Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Light Rain

36°F

2°C

Humidity	93%
Wind Speed	E 5 mph
Barometer	29.84 in
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Wind Chill	32°F (0°C)
Last update	10 Dec 1:15 pm MST

More Information:

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

Extended Forecast for

Whitewood SD

This Afternoon
High: 40 °F
Chance
Rain/Snow
Tonight
Low: 40 °F⇑
Rain Likely
Thursday
High: 54 °F
Chance Rain
and Breezy
Thursday Night
Low: 19 °F
Rain/Snow
Likely and
Blustery then
Chance Snow
Friday
High: 20 °F⇓
Snow
Friday Night
Low: 11 °F
Snow Likely
Saturday
High: 21 °F
Chance Snow
Saturday Night
Low: 13 °F
Partly Cloudy
Sunday
High: 48 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A chance of rain before 3pm, then a chance of rain and snow between 3pm and 4pm, then a chance of rain after 4pm. Cloudy, with a steady temperature around 40. Southeast wind around 8 mph becoming southwest. Winds could gust as high as 18 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Tonight

Rain likely, mainly before 11pm. Mostly cloudy, with a temperature rising to around 48 by 5am. West wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

Thursday

A 50 percent chance of rain, mainly after 11am. Increasing clouds, with a high near 54. Breezy, with a west wind 18 to 24 mph, with gusts as high as 41 mph.

Thursday Night

Snow likely, possibly mixed with rain before 11pm, then a chance of snow. Cloudy, with a low around 19. Blustery, with a northwest wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

Snow. Temperature falling to around 19 by 5pm. Northwest wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow likely. Cloudy, with a low around 11. East wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday

A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 21. North wind around 7 mph.

Saturday Night

Partly cloudy, with a low around 13. Southeast wind around 6 mph.

Sunday

Mostly sunny, with a high near 48.

Sunday Night

Mostly clear, with a low around 34.

Monday

Mostly sunny, with a high near 54.

Monday Night

Partly cloudy, with a low around 37.