Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Extended Forecast for

Vienna SD

Wind Advisory December 28, 03:00am until December 29, 12:00am

Winter Weather Advisory until December 28, 12:00pm

Click here for hazard details and duration

Wind Advisory

Winter Weather Advisory

Winter Weather Advisory until December 28, 12:00pm
NOW until 12:00pm Sun
Winter Weather Advisory
Overnight
Low: 12 °F
Wintry Mix
Likely and
Patchy
Blowing Snow
Sunday
High: 16 °F⇓
Chance Snow
and Areas
Blowing Snow
Sunday Night
Low: 2 °F
Slight Chance
Snow and
Patchy
Blowing Snow
Monday
High: 10 °F
Mostly Sunny
and Blustery
then Sunny
Monday Night
Low: 6 °F
Partly Cloudy
Tuesday
High: 34 °F
Partly Sunny
Tuesday Night
Low: 17 °F
Mostly Cloudy
Wednesday
High: 25 °F
Chance Snow

Detailed Forecast

Overnight

A chance of snow and freezing rain before 3am, then snow likely. Patchy blowing snow after 5am. Patchy fog between 2am and 3am. Areas of freezing fog before 2am. Otherwise, cloudy, with a low around 12. Windy, with a north northwest wind 18 to 23 mph increasing to 25 to 30 mph. Winds could gust as high as 44 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.

Sunday

A chance of snow before 11am, then a slight chance of snow after 4pm. Areas of blowing snow before 8am. Mostly cloudy, with a temperature falling to around 6 by 5pm. Wind chill values as low as -19. Windy, with a northwest wind 30 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 50%.

Sunday Night

A slight chance of snow between 8pm and midnight. Patchy blowing snow after 9pm. Mostly cloudy, with a low around 2. Wind chill values as low as -21. Windy, with a northwest wind 26 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 20%.

Monday

Mostly sunny and cold, with a high near 10. Wind chill values as low as -19. Blustery, with a north northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 33 mph.

Monday Night

Partly cloudy, with a low around 6. West northwest wind 7 to 10 mph becoming southwest after midnight.

Tuesday

Partly sunny, with a high near 34. Southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

Tuesday Night

Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

Wednesday

A chance of snow. Mostly cloudy, with a high near 25. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

Wednesday Night

A slight chance of snow before midnight. Mostly cloudy, with a low around 3. North northeast wind 8 to 13 mph. Chance of precipitation is 20%.

New Year's Day

Partly sunny, with a high near 15.