Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds and Breezy

54°F

12°C

Humidity	41%
Wind Speed	W 22 G 32 mph
Barometer	29.50 in
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	49°F (9°C)
Last update	9 Dec 10:55 am MST

More Information:

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

Extended Forecast for

3 Miles WNW Whitewood SD

High Wind Warning until December 10, 02:00am

Click here for hazard details and duration

High Wind Warning

High Wind Warning until December 10, 02:00am
NOW until 2:00am Wed
High Wind Warning
Today
High: 54 °F⇓
Rain Likely
and Windy
Tonight
Low: 27 °F
Partly Cloudy
and Windy
Wednesday
High: 43 °F
Snow then
Rain/Snow
Wednesday Night
Low: 36 °F⇑
Rain
Thursday
High: 46 °F⇓
Rain
Thursday Night
Low: 11 °F
Rain/Snow
then Snow
Friday
High: 17 °F
Snow
Friday Night
Low: 7 °F
Snow Likely

Detailed Forecast

Today

Rain likely, mainly before 2pm. Mostly cloudy, with a temperature falling to around 37 by 5pm. Windy, with a west wind 33 to 37 mph, with gusts as high as 55 mph. Chance of precipitation is 60%.

Tonight

Partly cloudy, with a low around 27. Wind chill values as low as 17. Windy, with a west wind 25 to 30 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 48 mph.

Wednesday

Snow before 3pm, then rain and snow between 3pm and 4pm, then rain after 4pm. High near 43. Wind chill values as low as 19. West wind 7 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday Night

Rain. Temperature rising to around 43 by 5am. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

Thursday

Rain, mainly after 11am. Temperature rising to near 46 by 11am, then falling to around 37 during the remainder of the day. Northwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Thursday Night

Rain and snow, becoming all snow after 7pm. Low around 11. Northwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow. High near 17. Northwest wind 9 to 11 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

Friday Night

Snow likely, mainly before 11pm. Cloudy, with a low around 7. East wind 6 to 8 mph, with gusts as high as 15 mph.

Saturday

A chance of snow, mainly before 11am. Mostly cloudy, with a high near 19.

Saturday Night

Mostly cloudy, with a low around 10.

Sunday

Mostly sunny, with a high near 40.

Sunday Night

Partly cloudy, with a low around 27.