Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Mostly Cloudy

9°F

-13°C

Humidity 72%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 19 Feb 9:55 am MST
Extended Forecast for

5 Miles SW Lead SD

  • Today

    Today: A 30 percent chance of snow, mainly before noon.  Cloudy, with a high near 16. Wind chill values between -3 and 5. Southwest wind 6 to 9 mph.

    Chance Snow

    High: 16 °F

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm.  Cloudy, then gradually becoming partly cloudy, with a low around 0. Wind chill values between -5 and -15. Southwest wind 6 to 9 mph.

    Slight Chance
    Snow then
    Mostly Cloudy

    Low: 0 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 21. Wind chill values between -2 and -12. West wind 8 to 11 mph, with gusts as high as 16 mph.

    Mostly Sunny

    High: 21 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 5. Wind chill values between -4 and -11. West wind 9 to 11 mph, with gusts as high as 16 mph.

    Mostly Cloudy

    Low: 5 °F

  • Thursday

    Thursday: A 30 percent chance of snow after 11am.  Mostly cloudy, with a high near 22. West wind 7 to 10 mph.

    Chance Snow

    High: 22 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of snow.  Cloudy, with a low around 3. North wind around 9 mph becoming southeast after midnight.

    Chance Snow

    Low: 3 °F

  • Friday

    Friday: A 30 percent chance of snow, mainly before 11am.  Cloudy, with a high near 19.

    Chance Snow

    High: 19 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 6.

    Mostly Cloudy

    Low: 6 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 26.

    Mostly Sunny

    High: 26 °F

Detailed Forecast

Today
A 30 percent chance of snow, mainly before noon. Cloudy, with a high near 16. Wind chill values between -3 and 5. Southwest wind 6 to 9 mph.
Tonight
A 20 percent chance of snow before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 0. Wind chill values between -5 and -15. Southwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 21. Wind chill values between -2 and -12. West wind 8 to 11 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly cloudy, with a low around 5. Wind chill values between -4 and -11. West wind 9 to 11 mph, with gusts as high as 16 mph.
Thursday
A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 22. West wind 7 to 10 mph.
Thursday Night
A 30 percent chance of snow. Cloudy, with a low around 3. North wind around 9 mph becoming southeast after midnight.
Friday
A 30 percent chance of snow, mainly before 11am. Cloudy, with a high near 19.
Friday Night
Mostly cloudy, with a low around 6.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
A slight chance of snow. Partly sunny, with a high near 23.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 6.
Monday
A slight chance of snow. Mostly cloudy, with a high near 21.
Click Map For Forecast
Point Forecast:
5 Miles SW Lead SD
 44.31°N 103.83°W (Elev. 6398 ft)
8:37 am MST Feb 19, 2019
10am MST Feb 19, 2019-6pm MST Feb 25, 2019
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database