Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

25°F

-4°C

Humidity 69%
Wind Speed E 5 mph
Barometer 29.95 in (1017.5 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 31 Mar 11:53 pm MDT
Extended Forecast for

4 Miles WNW Custer State Park SD

  • Overnight

    Overnight: A 50 percent chance of snow.  Cloudy, with a temperature rising to around 29 by 4am. Wind chill values as low as 15. Southeast wind around 10 mph, with gusts as high as 16 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Wednesday

    Wednesday: Rain and snow likely before 1pm, then rain likely between 1pm and 3pm, then rain and snow likely after 3pm.  Mostly cloudy, with a high near 40. Wind chill values as low as 19. Southeast wind 8 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 8pm.  Low around 30. East wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: A slight chance of snow before 7am, then a slight chance of rain and snow between 7am and 9am, then rain likely after 9am.  Partly sunny, with a high near 52. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 52 °F

    Slight Chance
    Rain/Snow
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Snow, possibly mixed with rain, becoming all snow after 11pm.  Low around 25. East wind 8 to 10 mph becoming north after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow.  High near 35. North wind 9 to 11 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 22. Northwest wind 8 to 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    Low: 22 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday

    Saturday: A slight chance of snow before noon.  Sunny, with a high near 45. Northwest wind 8 to 11 mph, with gusts as high as 25 mph.

    High: 45 °F

    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
A 50 percent chance of snow. Cloudy, with a temperature rising to around 29 by 4am. Wind chill values as low as 15. Southeast wind around 10 mph, with gusts as high as 16 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Rain and snow likely before 1pm, then rain likely between 1pm and 3pm, then rain and snow likely after 3pm. Mostly cloudy, with a high near 40. Wind chill values as low as 19. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 8pm. Low around 30. East wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow before 7am, then a slight chance of rain and snow between 7am and 9am, then rain likely after 9am. Partly sunny, with a high near 52. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Snow, possibly mixed with rain, becoming all snow after 11pm. Low around 25. East wind 8 to 10 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 35. North wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 22. Northwest wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Saturday
A slight chance of snow before noon. Sunny, with a high near 45. Northwest wind 8 to 11 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Custer State Park SD
 43.74°N 103.48°W (Elev. 5600 ft)
11:52 pm MDT Mar 31, 2026
12am MDT Apr 1, 2026-6pm MDT Apr 7, 2026
 
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Additional Resources

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