Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

70°F

21°C

Humidity 12%
Wind Speed W 14 G 31 mph
Barometer 29.74 in (1001.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 30 Mar 4:53 pm MDT
Extended Forecast for

6 Miles NW Hill City SD

Red Flag Warning March 30, 05:08pm until March 30, 08:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning March 30, 05:08pm until March 30, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • Tonight

    Low: 25 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow.  Cloudy, with a high near 35. Wind chill values as low as 18. North wind around 6 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.  New snow accumulation of less than one inch possible.

    High: 35 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely.  Mostly cloudy, with a low around 22. Wind chill values as low as 15. South wind 6 to 8 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow likely before 2pm, then snow likely, possibly mixed with rain between 2pm and 4pm, then snow likely after 4pm.  Cloudy, with a high near 38. Wind chill values as low as 16. Southeast wind 6 to 8 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 38 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight.  Cloudy, with a low around 25. East wind around 5 mph becoming calm  in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow before 11am, then a chance of rain and snow between 11am and noon, then rain likely after noon.  Partly sunny, with a high near 46. South wind 3 to 8 mph. Winds could gust as high as 24 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after midnight.  Low around 25. Southeast wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 80%.

    Low: 25 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow.  Mostly cloudy, with a high near 32. West wind 7 to 11 mph becoming north in the morning. Winds could gust as high as 31 mph.

    High: 32 °F

    Snow

Detailed Forecast

Tonight
A slight chance of rain before midnight, then a chance of rain and snow between midnight and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 25. West wind 7 to 16 mph becoming north in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
A 50 percent chance of snow. Cloudy, with a high near 35. Wind chill values as low as 18. North wind around 6 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph. New snow accumulation of less than one inch possible.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 22. Wind chill values as low as 15. South wind 6 to 8 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow likely before 2pm, then snow likely, possibly mixed with rain between 2pm and 4pm, then snow likely after 4pm. Cloudy, with a high near 38. Wind chill values as low as 16. Southeast wind 6 to 8 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday Night
Snow likely, mainly before midnight. Cloudy, with a low around 25. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 11am, then a chance of rain and snow between 11am and noon, then rain likely after noon. Partly sunny, with a high near 46. South wind 3 to 8 mph. Winds could gust as high as 24 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
Rain and snow, becoming all snow after midnight. Low around 25. Southeast wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Friday
Snow. Mostly cloudy, with a high near 32. West wind 7 to 11 mph becoming north in the morning. Winds could gust as high as 31 mph.
Friday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 20.
Saturday
A chance of snow, mainly before noon. Mostly sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Hill City SD
 43.99°N 103.65°W (Elev. 5823 ft)
3:38 pm MDT Mar 30, 2026
5pm MDT Mar 30, 2026-6pm MDT Apr 6, 2026
 
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Additional Resources

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