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 10 mph
Barometer 29.90 in (1017.0 mb)
Dewpoint 20°F (-7°C)
Visibility 1.50 mi
Wind Chill11°F (-12°C)
Last update 10 Mar 8:53 pm MDT
Extended Forecast for

5 Miles E Custer County Airport SD

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 19. Wind chill values as low as 11. North wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Snow then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 37. Wind chill values as low as 10. West wind 7 to 14 mph, with gusts as high as 30 mph.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Wind chill values as low as 17. West wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Breezy, with a west wind 15 to 25 mph, with gusts as high as 48 mph.

    High: 57 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Rain likely before 7pm, then snow likely. Mostly cloudy, with a low around 25. Blustery, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    Likely and
    Blustery then
    Chance Snow

  • Friday

    Friday: A chance of snow before 5pm, then a chance of rain and snow. Mostly cloudy, with a high near 48. Southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 27. North wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before noon, then rain and snow likely. Mostly cloudy, with a high near 44. Northwest wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 28 mph.

    High: 44 °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 11pm. Low around 19. Wind chill values as low as 11. North wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Sunny, with a high near 37. Wind chill values as low as 10. West wind 7 to 14 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 25. Wind chill values as low as 17. West wind 8 to 14 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 57. Breezy, with a west wind 15 to 25 mph, with gusts as high as 48 mph.
Thursday Night
Rain likely before 7pm, then snow likely. Mostly cloudy, with a low around 25. Blustery, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 5pm, then a chance of rain and snow. Mostly cloudy, with a high near 48. Southwest wind 6 to 9 mph, with gusts 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 27. North wind 6 to 9 mph, with gusts as high as 21 mph.
Saturday
A chance of snow before noon, then rain and snow likely. Mostly cloudy, with a high near 44. Northwest wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Snow. Mostly cloudy, with a low around 11.
Sunday
A chance of snow. Partly sunny, with a high near 25.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 10.
Monday
A slight chance of snow. Mostly cloudy, with a high near 37.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Tuesday
A slight chance of rain and snow. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer County Airport SD
 43.72°N 103.54°W (Elev. 5351 ft)
Last Update:
8:16 pm MDT Mar 10, 2026
Forecast Valid:
9pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
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