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

Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Partly Cloudy

25°F

-4°C

Humidity 74%
Wind Speed W 10 mph
Barometer 30.17 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 11 Mar 5:35 am MDT
Extended Forecast for

2 Miles SW Lead SD

  • Today

    Today: Sunny, with a high near 35. Wind chill values as low as 5. West wind 6 to 10 mph, with gusts as high as 29 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 27. Wind chill values as low as 16. Southwest wind 8 to 14 mph, with gusts as high as 29 mph.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Rain and snow likely before 1pm, then rain likely between 1pm and 5pm, then snow likely after 5pm. Mostly cloudy, with a high near 52. Wind chill values as low as 18 early. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 52 °F

    Partly Sunny
    then
    Rain/Snow
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Snow. Low around 23. Wind chill values as low as 13. Blustery, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow and
    Blustery

  • Friday

    Friday: Snow. High near 40. West wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Snow

  • Friday Night

    Friday Night: Snow likely. Mostly cloudy, with a low around 25. Northwest wind around 6 mph becoming light and variable. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 25 °F

    Snow Likely

  • Saturday

    Saturday: Snow, mainly after noon. High near 41. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%.

    High: 41 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Mostly cloudy, with a low around 10. Northwest wind 10 to 15 mph, with gusts as high as 32 mph.

    Low: 10 °F

    Heavy Snow

  • Sunday

    Sunday: Snow. Mostly cloudy, with a high near 22.

    High: 22 °F

    Snow

Detailed Forecast

Today
Sunny, with a high near 35. Wind chill values as low as 5. West wind 6 to 10 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a steady temperature around 27. Wind chill values as low as 16. Southwest wind 8 to 14 mph, with gusts as high as 29 mph.
Thursday
Rain and snow likely before 1pm, then rain likely between 1pm and 5pm, then snow likely after 5pm. Mostly cloudy, with a high near 52. Wind chill values as low as 18 early. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Snow. Low around 23. Wind chill values as low as 13. Blustery, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. High near 40. West wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
Snow likely. Mostly cloudy, with a low around 25. Northwest wind around 6 mph becoming light and variable. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday
Snow, mainly after noon. High near 41. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%.
Saturday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 10. Northwest wind 10 to 15 mph, with gusts as high as 32 mph.
Sunday
Snow. Mostly cloudy, with a high near 22.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 11.
Monday
A chance of snow. Mostly cloudy, with a high near 34.
Monday Night
A chance of snow. Mostly cloudy, with a low around 29.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
Last Update:
5:47 am MDT Mar 11, 2026
Forecast Valid:
5am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation