Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

18°F

-8°C

Humidity	79%
Wind Speed	Calm
Barometer	30.31 in
Dewpoint	12°F (-11°C)
Visibility	10.00 mi
Last update	22 Feb 10:15 pm MST

More Information:

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

Extended Forecast for

Lead SD

Tonight
Low: 23 °F
Mostly Clear
Monday
High: 52 °F
Mostly Sunny
Monday Night
Low: 31 °F
Increasing
Clouds
Tuesday
High: 40 °F
Chance Snow
Tuesday Night
Low: 29 °F
Chance Snow
Wednesday
High: 42 °F
Snow
Wednesday Night
Low: 27 °F
Slight Chance
Snow then
Mostly Clear
Thursday
High: 46 °F
Sunny
Thursday Night
Low: 31 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 23. West wind 5 to 7 mph, with gusts as high as 21 mph.

Monday

Mostly sunny, with a high near 52. Wind chill values as low as 20 early. West wind around 6 mph, with gusts as high as 20 mph.

Monday Night

Increasing clouds, with a low around 31. Southwest wind 8 to 11 mph, with gusts as high as 28 mph.

Tuesday

A 30 percent chance of snow. Mostly cloudy, with a high near 40. West wind 9 to 11 mph, with gusts as high as 29 mph.

Tuesday Night

A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 29. West wind around 7 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

Wednesday

Snow. High near 42. West wind 9 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

A 20 percent chance of snow before 11pm. Mostly clear, with a low around 27. West wind around 16 mph, with gusts as high as 34 mph.

Thursday

Sunny, with a high near 46. West wind 13 to 15 mph, with gusts as high as 33 mph.

Thursday Night

Mostly clear, with a low around 31.

Friday

A chance of snow, mainly after 11am. Mostly sunny, with a high near 48.

Friday Night

Snow likely. Mostly cloudy, with a low around 19.

Saturday

Snow likely. Partly sunny, with a high near 31.