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

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. 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

14°F

-10°C

Humidity	95%
Wind Speed	W 6 mph
Barometer	29.98 in (1019.5 mb)
Dewpoint	13°F (-11°C)
Visibility	5.00 mi
Wind Chill	5°F (-15°C)
Last update	20 Jan 6:53 pm CST

More Information:

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

Extended Forecast for

Wallace 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: 6 °F
Mostly Cloudy
Wednesday
High: 22 °F
Snow Likely
and Patchy
Blowing Snow
Wednesday Night
Low: -5 °F
Partly Cloudy
Thursday
High: 5 °F
Cold
Thursday Night
Low: -25 °F
Partly Cloudy
Friday
High: -12 °F
Cold
Friday Night
Low: -21 °F
Partly Cloudy
Saturday
High: -2 °F
Cold
Saturday Night
Low: -16 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 6. West wind 6 to 11 mph, with gusts as high as 24 mph.

Wednesday

Snow likely, mainly before 2pm. Patchy blowing snow after 10am. Partly sunny, with a high near 22. Blustery, with a northwest wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Partly cloudy, with a low around -5. West northwest wind 9 to 18 mph, with gusts as high as 33 mph.

Thursday

Mostly sunny and cold, with a high near 5. 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 -25. North northwest wind 8 to 14 mph, with gusts as high as 24 mph.

Friday

Sunny and cold, with a high near -12. Northwest wind 5 to 7 mph.

Friday Night

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

Saturday

Mostly sunny and cold, with a high near -2. South southwest wind 7 to 10 mph.