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

-18°F

-28°C

Humidity 77%
Wind Speed SW 7 mph
Barometer 30.26 in (1030.3 mb)
Dewpoint -23°F (-31°C)
Visibility 10.00 mi
Wind Chill-35°F (-37°C)
Last update 26 Jan 2:53 am CST
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

Wind Advisory January 26, 09:00am until January 26, 03:00pm
Cold Weather Advisory January 26, 03:41am until January 26, 09:00am
Click here for hazard details and duration
Wind Advisory
Cold Weather Advisory
  •  
    Cold Weather Advisory January 26, 03:41am until January 26, 09:00am

    NOW until 9:00am Mon

    Cold Weather Advisory

  • Overnight

    Low: -16 °F

    Mostly Clear

  • Monday

    Monday: Patchy blowing snow between noon and 2pm. Mostly sunny, with a high near 16. Wind chill values as low as -35. Breezy, with a south southwest wind 11 to 20 mph becoming west in the afternoon. Winds could gust as high as 33 mph.

    High: 16 °F

    Mostly Sunny
    then Patchy
    Blowing Snow
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -3. Wind chill values as low as -19. Northwest wind 13 to 15 mph, with gusts as high as 31 mph.

    Low: -3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and cold, with a high near 6. Wind chill values as low as -20. Northwest wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 6 °F

    Cold

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -3. West wind 6 to 9 mph.

    Low: -3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 11. Northwest wind 6 to 8 mph.

    High: 11 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -6. North northeast wind 3 to 6 mph.

    Low: -6 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny and cold, with a high near 7. Northeast wind 3 to 8 mph.

    High: 7 °F

    Cold

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around -16. Wind chill values as low as -35. Southwest wind 8 to 10 mph.
Monday
Patchy blowing snow between noon and 2pm. Mostly sunny, with a high near 16. Wind chill values as low as -35. Breezy, with a south southwest wind 11 to 20 mph becoming west in the afternoon. Winds could gust as high as 33 mph.
Monday Night
Partly cloudy, with a low around -3. Wind chill values as low as -19. Northwest wind 13 to 15 mph, with gusts as high as 31 mph.
Tuesday
Sunny and cold, with a high near 6. Wind chill values as low as -20. Northwest wind 9 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around -3. West wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 11. Northwest wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around -6. North northeast wind 3 to 6 mph.
Thursday
Mostly sunny and cold, with a high near 7. Northeast wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around -11. Northeast wind around 7 mph.
Friday
Sunny and cold, with a high near 10.
Friday Night
Partly cloudy, with a low around -2.
Saturday
A chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Watertown Municipal Airport SD
 44.97°N 97.12°W (Elev. 1745 ft)
3:36 am CST Jan 26, 2026
3am CST Jan 26, 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

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