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

Severe Storms Possible in the Lower Mississippi Valley; Heavy Mountain Snowfall for Parts of the West

Severe thunderstorms and flash flooding are possible across parts of the southern Plains and Lower Mississippi Valley through tonight. Meanwhile, a developing storm system will spread heavy snow from the Pacific Northwest into the Rockies and northern High Plains by Monday. Damaging winds and critical fire weather conditions will impact parts of the southern Plains and Southwest through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

37°F

3°C

Humidity 48%
Wind Speed W 12 mph
Barometer 29.70 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 2 Apr 5:35 am MDT
Extended Forecast for

Lead SD

Winter Storm Watch April 3, 12:00pm until April 5, 06:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Isolated snow showers. Partly cloudy, with a steady temperature around 34. West wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    Isolated Snow
    Showers

    Low: 34 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 40. Wind chill values as low as 17. Breezy, with a west wind 22 to 29 mph, with gusts as high as 41 mph.

    Mostly Sunny
    and Breezy

    High: 40 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 20. Wind chill values as low as 13. Breezy, with a west wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

    Low: 20 °F

  • Monday

    Monday: Snow likely, mainly after noon. Cloudy, with a high near 33. Wind chill values as low as 19. Light and variable wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Chance Snow
    then Snow
    Likely

    High: 33 °F

  • Monday
    Night

    Monday Night: Snow. The snow could be heavy at times. Low around 14. East wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    Heavy Snow

    Low: 14 °F

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times. Areas of blowing snow after noon. High near 18. North wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

    Heavy Snow
    and Areas
    Blowing Snow

    High: 18 °F

  • Tuesday
    Night

    Tuesday Night: Snow. The snow could be heavy at times. Widespread blowing snow, mainly between 11pm and midnight. Low around 9. Blustery. Chance of precipitation is 80%.

    Heavy Snow
    and Blowing
    Snow

    Low: 9 °F

  • Wednesday

    Wednesday: A chance of snow, mainly before noon. Patchy blowing snow before 4pm. Partly sunny, with a high near 24. Blustery.

    Chance Snow
    and Patchy
    Blowing Snow

    High: 24 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 11.

    Partly Cloudy

    Low: 11 °F

Detailed Forecast

Overnight
Isolated snow showers. Partly cloudy, with a steady temperature around 34. West wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 40. Wind chill values as low as 17. Breezy, with a west wind 22 to 29 mph, with gusts as high as 41 mph.
Sunday Night
Partly cloudy, with a low around 20. Wind chill values as low as 13. Breezy, with a west wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.
Monday
Snow likely, mainly after noon. Cloudy, with a high near 33. Wind chill values as low as 19. Light and variable wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Snow. The snow could be heavy at times. Low around 14. East wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Tuesday
Snow. The snow could be heavy at times. Areas of blowing snow after noon. High near 18. North wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Tuesday Night
Snow. The snow could be heavy at times. Widespread blowing snow, mainly between 11pm and midnight. Low around 9. Blustery. Chance of precipitation is 80%.
Wednesday
A chance of snow, mainly before noon. Patchy blowing snow before 4pm. Partly sunny, with a high near 24. Blustery.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 21.
Friday
Sunny, with a high near 43.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 27.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 46.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
5:08 am MDT Apr 2, 2023
Forecast Valid:
5am MDT Apr 2, 2023-6pm MDT Apr 8, 2023
 
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Additional Resources

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Chance of Precipitation