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 >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

39°F

4°C

Humidity	56%
Wind Speed	W 12 mph
Barometer	30.09 in
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Wind Chill	32°F (0°C)
Last update	1 Feb 12:35 am MST

More Information:

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

Extended Forecast for

4 Miles WSW Lead SD

Overnight
Low: 26 °F
Partly Cloudy
Sunday
High: 41 °F
Mostly Sunny
Sunday Night
Low: 28 °F
Mostly Cloudy
Monday
High: 37 °F
Mostly Sunny
Monday Night
Low: 24 °F
Slight Chance
Snow
Tuesday
High: 34 °F
Chance Snow
Tuesday Night
Low: 23 °F
Slight Chance
Snow then
Partly Cloudy
Wednesday
High: 39 °F
Mostly Sunny
Wednesday Night
Low: 31 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 26. Wind chill values as low as 17. West wind 10 to 14 mph, with gusts as high as 26 mph.

Sunday

Mostly sunny, with a high near 41. Wind chill values as low as 15. West wind 6 to 10 mph, with gusts as high as 22 mph.

Sunday Night

Mostly cloudy, with a low around 28. Wind chill values as low as 18. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

Monday

Mostly sunny, with a high near 37. Wind chill values as low as 17. Northwest wind 13 to 16 mph, with gusts as high as 32 mph.

Monday Night

A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 24. Northwest wind around 15 mph, with gusts as high as 26 mph.

Tuesday

A 40 percent chance of snow. Partly sunny, with a high near 34. Northwest wind 11 to 14 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

Tuesday Night

A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 23. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.

Wednesday

Mostly sunny, with a high near 39. West wind 8 to 10 mph, with gusts as high as 22 mph.

Wednesday Night

Partly cloudy, with a low around 31.

Thursday

Sunny, with a high near 46.

Thursday Night

Mostly clear, with a low around 28.

Friday

Sunny, with a high near 42.