Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

9°F

-13°C

Humidity 61%
Wind Speed W 10 mph
Barometer 30.28 in (1029.6 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 27 Jan 4:53 pm CST
Extended Forecast for

6 Miles WSW Watertown SD

  • Tonight

    Tonight: Partly cloudy, with a low around -2. West northwest wind 6 to 10 mph.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and cold, with a high near 10. Northwest wind 6 to 9 mph.

    High: 10 °F

    Cold

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -6. North wind around 6 mph becoming calm  in the evening.

    Low: -6 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and cold, with a high near 9. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 9 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -12. North northeast wind around 7 mph.

    Low: -12 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near 4. North northeast wind 5 to 8 mph.

    High: 4 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -10. North wind 5 to 9 mph becoming south after midnight.

    Low: -10 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of snow after noon.  Mostly sunny, with a high near 17. South wind 10 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 17 °F

    Mostly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 10. South wind 11 to 16 mph becoming west southwest after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 60%.

    Low: 10 °F

    Snow Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around -2. West northwest wind 6 to 10 mph.
Wednesday
Mostly sunny and cold, with a high near 10. Northwest wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around -6. North wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny and cold, with a high near 9. Calm wind becoming north northeast 5 to 7 mph in the morning.
Thursday Night
Partly cloudy, with a low around -12. North northeast wind around 7 mph.
Friday
Sunny and cold, with a high near 4. North northeast wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around -10. North wind 5 to 9 mph becoming south after midnight.
Saturday
A chance of snow after noon. Mostly sunny, with a high near 17. South wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 10. South wind 11 to 16 mph becoming west southwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Sunday
A chance of snow before noon. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
Partly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
A slight chance of snow. Partly sunny, with a high near 26. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
4:37 pm CST Jan 27, 2026
5pm CST Jan 27, 2026-6pm CST Feb 3, 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