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

Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Light Snow Fog/Mist

22°F

-6°C

Humidity 92%
Wind Speed NE 13 mph
Barometer 29.87 in (1016.1 mb)
Dewpoint 20°F (-7°C)
Visibility 1.75 mi
Wind Chill10°F (-12°C)
Last update 10 Mar 7:53 pm MDT
Extended Forecast for

3 Miles SSE Custer County Airport SD

  • Tonight

    Tonight: Snow, mainly before midnight. Steady temperature around 22. Wind chill values as low as 13. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow then
    Chance Snow

  • Wednesday

    Wednesday: Sunny, with a high near 37. Wind chill values as low as 14. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 30 mph.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. West wind 5 to 8 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Partly sunny, with a high near 57. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: Rain likely before 8pm, then snow likely. Mostly cloudy, with a low around 25. Northwest wind 13 to 18 mph becoming light after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Friday

    Friday: A chance of snow before 4pm, then a chance of rain. Partly sunny, with a high near 50. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 50 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 26. Northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before noon, then rain and snow likely. Mostly cloudy, with a high near 45. Northwest wind 5 to 11 mph becoming south in the morning. Winds could gust as high as 26 mph.

    High: 45 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Snow. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Snow

Detailed Forecast

Tonight
Snow, mainly before midnight. Steady temperature around 22. Wind chill values as low as 13. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Sunny, with a high near 37. Wind chill values as low as 14. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 24. West wind 5 to 8 mph, with gusts as high as 25 mph.
Thursday
A 20 percent chance of rain after noon. Partly sunny, with a high near 57. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 46 mph.
Thursday Night
Rain likely before 8pm, then snow likely. Mostly cloudy, with a low around 25. Northwest wind 13 to 18 mph becoming light after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 4pm, then a chance of rain. Partly sunny, with a high near 50. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26. Northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Saturday
A chance of snow before noon, then rain and snow likely. Mostly cloudy, with a high near 45. Northwest wind 5 to 11 mph becoming south in the morning. Winds could gust as high as 26 mph.
Saturday Night
Snow. Mostly cloudy, with a low around 11.
Sunday
A chance of snow. Partly sunny, with a high near 26.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 9.
Monday
Mostly cloudy, with a high near 38.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Custer County Airport SD
 43.69°N 103.6°W (Elev. 5400 ft)
Last Update:
5:16 pm MDT Mar 10, 2026
Forecast Valid:
8pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
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