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

Lily SD

Winter Weather Advisory December 28, 03:00am until December 29, 12:00am

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

Dense Fog Advisory December 27, 10:11pm until December 28, 12:00am

Click here for hazard details and duration

Winter Weather Advisory

Wind Advisory

Dense Fog Advisory

Dense Fog Advisory December 27, 10:11pm until December 28, 12:00am
NOW until 12:00am Sun
Dense Fog Advisory
Tonight
Low: 10 °F
Chance Wintry
Mix and Areas
Dense
Freezing Fog
Sunday
High: 13 °F⇓
Chance Snow
and Blowing
Snow
Sunday Night
Low: 0 °F
Chance Snow
and Blowing
Snow
Monday
High: 10 °F
Cold
Monday Night
Low: 5 °F
Partly Cloudy
Tuesday
High: 32 °F
Partly Sunny
Tuesday Night
Low: 15 °F
Mostly Cloudy
Wednesday
High: 20 °F
Chance Snow

Detailed Forecast

Tonight

A chance of snow and freezing rain between midnight and 3am, then a chance of snow after 3am. Areas of fog between 1am and 3am. Areas of dense freezing fog before 1am. Otherwise, mostly cloudy, with a low around 10. Blustery, with a north wind 15 to 20 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 50%.

Sunday

A chance of snow before noon, then a chance of snow after 1pm. Patchy blowing snow before 9am, then widespread blowing snow after 3pm. Mostly cloudy, with a temperature falling to around 4 by 5pm. Wind chill values as low as -20. Windy, with a northwest wind 28 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 50%.

Sunday Night

A chance of snow before midnight. Widespread blowing snow, mainly between 8pm and 10pm. Mostly cloudy, with a low around 0. Wind chill values as low as -21. Windy, with a northwest wind 23 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 50%.

Monday

Mostly sunny and cold, with a high near 10. Wind chill values as low as -19. North northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 30 mph.

Monday Night

Partly cloudy, with a low around 5. Southwest wind 6 to 10 mph.

Tuesday

Partly sunny, with a high near 32. Southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

Tuesday Night

Mostly cloudy, with a low around 15. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.

Wednesday

A chance of snow. Mostly cloudy, with a high near 20. North wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Wednesday Night

A slight chance of snow before midnight. Mostly cloudy, with a low around 1. North wind 7 to 11 mph. Chance of precipitation is 20%.

New Year's Day

Partly sunny, with a high near 12.