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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Snow

27°F

-3°C

Humidity 100%
Wind Speed NE 10 G 16 mph
Barometer 29.95 in
Dewpoint 27°F (-3°C)
Visibility 0.25 mi
Wind Chill18°F (-8°C)
Last update 10 Mar 6:15 pm MDT
Extended Forecast for

Deadwood SD

Winter Weather Advisory March 10, 06:22pm until March 11, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 10, 06:22pm until March 11, 12:00am

    NOW until 12:00am Wed

    Winter Weather Advisory

  • Tonight

    Low: 19 °F

    Snow then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Wind chill values as low as 12. West wind 6 to 14 mph, with gusts as high as 30 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Southwest wind 6 to 9 mph, with gusts as high as 26 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 56. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 56 °F

    Partly Sunny
    then Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain before 7pm, then snow. Low around 24. Northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Rain/Snow
    then Snow
    Likely

  • Friday

    Friday: Snow likely before 3pm, then rain likely between 3pm and 5pm, then snow likely after 5pm. Mostly cloudy, with a high near 45. West wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Snow likely. Mostly cloudy, with a low around 26. North wind around 6 mph becoming west after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 70%.

    Low: 26 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely before noon, then rain and snow. Mostly cloudy, with a high near 40. Northwest wind 6 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph.

    High: 40 °F

    Snow Likely
    then
    Rain/Snow

Detailed Forecast

Tonight
Snow, mainly before midnight. Low around 19. North wind around 6 mph becoming calm. Winds could gust as high as 18 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Mostly sunny, with a high near 37. Wind chill values as low as 12. West wind 6 to 14 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 25. Southwest wind 6 to 9 mph, with gusts as high as 26 mph.
Thursday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 56. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
Rain before 7pm, then snow. Low around 24. Northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Snow likely before 3pm, then rain likely between 3pm and 5pm, then snow likely after 5pm. Mostly cloudy, with a high near 45. West wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely. Mostly cloudy, with a low around 26. North wind around 6 mph becoming west after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Saturday
Snow likely before noon, then rain and snow. Mostly cloudy, with a high near 40. Northwest wind 6 to 10 mph becoming northeast 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 11.
Sunday
Snow likely. Mostly cloudy, with a high near 25.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 12.
Monday
A chance of snow. Mostly cloudy, with a high near 37.
Monday Night
A chance of snow. Mostly cloudy, with a low around 27.
Tuesday
A chance of rain. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deadwood SD
 44.38°N 103.72°W (Elev. 4905 ft)
Last Update:
5:16 pm MDT Mar 10, 2026
Forecast Valid:
6pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation