Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog/Mist

18°F

-8°C

Humidity	92%
Wind Speed	S 14 mph
Barometer	29.93 in (1017.0 mb)
Dewpoint	16°F (-9°C)
Visibility	2.50 mi
Wind Chill	4°F (-16°C)
Last update	8 Dec 11:53 am CST

More Information:

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

Extended Forecast for

4 Miles W Vienna SD

This Afternoon
High: 30 °F
Slight Chance
Snow
Tonight
Low: 25 °F
Mostly Cloudy
then Patchy
Fog
Tuesday
High: 39 °F
Freezing Rain
Likely then
Rain and
Windy
Tuesday Night
Low: 11 °F
Chance Snow
and Windy
Wednesday
High: 16 °F
Mostly Cloudy
and Blustery
then Mostly
Cloudy
Wednesday Night
Low: 5 °F
Mostly Cloudy
then Chance
Snow
Thursday
High: 18 °F
Chance Snow
Thursday Night
Low: -7 °F
Chance Snow
Friday
High: 3 °F
Cold

Detailed Forecast

This Afternoon

A slight chance of snow between 1pm and 2pm. Partly sunny, with a high near 30. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Tonight

Patchy fog between 3am and 5am. Otherwise, mostly cloudy, with a steady temperature around 25. West wind 8 to 13 mph, with gusts as high as 21 mph.

Tuesday

Rain or freezing rain before 3pm, then a slight chance of rain between 3pm and 4pm. High near 39. Windy, with a south southwest wind 9 to 19 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 80%. Little or no ice accumulation expected.

Tuesday Night

A chance of snow, mainly between 10pm and midnight. Mostly cloudy, with a low around 11. Windy, with a west northwest wind 26 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 30%.

Wednesday

Mostly cloudy, with a high near 16. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 30 mph.

Wednesday Night

A chance of snow after midnight. Mostly cloudy, with a low around 5. North wind 6 to 9 mph becoming east southeast after midnight. Chance of precipitation is 40%.

Thursday

A chance of snow. Mostly cloudy, with a high near 18. East southeast wind 9 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

Thursday Night

A chance of snow, mainly after midnight. Mostly cloudy, with a low around -7. North northwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

Friday

Partly sunny and cold, with a high near 3. Northwest wind 15 to 18 mph, with gusts as high as 29 mph.

Friday Night

Mostly cloudy, with a low around -10.

Saturday

A chance of snow. Mostly cloudy and cold, with a high near 4. Chance of precipitation is 30%.

Saturday Night

A slight chance of snow. Mostly cloudy, with a low around -6. Chance of precipitation is 20%.

Sunday

Partly sunny, with a high near 16.