Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

27°F

-3°C

Humidity	74%
Wind Speed	W 5 mph
Barometer	30.08 in
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	21°F (-6°C)
Last update	28 Jan 8:15 pm MST

More Information:

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

Extended Forecast for

4 Miles WSW Lead SD

Winter Weather Advisory January 29, 05:00am until January 30, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 20 °F
Snow Likely
Thursday
High: 26 °F
Snow
Thursday Night
Low: 16 °F
Snow
Friday
High: 19 °F
Snow then
Snow Likely
Friday Night
Low: 16 °F⇑
Chance Snow
Saturday
High: 35 °F
Chance Snow
Saturday Night
Low: 22 °F
Partly Cloudy
Sunday
High: 36 °F
Mostly Sunny
Sunday Night
Low: 24 °F
Mostly Cloudy

Detailed Forecast

Tonight

Snow likely, mainly after 11pm. Cloudy, with a low around 20. Wind chill values as low as 8. West wind 5 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

Thursday

Snow. High near 26. Wind chill values as low as 7. Northwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow. Low around 16. Northwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. Steady temperature around 19. Wind chill values as low as 8. Northwest wind around 6 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday Night

A 30 percent chance of snow. Mostly cloudy, with a temperature rising to around 22 by 5am. Southwest wind 6 to 9 mph, with gusts as high as 17 mph.

Saturday

A 50 percent chance of snow. Mostly cloudy, with a high near 35. West wind 10 to 14 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a low around 22. West wind around 16 mph, with gusts as high as 30 mph.

Sunday

Mostly sunny, with a high near 36. West wind 6 to 13 mph, with gusts as high as 23 mph.

Sunday Night

Mostly cloudy, with a low around 24.

Monday

Partly sunny, with a high near 40.

Monday Night

A slight chance of snow. Mostly cloudy, with a low around 22.

Tuesday

A chance of snow. Mostly cloudy, with a high near 29.