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

36°F

2°C

Humidity 64%
Wind Speed SE 10 mph
Barometer 29.90 in (1014.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 7 Feb 6:53 pm CST
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. South southeast wind 5 to 10 mph becoming light and variable after midnight.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. South southwest wind 6 to 8 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

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

    High: 47 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Northwest wind 8 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Northwest wind 7 to 10 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. North wind around 6 mph becoming light and variable.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow after noon. Mostly cloudy, with a high near 38. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 23. Southeast wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. South southeast wind 5 to 10 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 44. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 31. South southwest wind 6 to 8 mph.
Monday
Mostly cloudy, with a high near 47. South wind 6 to 10 mph becoming north in the morning.
Monday Night
Mostly cloudy, with a low around 26. Northwest wind 8 to 10 mph.
Tuesday
Mostly sunny, with a high near 39. Northwest wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 23. North wind around 6 mph becoming light and variable.
Wednesday
A slight chance of snow after noon. Mostly cloudy, with a high near 38. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23. Southeast wind 6 to 8 mph. Chance of precipitation is 40%.
Thursday
A chance of snow, mainly before noon. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Sunny, with a high near 41.
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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)
Last Update:
7:36 pm CST Feb 7, 2026
Forecast Valid:
7pm CST Feb 7, 2026-6pm CST Feb 14, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation