High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

-11°F

-24°C

Humidity 67%
Wind Speed NW 9 mph
Barometer 30.36 in (1033.7 mb)
Dewpoint -19°F (-28°C)
Visibility 10.00 mi
Wind Chill-29°F (-34°C)
Last update 25 Jan 6:53 pm CST
Extended Forecast for

6 Miles WSW Watertown SD

Cold Weather Advisory until January 26, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 26, 09:00am

    NOW until 9:00am Mon

    Cold Weather Advisory

  • Tonight

    Low: -16 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 17. Wind chill values as low as -31. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 31 mph.

    High: 17 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. Wind chill values as low as -20. Northwest wind around 15 mph, with gusts as high as 26 mph.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and cold, with a high near 6. Wind chill values as low as -22. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 6 °F

    Cold

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -2. West wind around 8 mph.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and cold, with a high near 10. North northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 10 °F

    Cold

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -5. Northwest wind around 7 mph.

    Low: -5 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny and cold, with a high near 8. North northeast wind 6 to 9 mph.

    High: 8 °F

    Cold

Detailed Forecast

Tonight
Mostly clear, with a low around -16. Wind chill values as low as -32. North northwest wind 6 to 10 mph becoming southwest after midnight.
Monday
Mostly sunny, with a high near 17. Wind chill values as low as -31. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around -4. Wind chill values as low as -20. Northwest wind around 15 mph, with gusts as high as 26 mph.
Tuesday
Sunny and cold, with a high near 6. Wind chill values as low as -22. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around -2. West wind around 8 mph.
Wednesday
Mostly sunny and cold, with a high near 10. North northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around -5. Northwest wind around 7 mph.
Thursday
Partly sunny and cold, with a high near 8. North northeast wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around -10. Northeast wind 6 to 9 mph.
Friday
Sunny and cold, with a high near 9.
Friday Night
Partly cloudy, with a low around -2.
Saturday
A slight chance of snow. Mostly sunny, with a high near 24. Chance of precipitation is 20%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
7:36 pm CST Jan 25, 2026
7pm CST Jan 25, 2026-6pm CST Feb 1, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database