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.

Overcast

34°F

1°C

Humidity	75%
Wind Speed	NW 10 mph
Barometer	30.22 in
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Wind Chill	26°F (-3°C)
Last update	29 Jan 6:55 pm MST

More Information:

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

Extended Forecast for

9 Miles SW North Spearfish SD

Winter Weather Advisory January 29, 07:03pm until January 30, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 29, 07:03pm until January 30, 05:00pm
NOW until 5:00pm Fri
Winter Weather Advisory
Tonight
Low: 21 °F
Snow Likely
and Patchy
Fog
Friday
High: 30 °F
Chance Snow
and Patchy
Fog
Friday Night
Low: 23 °F⇑
Chance Snow
Saturday
High: 38 °F
Snow Likely
then Slight
Chance Snow
Saturday Night
Low: 26 °F
Mostly Clear
Sunday
High: 40 °F
Mostly Sunny
Sunday Night
Low: 26 °F
Mostly Cloudy
Monday
High: 41 °F
Partly Sunny

Detailed Forecast

Tonight

Snow likely. Patchy fog. Otherwise, mostly cloudy, with a low around 21. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.

Friday

A 50 percent chance of snow. Patchy fog before 8am. Otherwise, cloudy, with a high near 30. Calm wind. New snow accumulation of less than one inch possible.

Friday Night

A 40 percent chance of snow after 11pm. Mostly cloudy, with a temperature rising to around 28 by 5am. Wind chill values as low as 16. Calm wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.

Saturday

Snow likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 38. West wind 8 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly clear, with a low around 26. West wind around 9 mph, with gusts as high as 24 mph.

Sunday

Mostly sunny, with a high near 40. West wind 5 to 7 mph becoming calm in the afternoon. Winds could gust as high as 18 mph.

Sunday Night

Mostly cloudy, with a low around 26. South wind 3 to 5 mph.

Monday

Partly sunny, with a high near 41. Southwest wind 5 to 7 mph becoming northwest in the morning. Winds could gust as high as 20 mph.

Monday Night

A slight chance of snow. Partly cloudy, with a low around 25.

Tuesday

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