Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Light Snow Fog/Mist

17°F

-8°C

Humidity	92%
Wind Speed	SW 5 mph
Barometer	29.97 in (1019.1 mb)
Dewpoint	15°F (-9°C)
Visibility	2.50 mi
Wind Chill	9°F (-13°C)
Last update	20 Jan 5:53 pm CST

More Information:

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

Extended Forecast for

4 Miles ESE Castlewood SD

Extreme Cold Watch January 22, 06:00pm until January 23, 03:00pm

Winter Weather Advisory January 21, 08:00am until January 21, 06:00pm

Click here for hazard details and duration

Extreme Cold Watch

Winter Weather Advisory

Tonight
Low: 5 °F
Chance Snow
then Mostly
Cloudy
Wednesday
High: 23 °F
Chance Snow
and Patchy
Blowing Snow
Wednesday Night
Low: -4 °F
Partly Cloudy
Thursday
High: 6 °F
Cold
Thursday Night
Low: -23 °F
Partly Cloudy
Friday
High: -11 °F
Cold
Friday Night
Low: -21 °F
Partly Cloudy
Saturday
High: -1 °F
Cold
Saturday Night
Low: -16 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of snow, mainly before 7pm. Mostly cloudy, with a low around 5. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

Wednesday

A chance of snow between 2pm and 3pm. Patchy blowing snow after 11am. Partly sunny, with a high near 23. Blustery, with a west southwest wind 9 to 14 mph becoming northwest 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 50%.

Wednesday Night

Partly cloudy, with a low around -4. Wind chill values as low as -19. West northwest wind 9 to 18 mph, with gusts as high as 33 mph.

Thursday

Mostly sunny and cold, with a high near 6. Wind chill values as low as -22. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.

Thursday Night

Partly cloudy, with a low around -23. North northwest wind 8 to 14 mph, with gusts as high as 22 mph.

Friday

Sunny and cold, with a high near -11. Northwest wind 5 to 8 mph.

Friday Night

Partly cloudy, with a low around -21. Light and variable wind becoming south around 6 mph after midnight.

Saturday

Mostly sunny and cold, with a high near -1. Southwest wind 6 to 10 mph.