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

-3°F

-19°C

Humidity 75%
Wind Speed NW 13 mph
Barometer 30.24 in (1028.4 mb)
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Wind Chill-22°F (-30°C)
Last update 27 Jan 7:53 am CST
Extended Forecast for

5 Miles WSW Watertown SD

  • Today

    Today: Sunny and cold, with a high near 8. Wind chill values as low as -22. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 8 °F

    Cold

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 2. West wind 6 to 8 mph.

    Low: 2 °F

    Partly Cloudy

  • Wednesday

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

    High: 10 °F

    Cold

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -9. North northwest wind 3 to 6 mph.

    Low: -9 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 8. North wind 3 to 8 mph.

    High: 8 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -13. North northeast wind around 7 mph.

    Low: -13 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near 4. North northeast wind 6 to 8 mph.

    High: 4 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -10. North wind 5 to 8 mph becoming south after midnight.

    Low: -10 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of snow after noon.  Partly sunny, with a high near 18. South wind 9 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    High: 18 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Sunny and cold, with a high near 8. Wind chill values as low as -22. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a steady temperature around 2. West wind 6 to 8 mph.
Wednesday
Mostly sunny and cold, with a high near 10. North northwest wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around -9. North northwest wind 3 to 6 mph.
Thursday
Sunny and cold, with a high near 8. North wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around -13. North northeast wind around 7 mph.
Friday
Sunny and cold, with a high near 4. North northeast wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around -10. North wind 5 to 8 mph becoming south after midnight.
Saturday
A slight chance of snow after noon. Partly sunny, with a high near 18. South wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 40%.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
7:36 am CST Jan 27, 2026
8am CST Jan 27, 2026-6pm CST Feb 2, 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