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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Light Snow and Breezy

17°F

-8°C

Humidity	77%
Wind Speed	NW 24 G 33 mph
Barometer	30.01 in (1018.8 mb)
Dewpoint	11°F (-12°C)
Visibility	9.00 mi
Wind Chill	-1°F (-18°C)
Last update	10 Dec 10:53 am CST

More Information:

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

Extended Forecast for

4 Miles W Vienna SD

Winter Weather Advisory December 11, 06:00am until December 11, 06:00pm

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 19 °F⇓
Chance
Flurries
Tonight
Low: 10 °F⇑
Cloudy then
Chance Snow
Thursday
High: 25 °F
Wintry Mix
Thursday Night
Low: 4 °F
Chance Wintry
Mix then
Slight Chance
Snow
Friday
High: 11 °F
Mostly Cloudy
and Blustery
then Mostly
Cloudy
Friday Night
Low: -5 °F
Cloudy then
Chance Snow
Saturday
High: 0 °F
Snow Likely
then Slight
Chance Snow
Saturday Night
Low: -15 °F
Partly Cloudy
Sunday
High: 15 °F
Mostly Sunny

Detailed Forecast

Today

A chance of flurries before noon. Cloudy, with a temperature falling to around 11 by 5pm. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 29 mph.

Tonight

A chance of snow, mainly after 4am. Cloudy, with a temperature rising to around 15 by 5am. North northwest wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 30%.

Thursday

Snow likely, possibly mixed with sleet before 9am, then snow, possibly mixed with freezing rain. High near 25. South southeast wind 8 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than one inch possible.

Thursday Night

A chance of snow and freezing rain before 7pm, then a chance of snow between 7pm and 5am. Mostly cloudy, with a low around 4. Northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

Friday

Mostly cloudy, with a high near 11. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph.

Friday Night

A chance of snow after midnight. Cloudy, with a low around -5. North northwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

Saturday

Snow likely, mainly before noon. Mostly cloudy and cold, with a high near 0. North northwest wind 7 to 10 mph. Chance of precipitation is 60%.

Saturday Night

Partly cloudy, with a low around -15. North northwest wind 6 to 8 mph becoming east after midnight.

Sunday

Mostly sunny, with a high near 15. South southeast wind 8 to 18 mph, with gusts as high as 28 mph.

Sunday Night

Partly cloudy, with a low around 4.

Monday

Mostly sunny, with a high near 25.

Monday Night

Partly cloudy, with a low around 13.