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 >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

17°F

-8°C

Humidity 88%
Wind Speed W 10 mph
Barometer 29.97 in (1018.4 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 20 Jan 10:53 pm CST
Extended Forecast for

Webster 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

    Tonight: Mostly cloudy, with a low around 6. West wind 10 to 13 mph, with gusts as high as 33 mph.

    Low: 6 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly before 11am.  Patchy blowing snow after 10am. Mostly cloudy, with a high near 21. Blustery, with a northwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -5. West northwest wind 10 to 17 mph, with gusts as high as 34 mph.

    Low: -5 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny and cold, with a high near 4. Wind chill values as low as -24. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 4 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -26. North northwest wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: -26 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near -14. Northwest wind 5 to 7 mph becoming west southwest in the afternoon.

    High: -14 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -21. South southwest wind around 6 mph.

    Low: -21 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near -3. South wind 6 to 10 mph.

    High: -3 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -16. South wind around 8 mph.

    Low: -16 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 6. West wind 10 to 13 mph, with gusts as high as 33 mph.
Wednesday
Snow likely, mainly before 11am. Patchy blowing snow after 10am. Mostly cloudy, with a high near 21. Blustery, with a northwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Mostly cloudy, with a low around -5. West northwest wind 10 to 17 mph, with gusts as high as 34 mph.
Thursday
Partly sunny and cold, with a high near 4. Wind chill values as low as -24. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around -26. North northwest wind 7 to 14 mph, with gusts as high as 25 mph.
Friday
Sunny and cold, with a high near -14. Northwest wind 5 to 7 mph becoming west southwest in the afternoon.
Friday Night
Partly cloudy, with a low around -21. South southwest wind around 6 mph.
Saturday
Mostly sunny and cold, with a high near -3. South wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around -16. South wind around 8 mph.
Sunday
Mostly sunny and cold, with a high near 4.
Sunday Night
Partly cloudy, with a low around -7.
Monday
Mostly sunny, with a high near 15.
Monday Night
Mostly cloudy, with a low around 0.
Tuesday
A slight chance of snow. Partly sunny, with a high near 16. Chance of precipitation is 20%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Webster SD
 45.33°N 97.52°W (Elev. 1831 ft)
11:36 pm CST Jan 20, 2026
11pm CST Jan 20, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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