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

64°F

18°C

Humidity 20%
Wind Speed W 9 G 20 mph
Barometer 29.83 in (1006.1 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 30 Mar 11:53 am MDT
Extended Forecast for

2 Miles SW Custer State Park SD

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

    NOW until 8:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain before 3am, then a slight chance of snow.  Mostly cloudy, with a low around 33. Breezy, with a west wind 11 to 20 mph becoming north in the evening. Winds could gust as high as 38 mph.  Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: A 30 percent chance of snow.  Mostly cloudy, with a high near 42. North wind around 10 mph becoming east in the afternoon. Winds could gust as high as 24 mph.

    High: 42 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight.  Cloudy, with a low around 28. Wind chill values as low as 20. Southeast wind around 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow likely.  Cloudy, with a high near 39. Southeast wind 9 to 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 39 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight.  Cloudy, with a low around 27. East wind 5 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow before 2pm, then a chance of rain.  Mostly cloudy, with a high near 48. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    High: 48 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after midnight.  Mostly cloudy, with a low around 30. East wind around 11 mph becoming north after midnight. Winds could gust as high as 28 mph.

    Low: 30 °F

    Rain/Snow
    then Snow
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. West wind 10 to 17 mph, with gusts as high as 30 mph.
Tonight
A slight chance of rain before 3am, then a slight chance of snow. Mostly cloudy, with a low around 33. Breezy, with a west wind 11 to 20 mph becoming north in the evening. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 42. North wind around 10 mph becoming east in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Snow likely, mainly after midnight. Cloudy, with a low around 28. Wind chill values as low as 20. Southeast wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Snow likely. Cloudy, with a high near 39. Southeast wind 9 to 11 mph, with gusts as high as 26 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 27. East wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 48. Southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
Rain and snow, becoming all snow after midnight. Mostly cloudy, with a low around 30. East wind around 11 mph becoming north after midnight. Winds could gust as high as 28 mph.
Friday
Snow. Mostly cloudy, with a high near 39.
Friday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 25.
Saturday
A slight chance of snow. Mostly sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Custer State Park SD
 43.7°N 103.45°W (Elev. 5056 ft)
11:37 am MDT Mar 30, 2026
12pm MDT Mar 30, 2026-6pm MDT Apr 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database