Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

A Few Clouds and Windy

37°F

3°C

Humidity	75%
Wind Speed	NW 26 G 41 mph
Barometer	29.64 in
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	25°F (-4°C)
Last update	9 Dec 8:15 pm CST

More Information:

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

Extended Forecast for

Tolstoy SD

Winter Weather Advisory December 10, 06:00pm until December 11, 12:00pm

High Wind Warning until December 10, 03:00am

Click here for hazard details and duration

Winter Weather Advisory

High Wind Warning

High Wind Warning until December 10, 03:00am
NOW until 3:00am Wed
High Wind Warning
Tonight
Low: 13 °F
Windy. Slight
Chance
Rain/Freezing
Rain then
Mostly Cloudy
Wednesday
High: 16 °F
Mostly Sunny
and Blustery
then Mostly
Cloudy
Wednesday Night
Low: 12 °F
Slight Chance
Snow then
Chance
Snow/Sleet
Thursday
High: 27 °F
Wintry Mix
Likely
Thursday Night
Low: 2 °F
Chance Snow
and Blustery
Friday
High: 9 °F
Slight Chance
Snow and
Blustery
Friday Night
Low: -5 °F
Slight Chance
Snow then
Snow Likely
Saturday
High: 2 °F
Chance Snow
then Partly
Sunny

Detailed Forecast

Tonight

A slight chance of rain before 9pm, then a slight chance of freezing rain between 9pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 13. Windy, with a northwest wind 33 to 38 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 20%.

Wednesday

Increasing clouds, with a steady temperature around 16. Blustery, with a northwest wind 19 to 24 mph becoming east northeast 7 to 12 mph in the afternoon. Winds could gust as high as 34 mph.

Wednesday Night

A chance of snow before 3am, then a chance of snow and sleet. Cloudy, with a low around 12. East southeast wind 6 to 11 mph. Chance of precipitation is 50%.

Thursday

Snow, freezing rain, and sleet likely before noon, then a chance of snow and freezing rain between noon and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 27. Southeast wind around 11 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.

Thursday Night

A chance of snow. Cloudy, with a low around 2. Blustery, with a north northwest wind 11 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

Friday

A slight chance of snow. Mostly cloudy and cold, with a high near 9. Blustery, with a north northwest wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Friday Night

Snow likely, mainly after midnight. Cloudy, with a low around -5. Northeast wind 9 to 11 mph. Chance of precipitation is 60%.

Saturday

A chance of snow before noon. Mostly cloudy and cold, with a high near 2. North northwest wind around 11 mph. Chance of precipitation is 50%.

Saturday Night

Mostly cloudy, with a low around -15. North northwest wind 8 to 10 mph becoming south southeast after midnight.

Sunday

Partly sunny, with a high near 13.

Sunday Night

Mostly cloudy, with a low around 2.

Monday

Mostly sunny, with a high near 25.