Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

26°F

-3°C

Humidity 55%
Wind Speed W 10 G 22 mph
Barometer 30.18 in (1026.8 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 11 Mar 9:53 am MDT
Extended Forecast for

3 Miles SSE Custer County Airport SD

  • Today

    Today: Sunny, with a high near 39. Wind chill values as low as 18. West wind 7 to 11 mph, with gusts as high as 29 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. West wind 5 to 10 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Wind chill values as low as 19 early. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 46 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 26. Blustery, with a northwest wind 18 to 23 mph becoming light  after midnight. Winds could gust as high as 41 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely and
    Blustery then
    Snow Likely

  • Friday

    Friday: A chance of snow before 3pm, then a chance of rain.  Mostly cloudy, with a high near 46. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 25. Northwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 18 mph.  New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely before 2pm, then rain likely between 2pm and 5pm, then snow likely after 5pm.  Mostly cloudy, with a high near 48. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 60%.

    High: 48 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times.  Mostly cloudy, with a low around 14. Northwest wind around 11 mph, with gusts as high as 26 mph.

    Low: 14 °F

    Heavy Snow

  • Sunday

    Sunday: A chance of snow.  Mostly sunny, with a high near 29.

    High: 29 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 39. Wind chill values as low as 18. West wind 7 to 11 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 23. West wind 5 to 10 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 57. Wind chill values as low as 19 early. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 46 mph.
Thursday Night
Rain likely before 7pm, then snow likely. Mostly cloudy, with a low around 26. Blustery, with a northwest wind 18 to 23 mph becoming light after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 3pm, then a chance of rain. Mostly cloudy, with a high near 46. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow likely before 2pm, then rain likely between 2pm and 5pm, then snow likely after 5pm. Mostly cloudy, with a high near 48. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Saturday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 14. Northwest wind around 11 mph, with gusts as high as 26 mph.
Sunday
A chance of snow. Mostly sunny, with a high near 29.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 11.
Monday
A chance of snow. Mostly cloudy, with a high near 39.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of rain. Partly sunny, with a high near 60.
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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)
8:57 am MDT Mar 11, 2026
10am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
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