Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

25°F

-4°C

Humidity 86%
Wind Speed NW 6 mph
Barometer 30.13 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 11 Mar 2:55 am MDT
Extended Forecast for

2 Miles SW Lead SD

  • Overnight

    Overnight: Partly cloudy, with a low around 17. Wind chill values as low as 9. West wind 3 to 7 mph. Winds could gust as high as 22 mph.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 35. Wind chill values as low as 7. West wind 8 to 10 mph, with gusts as high as 29 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: 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. 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%.

    Low: 25 °F

    Snow Likely

  • Saturday

    Saturday: Snow, mainly after noon.  Mostly cloudy, with a high near 41. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 41 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times.  Mostly cloudy, with a low around 10.

    Low: 10 °F

    Heavy Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 17. Wind chill values as low as 9. West wind 3 to 7 mph. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 35. Wind chill values as low as 7. West wind 8 to 10 mph, with gusts as high as 29 mph.
Wednesday Night
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. 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%.
Saturday
Snow, mainly after noon. Mostly cloudy, with a high near 41. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 10.
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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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
2:02 am MDT Mar 11, 2026
2am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
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Additional Resources

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