Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

12°F

-11°C

Humidity 67%
Wind Speed N 8 mph
Barometer 30.30 in (1030.6 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 29 Jan 4:53 pm CST
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Tonight

    Tonight: Partly cloudy, with a low around -11. Wind chill values as low as -25. North northeast wind 6 to 9 mph.

    Low: -11 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near 3. Wind chill values as low as -26. North northeast wind 5 to 9 mph.

    High: 3 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -11. Wind chill values as low as -24. Calm wind becoming south 5 to 7 mph after midnight.

    Low: -11 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of snow after noon.  Patchy blowing snow after 1pm. Increasing clouds, with a high near 19. Wind chill values as low as -24. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 40%.

    High: 19 °F

    Mostly Sunny
    then Chance
    Snow and
    Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow.  Low around 13. South wind 13 to 18 mph becoming west after midnight. Winds could gust as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 13 °F

    Snow

  • Sunday

    Sunday: A chance of snow before noon.  Mostly cloudy, with a high near 31. Northwest wind 11 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 5. North northwest wind 5 to 10 mph becoming light north  after midnight.

    Low: 5 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 20. Light and variable wind becoming southeast 5 to 8 mph in the morning.

    High: 20 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of snow after midnight.  Mostly cloudy, with a low around 10. East southeast wind around 8 mph becoming south southwest after midnight.  Chance of precipitation is 20%.

    Low: 10 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around -11. Wind chill values as low as -25. North northeast wind 6 to 9 mph.
Friday
Sunny and cold, with a high near 3. Wind chill values as low as -26. North northeast wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around -11. Wind chill values as low as -24. Calm wind becoming south 5 to 7 mph after midnight.
Saturday
A chance of snow after noon. Patchy blowing snow after 1pm. Increasing clouds, with a high near 19. Wind chill values as low as -24. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 40%.
Saturday Night
Snow. Low around 13. South wind 13 to 18 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday
A chance of snow before noon. Mostly cloudy, with a high near 31. Northwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 5. North northwest wind 5 to 10 mph becoming light north after midnight.
Monday
Partly sunny, with a high near 20. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Monday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 10. East southeast wind around 8 mph becoming south southwest after midnight. Chance of precipitation is 20%.
Tuesday
A chance of snow. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 25.
Wednesday Night
Mostly cloudy, with a low around 11.
Thursday
Partly sunny, with a high near 33.
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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)
5:36 pm CST Jan 29, 2026
5pm CST Jan 29, 2026-6pm CST Feb 5, 2026
 
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Additional Resources

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