National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

23°F

-5°C

Humidity 63%
Wind Speed SE 20 G 32 mph
Barometer 30.09 in (1021.7 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 7 Feb 8:53 am CST
Extended Forecast for

Watertown SD

  • Today

    Today: Mostly cloudy, with a high near 38. Breezy, with a south wind 13 to 22 mph, with gusts as high as 30 mph.

    High: 38 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. South southeast wind 5 to 10 mph becoming north northwest after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. Light and variable wind becoming southwest 5 to 9 mph in the morning.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Southwest wind 6 to 9 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 47. West wind 6 to 10 mph becoming east in the morning.

    High: 47 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Northwest wind around 10 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 40. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 40 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. North northwest wind around 7 mph becoming southeast after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 40. South wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 40 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 38. Breezy, with a south wind 13 to 22 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 24. South southeast wind 5 to 10 mph becoming north northwest after midnight.
Sunday
Mostly sunny, with a high near 45. Light and variable wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 30. Southwest wind 6 to 9 mph.
Monday
Mostly cloudy, with a high near 47. West wind 6 to 10 mph becoming east in the morning.
Monday Night
Mostly cloudy, with a low around 29. Northwest wind around 10 mph.
Tuesday
Mostly cloudy, with a high near 40. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 23. North northwest wind around 7 mph becoming southeast after midnight.
Wednesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 40. South wind 6 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Thursday
A chance of snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
8:36 am CST Feb 7, 2026
Forecast Valid:
9am CST Feb 7, 2026-6pm CST Feb 13, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation