Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Partly Cloudy and Breezy

-3°F

-19°C

Humidity 58%
Wind Speed NW 22 mph
Barometer 30.29 in (1030.2 mb)
Dewpoint -14°F (-26°C)
Visibility 10.00 mi
Wind Chill-27°F (-33°C)
Last update 22 Jan 1:53 pm CST
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

Extreme Cold Warning January 22, 06:00pm until January 23, 03:00pm
Click here for hazard details and duration
Extreme Cold Warning
  • This Afternoon

    This Afternoon: A slight chance of flurries.  Patchy blowing snow. Partly sunny and cold, with a high near 6. Wind chill values as low as -35. Blustery, with a northwest wind 22 to 24 mph, with gusts as high as 33 mph.

    High: 6 °F

    Slight Chance
    Flurries and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Partly cloudy, with a low around -23. Wind chill values as low as -40. North northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: -23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -10. Wind chill values as low as -39. Northwest wind 3 to 7 mph.

    High: -10 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -15. Light and variable wind.

    Low: -15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 1. South wind 3 to 8 mph.

    High: 1 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -11. Light and variable wind.

    Low: -11 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and cold, with a high near -1. North wind 3 to 7 mph.

    High: -1 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -17. Northwest wind 5 to 8 mph becoming south southwest after midnight.

    Low: -17 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 13. South southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 13 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of flurries. Patchy blowing snow. Partly sunny and cold, with a high near 6. Wind chill values as low as -35. Blustery, with a northwest wind 22 to 24 mph, with gusts as high as 33 mph.
Tonight
Partly cloudy, with a low around -23. Wind chill values as low as -40. North northwest wind 7 to 15 mph, with gusts as high as 26 mph.
Friday
Mostly sunny and cold, with a high near -10. Wind chill values as low as -39. Northwest wind 3 to 7 mph.
Friday Night
Mostly cloudy, with a low around -15. Light and variable wind.
Saturday
Partly sunny and cold, with a high near 1. South wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around -11. Light and variable wind.
Sunday
Mostly sunny and cold, with a high near -1. North wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around -17. Northwest wind 5 to 8 mph becoming south southwest after midnight.
Monday
Mostly sunny, with a high near 13. South southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around -4.
Tuesday
Mostly sunny, with a high near 11.
Tuesday Night
Mostly cloudy, with a low around -6.
Wednesday
Mostly sunny and cold, with a high near 8.
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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)
2:36 pm CST Jan 22, 2026
2pm CST Jan 22, 2026-6pm CST Jan 28, 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