Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Light Snow

25°F

-4°C

Humidity	100%
Wind Speed	NE 8 mph
Barometer	30.35 in
Dewpoint	25°F (-4°C)
Visibility	3.00 mi
Wind Chill	16°F (-9°C)
Last update	30 Jan 1:15 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 30, 01:38pm until January 30, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 30, 01:38pm until January 30, 05:00pm
NOW until 5:00pm Fri
Winter Weather Advisory
This Afternoon
High: 28 °F
Chance Snow
Tonight
Low: 18 °F⇑
Slight Chance
Snow
Saturday
High: 37 °F
Snow Likely
then Slight
Chance Snow
Saturday Night
Low: 25 °F
Partly Cloudy
Sunday
High: 40 °F
Mostly Sunny
Sunday Night
Low: 28 °F
Mostly Cloudy
Monday
High: 38 °F
Mostly Sunny
Monday Night
Low: 24 °F
Partly Cloudy

Detailed Forecast

This Afternoon

A 30 percent chance of snow, mainly before 3pm. Mostly cloudy, with a high near 28. Wind chill values as low as 16. West wind around 6 mph, with gusts as high as 17 mph.

Tonight

A 20 percent chance of snow after 11pm. Mostly cloudy, with a temperature falling to near 18 by 11pm, then rising to around 25 during the remainder of the night. Wind chill values as low as 8. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.

Saturday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 37. Wind chill values as low as 17. Northwest wind 10 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a low around 25. Wind chill values as low as 14. West wind 14 to 18 mph, with gusts as high as 32 mph.

Sunday

Mostly sunny, with a high near 40. Northwest wind 6 to 11 mph, with gusts as high as 22 mph.

Sunday Night

Mostly cloudy, with a low around 28. Southwest wind 7 to 9 mph, with gusts as high as 17 mph.

Monday

Mostly sunny, with a high near 38. Northwest wind 10 to 13 mph, with gusts as high as 28 mph.

Monday Night

Partly cloudy, with a low around 24. West wind around 15 mph, with gusts as high as 28 mph.

Tuesday

A chance of snow. Partly sunny, with a high near 31.