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

21°F

-6°C

Humidity 100%
Wind Speed W 7 mph
Barometer 30.09 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 11 Mar 1:15 am MDT
Extended Forecast for

6 Miles WSW Lead SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 36. Wind chill values as low as 10. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 28 mph.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 21. Southwest wind 3 to 7 mph. Winds could gust as high as 24 mph.

    Low: 21 °F

    Mostly Clear

  • Thursday

    Thursday: Rain likely between noon and 5pm, then snow likely after 5pm.  Mostly cloudy, with a high near 52. Wind chill values as low as 19 early. Southwest wind 8 to 17 mph, with gusts as high as 37 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 52 °F

    Partly Sunny
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Snow.  Low around 20. Northwest wind 12 to 17 mph becoming light  after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow

  • Friday

    Friday: Snow.  High near 42. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 16 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Snow

  • Friday Night

    Friday Night: Snow likely.  Mostly cloudy, with a low around 23. Light west wind.  Chance of precipitation is 70%.

    Low: 23 °F

    Snow Likely

  • Saturday

    Saturday: Snow, mainly after noon.  Mostly cloudy, with a high near 43. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 43 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times.  Mostly cloudy, with a low around 8.

    Low: 8 °F

    Heavy Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 14. Calm wind.
Wednesday
Sunny, with a high near 36. Wind chill values as low as 10. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 21. Southwest wind 3 to 7 mph. Winds could gust as high as 24 mph.
Thursday
Rain likely between noon and 5pm, then snow likely after 5pm. Mostly cloudy, with a high near 52. Wind chill values as low as 19 early. Southwest wind 8 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Snow. Low around 20. Northwest wind 12 to 17 mph becoming light after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. High near 42. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 16 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 23. Light west wind. Chance of precipitation is 70%.
Saturday
Snow, mainly after noon. Mostly cloudy, with a high near 43. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 8.
Sunday
Snow. Mostly cloudy, with a high near 24.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 9.
Monday
A chance of snow. Mostly cloudy, with a high near 36.
Monday Night
A chance of snow. Mostly cloudy, with a low around 27.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Lead SD
 44.33°N 103.89°W (Elev. 5197 ft)
12:32 am MDT Mar 11, 2026
1am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database