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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast and Breezy

36°F

2°C

Humidity	89%
Wind Speed	NW 23 G 39 mph
Barometer	29.33 in (994.9 mb)
Dewpoint	33°F (1°C)
Visibility	10.00 mi
Wind Chill	24°F (-4°C)
Last update	9 Dec 6:53 pm CST

More Information:

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

Extended Forecast for

Wallace SD

Winter Weather Advisory December 9, 09:00pm until December 10, 03:00am

High Wind Warning until December 10, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

High Wind Warning

High Wind Warning until December 10, 06:00am
NOW until 6:00am Wed
High Wind Warning
Tonight
Low: 12 °F
Chance
Rain/Snow and
Patchy
Blowing Snow
Wednesday
High: 17 °F⇓
Cloudy and
Blustery then
Mostly Cloudy
Wednesday Night
Low: 7 °F
Cloudy then
Slight Chance
Snow
Thursday
High: 23 °F
Snow Likely
Thursday Night
Low: 1 °F
Chance Snow
Friday
High: 11 °F
Slight Chance
Snow then
Mostly Cloudy
Friday Night
Low: -8 °F
Cloudy then
Chance Snow
Saturday
High: -2 °F
Chance Snow
then Slight
Chance Snow

Detailed Forecast

Tonight

A chance of rain and snow before 10pm, then a chance of snow between 10pm and 4am. Patchy blowing snow between 10pm and 11pm. Cloudy, with a low around 12. Windy, with a northwest wind 31 to 36 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 50%.

Wednesday

Mostly cloudy, with a temperature falling to around 10 by 5pm. Blustery, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 38 mph.

Wednesday Night

A slight chance of snow after midnight. Cloudy, with a low around 7. Northwest wind 5 to 8 mph becoming east southeast in the evening. Chance of precipitation is 20%.

Thursday

Snow likely, mainly before noon. Cloudy, with a high near 23. South southeast wind around 10 mph becoming east northeast in the afternoon. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

A chance of snow. Cloudy, with a low around 1. Northeast wind 9 to 16 mph becoming northwest in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 50%.

Friday

A slight chance of snow before noon. Mostly cloudy, with a high near 11. Northwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Friday Night

A chance of snow after midnight. Cloudy, with a low around -8. North northwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Saturday

A chance of snow, mainly before noon. Mostly cloudy and cold, with a high near -2. Northwest wind 7 to 10 mph. Chance of precipitation is 50%.

Saturday Night

Partly cloudy, with a low around -15. Northwest wind 7 to 9 mph becoming south southwest after midnight.

Sunday

Mostly sunny, with a high near 11.

Sunday Night

Mostly cloudy, with a low around 0.

Monday

Mostly sunny, with a high near 19.

Monday Night

Mostly cloudy, with a low around 6.