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

Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

24°F

-4°C

Humidity 91%
Wind Speed NW 3 mph
Barometer 30.19 in (1024.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 12 Nov 9:53 pm CST
Extended Forecast for

2 Miles ESE Watertown Municipal Airport SD

  • Tonight

    Tonight: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. South southeast wind around 8 mph.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. South wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 46. South wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. South wind 14 to 16 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50. Breezy, with a south wind 16 to 21 mph, with gusts as high as 36 mph.

    High: 50 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. Breezy, with a south wind 16 to 20 mph, with gusts as high as 32 mph.

    Low: 38 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Calm wind.
Friday
Sunny, with a high near 38. Calm wind becoming southeast 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 22. South southeast wind around 8 mph.
Saturday
Mostly sunny, with a high near 39. South wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 28. South wind around 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 46. South wind 10 to 15 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 34. South wind 14 to 16 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 50. Breezy, with a south wind 16 to 21 mph, with gusts as high as 36 mph.
Monday Night
Partly cloudy, with a low around 38. Breezy, with a south wind 16 to 20 mph, with gusts as high as 32 mph.
Tuesday
Partly sunny, with a high near 49. Breezy.
Tuesday Night
Mostly cloudy, with a low around 42. Breezy.
Wednesday
Mostly cloudy, with a high near 53. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Thursday
A chance of rain. Partly sunny, with a high near 50. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
10:11 pm CST Nov 12, 2026
Forecast Valid:
10pm CST Nov 12, 2026-6pm CST Nov 19, 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