Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

5°F

-15°C

Humidity	66%
Wind Speed	W 7 mph
Barometer	30.20 in
Dewpoint	-4°F (-20°C)
Visibility	10.00 mi
Wind Chill	-7°F (-22°C)
Last update	16 Mar 2:55 am MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles WSW Lead SD

Overnight
Low: 1 °F
Mostly Clear
Monday
High: 26 °F
Mostly Sunny
Monday Night
Low: 23 °F⇑
Chance Snow
then Wintry
Mix Likely
Tuesday
High: 48 °F
Slight Chance
Rain then
Mostly Sunny
Tuesday Night
Low: 36 °F
Partly Cloudy
Wednesday
High: 58 °F
Mostly Sunny
Wednesday Night
Low: 39 °F
Partly Cloudy
Thursday
High: 61 °F
Mostly Sunny
Thursday Night
Low: 45 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 1. Wind chill values as low as -13. West wind around 8 mph, with gusts as high as 15 mph.

Monday

Mostly sunny, with a high near 26. Wind chill values as low as -13. West wind 6 to 8 mph, with gusts as high as 17 mph.

Monday Night

Snow likely, possibly mixed with freezing rain and sleet before 3am, then rain likely, possibly mixed with snow between 3am and 4am, then rain likely after 4am. Cloudy, with a temperature rising to around 34 by 4am. Wind chill values as low as 14. West wind 6 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

Tuesday

A 20 percent chance of rain before noon. Mostly sunny, with a high near 48. West wind around 18 mph, with gusts as high as 39 mph.

Tuesday Night

Partly cloudy, with a low around 36. West wind 14 to 17 mph, with gusts as high as 34 mph.

Wednesday

Mostly sunny, with a high near 58. West wind around 14 mph, with gusts as high as 30 mph.

Wednesday Night

Partly cloudy, with a low around 39. West wind 10 to 14 mph, with gusts as high as 26 mph.

Thursday

Mostly sunny, with a high near 61. West wind 8 to 10 mph, with gusts as high as 25 mph.

Thursday Night

Partly cloudy, with a low around 45.