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

16°F

-9°C

Humidity	79%
Wind Speed	S 7 mph
Barometer	30.33 in
Dewpoint	10°F (-12°C)
Visibility	10.00 mi
Wind Chill	6°F (-14°C)
Last update	22 Feb 9:35 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: 55 °F
Mostly Sunny
Monday Night
Low: 33 °F
Increasing
Clouds
Tuesday
High: 44 °F
Chance Snow
Tuesday Night
Low: 30 °F
Chance Snow
Wednesday
High: 44 °F
Snow
Wednesday Night
Low: 28 °F
Slight Chance
Snow then
Mostly Clear
Thursday
High: 49 °F
Sunny
Thursday Night
Low: 32 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 23. Southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.

Monday

Mostly sunny, with a high near 55. Calm wind becoming west around 6 mph. Winds could gust as high as 18 mph.

Monday Night

Increasing clouds, with a low around 33. West wind 6 to 9 mph, with gusts as high as 24 mph.

Tuesday

A 30 percent chance of snow. Mostly cloudy, with a high near 44. West wind 7 to 10 mph, with gusts as high as 28 mph.

Tuesday Night

A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 30. West wind 3 to 5 mph. Winds could gust as high as 17 mph. New snow accumulation of less than a half inch possible.

Wednesday

Snow. High near 44. Northwest wind 6 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Wednesday Night

A 20 percent chance of snow before 11pm. Mostly clear, with a low around 28. West wind around 14 mph, with gusts as high as 32 mph.

Thursday

Sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 33 mph.

Thursday Night

Mostly clear, with a low around 32.

Friday

A chance of snow, mainly after 11am. Mostly sunny, with a high near 51.

Friday Night

A chance of snow. Mostly cloudy, with a low around 19.

Saturday

A chance of snow. Partly sunny, with a high near 33.