Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

9°F

-13°C

Humidity 46%
Wind Speed Vrbl 6 mph
Barometer 30.16 in (1029.1 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 15 Mar 10:53 pm MDT
Extended Forecast for

10 Miles W Custer County Airport SD

  • Tonight

    Tonight: Mostly clear, with a low around 4. Wind chill values as low as -7. Northwest wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 29. Wind chill values as low as -6. West wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow before 3am, then a chance of rain and snow between 3am and 4am, then a chance of rain after 4am.  Mostly cloudy, with a temperature falling to near 27 by 8pm, then rising to around 35 during the remainder of the night. Wind chill values as low as 20. West wind 5 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Breezy, with a northwest wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 44 mph.

    High: 56 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 41 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. West wind 7 to 15 mph, with gusts as high as 31 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Northwest wind 6 to 14 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. West wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 4. Wind chill values as low as -7. Northwest wind 6 to 8 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 29. Wind chill values as low as -6. West wind 6 to 10 mph, with gusts as high as 21 mph.
Monday Night
A chance of snow before 3am, then a chance of rain and snow between 3am and 4am, then a chance of rain after 4am. Mostly cloudy, with a temperature falling to near 27 by 8pm, then rising to around 35 during the remainder of the night. Wind chill values as low as 20. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 56. Breezy, with a northwest wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 44 mph.
Tuesday Night
Partly cloudy, with a low around 38. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 41 mph.
Wednesday
Mostly sunny, with a high near 64. West wind 7 to 15 mph, with gusts as high as 31 mph.
Wednesday Night
Partly cloudy, with a low around 41. Northwest wind 6 to 14 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 66. West wind 6 to 10 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Custer County Airport SD
 43.75°N 103.81°W (Elev. 6001 ft)
10:02 pm MDT Mar 15, 2026
11pm MDT Mar 15, 2026-6pm MDT Mar 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

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