Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

27°F

-3°C

Humidity 78%
Wind Speed NE 7 mph
Barometer 29.84 in (1009.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 10 Mar 2:53 am MDT
Extended Forecast for

4 Miles SW Mount Rushmore SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. Northeast wind around 6 mph.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly after 3pm.  Cloudy, with a high near 36. Wind chill values as low as 17. South wind 5 to 7 mph becoming calm. Winds could gust as high as 22 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Slight Chance
    Snow then
    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow, mainly before 9pm. The snow could be heavy at times.  Low around 18. Wind chill values as low as 8. North wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Heavy Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 34. Wind chill values as low as 7. West wind 9 to 11 mph, with gusts as high as 30 mph.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. West wind 8 to 13 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon.  Partly sunny, with a high near 53. West wind 14 to 18 mph, with gusts as high as 45 mph.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely before 7pm, then snow likely.  Mostly cloudy, with a low around 26. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 41 mph.  Chance of precipitation is 60%.

    Low: 26 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Friday

    Friday: A chance of snow before 4pm, then a chance of rain between 4pm and 5pm, then a chance of snow after 5pm.  Mostly cloudy, with a high near 47. West wind 6 to 8 mph becoming southwest in the morning. Winds could gust as high as 24 mph.

    High: 47 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Northeast wind around 6 mph.
Tuesday
Snow likely, mainly after 3pm. Cloudy, with a high near 36. Wind chill values as low as 17. South wind 5 to 7 mph becoming calm. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow, mainly before 9pm. The snow could be heavy at times. Low around 18. Wind chill values as low as 8. North wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Sunny, with a high near 34. Wind chill values as low as 7. West wind 9 to 11 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 24. West wind 8 to 13 mph, with gusts as high as 30 mph.
Thursday
A 20 percent chance of rain after noon. Partly sunny, with a high near 53. West wind 14 to 18 mph, with gusts as high as 45 mph.
Thursday Night
Rain likely before 7pm, then snow likely. Mostly cloudy, with a low around 26. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 60%.
Friday
A chance of snow before 4pm, then a chance of rain between 4pm and 5pm, then a chance of snow after 5pm. Mostly cloudy, with a high near 47. West wind 6 to 8 mph becoming southwest in the morning. Winds could gust as high as 24 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 31.
Saturday
Snow likely, mainly after noon. Partly sunny, with a high near 46.
Saturday Night
Snow. Mostly cloudy, with a low around 12.
Sunday
A chance of snow. Partly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 11.
Monday
A slight chance of snow. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
2:46 am MDT Mar 10, 2026
3am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
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Additional Resources

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