Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

-14°F

-26°C

Humidity 74%
Wind Speed Calm
Barometer 30.63 in (1044.1 mb)
Dewpoint -20°F (-29°C)
Visibility 10.00 mi
Last update 23 Jan 7:53 pm CST
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

Cold Weather Advisory until January 24, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Tonight

    Low: -18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 1. Wind chill values as low as -29. South wind 5 to 10 mph.

    High: 1 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -8. South southeast wind around 6 mph becoming calm  after midnight.

    Low: -8 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny and cold, with a high near -1. Wind chill values as low as -20. Light and variable wind becoming north 5 to 10 mph in the morning.

    High: -1 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -17. North northwest wind around 7 mph becoming west southwest after midnight.

    Low: -17 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 14. Southwest wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 14 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around -2. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: -2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near 9. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 9 °F

    Cold

Detailed Forecast

Tonight
Mostly cloudy, with a low around -18. Wind chill values as low as -25. Light south wind.
Saturday
Mostly sunny and cold, with a high near 1. Wind chill values as low as -29. South wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around -8. South southeast wind around 6 mph becoming calm after midnight.
Sunday
Partly sunny and cold, with a high near -1. Wind chill values as low as -20. Light and variable wind becoming north 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around -17. North northwest wind around 7 mph becoming west southwest after midnight.
Monday
Mostly sunny, with a high near 14. Southwest wind 8 to 17 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around -2. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny and cold, with a high near 9. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around -5. West northwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 11.
Wednesday Night
Partly cloudy, with a low around -8.
Thursday
Mostly sunny and cold, with a high near 8.
Thursday Night
Partly cloudy, with a low around -6.
Friday
Mostly sunny, with a high near 14.
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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)
7:36 pm CST Jan 23, 2026
8pm CST Jan 23, 2026-6pm CST Jan 30, 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