55. Southwest wind 6 to 13 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A chance of rain after 11am. Partly sunny, with a high near 51. Breezy.
Tuesday Night
A chance of rain and snow. Partly cloudy, with a low around 27.
Wednesday
A chance of snow. Mostly sunny, with a high near 42.
Wednesday Night
A chance of snow. Partly cloudy, with a low around 22.
Thursday
A slight chance of snow. Mostly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Custer County Airport SD
 43.72°N 103.54°W (Elev. 5351 ft)
Last Update:
7:42 pm MST Feb 12, 2026
Forecast Valid:
8pm MST Feb 12, 2026-6pm MST Feb 19, 2026
 
Forecast Discussion
 
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Additional Resources

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