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

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.

Partly Cloudy

27°F

-3°C

Humidity 43%
Wind Speed NW 12 G 30 mph
Barometer 30.21 in (1027.6 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 11 Mar 10:53 am MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Today

    Today: Sunny, with a high near 35. Wind chill values as low as 10. West wind around 14 mph, with gusts as high as 29 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Wind chill values as low as 13. Breezy, with a west wind 13 to 18 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 33 mph.

    Low: 24 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Thursday

    Thursday: A chance of rain and snow before 1pm, then a chance of rain between 1pm and 5pm, then a chance of snow after 5pm. Mostly sunny, with a high near 51. Wind chill values as low as 16 early. Windy, with a west wind 25 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 30%.

    High: 51 °F

    Mostly Sunny
    and Breezy
    then Chance
    Rain/Snow and
    Windy

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 25. Wind chill values as low as 12. Windy, with a northwest wind 21 to 31 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Likely
    and Windy

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 40. Southwest wind around 8 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 24. West wind 7 to 9 mph, with gusts as high as 17 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after noon. Mostly cloudy, with a high near 42. West wind 9 to 13 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%.

    High: 42 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Mostly cloudy, with a low around 12. Northwest wind 10 to 15 mph, with gusts as high as 33 mph.

    Low: 12 °F

    Heavy Snow

  • Sunday

    Sunday: Snow likely. Partly sunny, with a high near 22.

    High: 22 °F

    Snow Likely

Detailed Forecast

Today
Sunny, with a high near 35. Wind chill values as low as 10. West wind around 14 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 24. Wind chill values as low as 13. Breezy, with a west wind 13 to 18 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 33 mph.
Thursday
A chance of rain and snow before 1pm, then a chance of rain between 1pm and 5pm, then a chance of snow after 5pm. Mostly sunny, with a high near 51. Wind chill values as low as 16 early. Windy, with a west wind 25 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 30%.
Thursday Night
Snow likely. Mostly cloudy, with a low around 25. Wind chill values as low as 12. Windy, with a northwest wind 21 to 31 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 40. Southwest wind around 8 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. West wind 7 to 9 mph, with gusts as high as 17 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly after noon. Mostly cloudy, with a high near 42. West wind 9 to 13 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Saturday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 12. Northwest wind 10 to 15 mph, with gusts as high as 33 mph.
Sunday
Snow likely. Partly sunny, with a high near 22.
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 33.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 27.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.87°N 103.52°W (Elev. 6148 ft)
Last Update:
8:57 am MDT Mar 11, 2026
Forecast Valid:
11am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
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