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

3°F

-16°C

Humidity 79%
Wind Speed NW 3 mph
Barometer 30.32 in (1031.3 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 29 Jan 10:53 am CST
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Today

    Today: Sunny, with a high near 13. North wind 3 to 5 mph.

    High: 13 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -9. Wind chill values as low as -23. North northeast wind 6 to 8 mph.

    Low: -9 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near 3. Wind chill values as low as -23. 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 -22. Calm wind becoming south southwest around 6 mph after midnight.

    Low: -11 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of snow after noon.  Mostly sunny, with a high near 19. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 30%.

    High: 19 °F

    Sunny then
    Chance Snow

  • Saturday Night

    Saturday Night: Snow.  Low around 12. South wind 13 to 18 mph becoming west after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 12 °F

    Snow

  • Sunday

    Sunday: A chance of snow before noon.  Mostly cloudy, with a high near 33. Northwest wind 13 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 8. North northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 22. North wind 5 to 7 mph becoming east southeast in the afternoon.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 13. North wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around -9. Wind chill values as low as -23. North northeast wind 6 to 8 mph.
Friday
Sunny and cold, with a high near 3. Wind chill values as low as -23. North northeast wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around -11. Wind chill values as low as -22. Calm wind becoming south southwest around 6 mph after midnight.
Saturday
A chance of snow after noon. Mostly sunny, with a high near 19. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 30%.
Saturday Night
Snow. Low around 12. South wind 13 to 18 mph becoming west after midnight. Winds could gust as high as 31 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 33. Northwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 8. North northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 22. North wind 5 to 7 mph becoming east southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 20%.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
11:17 am CST Jan 29, 2026
11am CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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Additional Resources

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