National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

52°F

11°C

Humidity 35%
Wind Speed Calm
Barometer 29.75 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 30 Mar 6:35 am MDT
Extended Forecast for

3 Miles WSW Lead SD

Red Flag Warning March 30, 12:00pm until March 30, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: A 20 percent chance of rain after noon. Mostly sunny, with a high near 64. West wind 5 to 14 mph, with gusts as high as 30 mph.

    High: 64 °F

    Sunny then
    Slight Chance
    Rain

  • Tonight

    Tonight: A chance of rain before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Increasing clouds, with a low around 23. Wind chill values as low as 14. North wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow. Mostly cloudy, with a high near 34. Wind chill values as low as 12. Northwest wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 25. Wind chill values as low as 14. Southeast wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow likely. Cloudy, with a high near 37. East wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 37 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Likely

  • Thursday

    Thursday: Snow before 2pm, then rain between 2pm and 4pm, then snow after 4pm. High near 45. Southeast wind 9 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 45 °F

    Chance Snow
    then
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow. Mostly cloudy, with a low around 24. Southeast wind around 16 mph becoming west after midnight. Winds could gust as high as 29 mph.

    Low: 24 °F

    Snow

  • Friday

    Friday: Snow. Mostly cloudy, with a high near 30.

    High: 30 °F

    Snow

Detailed Forecast

Today
A 20 percent chance of rain after noon. Mostly sunny, with a high near 64. West wind 5 to 14 mph, with gusts as high as 30 mph.
Tonight
A chance of rain before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Increasing clouds, with a low around 23. Wind chill values as low as 14. North wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Wind chill values as low as 12. Northwest wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 25. Wind chill values as low as 14. Southeast wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Snow likely. Cloudy, with a high near 37. East wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Snow before 2pm, then rain between 2pm and 4pm, then snow after 4pm. High near 45. Southeast wind 9 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Thursday Night
Snow. Mostly cloudy, with a low around 24. Southeast wind around 16 mph becoming west after midnight. Winds could gust as high as 29 mph.
Friday
Snow. Mostly cloudy, with a high near 30.
Friday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 20.
Saturday
A chance of snow. Partly sunny, with a high near 36.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
Last Update:
6:21 am MDT Mar 30, 2026
Forecast Valid:
6am MDT Mar 30, 2026-6pm MDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation