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

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Overcast

19°F

-7°C

Humidity	86%
Wind Speed	N 9 mph
Barometer	30.10 in
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Wind Chill	8°F (-13°C)
Last update	10 Dec 10:55 am CST

More Information:

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

Extended Forecast for

Lebanon SD

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

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 21 °F
Increasing
Clouds
Tonight
Low: 18 °F
Chance Snow
then Chance
Wintry Mix
Thursday
High: 30 °F
Freezing Rain
then Chance
Freezing Rain
Thursday Night
Low: 4 °F
Chance Wintry
Mix then
Slight Chance
Snow and
Blustery
Friday
High: 12 °F
Cloudy and
Blustery then
Cloudy
Friday Night
Low: -3 °F
Chance Snow
then Snow
Likely
Saturday
High: 4 °F
Chance Snow
then Partly
Sunny
Saturday Night
Low: -11 °F
Mostly Cloudy
Sunday
High: 18 °F
Mostly Sunny

Detailed Forecast

Today

Increasing clouds, with a high near 21. North northwest wind 6 to 14 mph becoming northeast in the afternoon.

Tonight

A chance of snow before 3am, then a chance of snow and freezing rain between 3am and 4am, then a chance of freezing rain after 4am. Cloudy, with a steady temperature around 18. East wind 6 to 13 mph becoming south southeast after midnight. Chance of precipitation is 50%.

Thursday

Freezing rain, mainly before 2pm. High near 30. South southeast wind around 11 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New ice accumulation of around a 0.1 of an inch possible.

Thursday Night

A slight chance of snow and freezing rain before 9pm, then a chance of snow between 9pm and 4am. Cloudy, with a low around 4. Blustery, with a north northwest wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 30%.

Friday

Cloudy, with a high near 12. Blustery, with a north northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.

Friday Night

Snow likely, mainly after midnight. Cloudy, with a low around -3. North wind 7 to 10 mph becoming east northeast after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Saturday

A chance of snow before noon. Mostly cloudy and cold, with a high near 4. East northeast wind around 10 mph becoming north northwest in the afternoon. Chance of precipitation is 50%.

Saturday Night

Mostly cloudy, with a low around -11. North wind 6 to 10 mph becoming southeast in the evening.

Sunday

Mostly sunny, with a high near 18. Southeast wind 11 to 17 mph, with gusts as high as 26 mph.

Sunday Night

Partly cloudy, with a low around 8.

Monday

Mostly sunny, with a high near 31.

Monday Night

Partly cloudy, with a low around 17.

Tuesday

Partly sunny, with a high near 39.