Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence 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.

Unknown Precip

34°F

1°C

Humidity	93%
Wind Speed	W 16 mph
Barometer	30.15 in
Dewpoint	32°F (0°C)
Visibility	9.00 mi
Wind Chill	24°F (-4°C)
Last update	29 Jan 1:35 pm MST

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

Winter Weather Advisory January 29, 01:51pm until January 30, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 29, 01:51pm until January 30, 05:00pm
NOW until 5:00pm Fri
Winter Weather Advisory
This Afternoon
High: 30 °F
Snow
Tonight
Low: 20 °F
Snow Likely
Friday
High: 27 °F
Snow Likely
then Chance
Snow
Friday Night
Low: 22 °F⇑
Chance Snow
Saturday
High: 38 °F
Snow Likely
then Slight
Chance Snow
Saturday Night
Low: 27 °F
Mostly Clear
Sunday
High: 40 °F
Mostly Sunny
Sunday Night
Low: 26 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Snow. High near 30. Wind chill values as low as 20. Northwest wind 7 to 9 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 3 to 7 inches possible.

Tonight

Snow likely, mainly before 9pm. Mostly cloudy, with a low around 20. Northwest wind 5 to 7 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 27. Wind chill values as low as 14. Northwest wind 3 to 6 mph. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday Night

A 40 percent chance of snow after 11pm. Increasing clouds, with a temperature rising to around 28 by 5am. Wind chill values as low as 13. Southwest wind around 6 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.

Saturday

Snow likely, mainly before 11am. Partly sunny, with a high near 38. West wind 7 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly clear, with a low around 27. West wind around 11 mph, with gusts as high as 31 mph.

Sunday

Mostly sunny, with a high near 40. Northwest wind 5 to 9 mph becoming light west in the afternoon. Winds could gust as high as 25 mph.

Sunday Night

Mostly cloudy, with a low around 26. Southwest wind 3 to 6 mph. Winds could gust as high as 15 mph.

Monday

Partly sunny, with a high near 41.

Monday Night

A slight chance of snow. Partly cloudy, with a low around 26.

Tuesday

A chance of snow. Partly sunny, with a high near 34.