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 the Northeastern Seaboard. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

52°F

11°C

Humidity	22%
Wind Speed	W 9 mph
Barometer	29.91 in
Dewpoint	14°F (-10°C)
Visibility	10.00 mi
Wind Chill	49°F (9°C)
Last update	23 Feb 5:15 pm MST

More Information:

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

Extended Forecast for

Nisland SD

Tonight
Low: 32 °F
Partly Cloudy
Tuesday
High: 45 °F
Mostly Cloudy
and Breezy
Tuesday Night
Low: 26 °F
Chance Snow
Wednesday
High: 49 °F
Breezy.
Rain/Snow
Likely then
Chance Rain
Wednesday Night
Low: 30 °F
Mostly Clear
and Breezy
then Mostly
Clear
Thursday
High: 57 °F
Sunny and
Breezy
Thursday Night
Low: 34 °F
Mostly Clear
Friday
High: 55 °F
Mostly Sunny
and Breezy
Friday Night
Low: 13 °F
Chance Snow

Detailed Forecast

Tonight

Partly cloudy, with a low around 32. West wind 9 to 18 mph, with gusts as high as 28 mph.

Tuesday

Mostly cloudy, with a high near 45. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 33 mph.

Tuesday Night

A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 26. Wind chill values as low as 19. West wind 6 to 11 mph becoming southeast after midnight. Winds could gust as high as 17 mph. Little or no snow accumulation expected.

Wednesday

Snow likely before 10am, then rain likely. Cloudy, then gradually becoming mostly sunny, with a high near 49. Wind chill values as low as 20 early. Breezy, with a south wind 8 to 13 mph becoming northwest 19 to 29 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Mostly clear, with a low around 30. Breezy, with a west wind 18 to 20 mph, with gusts as high as 31 mph.

Thursday

Sunny, with a high near 57. Breezy, with a west wind 18 to 28 mph, with gusts as high as 40 mph.

Thursday Night

Mostly clear, with a low around 34. West wind around 15 mph, with gusts as high as 23 mph.

Friday

Mostly sunny, with a high near 55. Breezy, with a west wind 16 to 21 mph becoming northwest 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

Friday Night

A chance of snow. Mostly cloudy, with a low around 13.

Saturday

A chance of snow. Mostly cloudy, with a high near 29. Breezy.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 9.

Sunday

A chance of snow. Partly sunny, with a high near 35.

Sunday Night

A slight chance of snow. Partly cloudy, with a low around 15.

Monday

Mostly sunny, with a high near 47.