Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

7°F

-14°C

Humidity 80%
Wind Speed NW 10 mph
Barometer 29.84 in (1014.3 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 20 Feb 9:53 am CST
Extended Forecast for

Watertown SD

  • Today

    Today: Mostly cloudy, with a high near 17. West northwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 17 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 3. Northwest wind 6 to 9 mph.

    Low: 3 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 19. Northwest wind 7 to 13 mph.

    High: 19 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1. North northwest wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 14. North northwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 14 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -5. North northwest wind 6 to 11 mph becoming light northeast  after midnight.

    Low: -5 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 24. Light and variable wind becoming south 9 to 14 mph in the morning.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. South wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Southwest wind 10 to 13 mph becoming northwest in the afternoon.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 17. West northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 3. Northwest wind 6 to 9 mph.
Saturday
Partly sunny, with a high near 19. Northwest wind 7 to 13 mph.
Saturday Night
Partly cloudy, with a low around 1. North northwest wind 9 to 11 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 14. North northwest wind 11 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around -5. North northwest wind 6 to 11 mph becoming light northeast after midnight.
Monday
Sunny, with a high near 24. Light and variable wind becoming south 9 to 14 mph in the morning.
Monday Night
Partly cloudy, with a low around 16. South wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 40. Southwest wind 10 to 13 mph becoming northwest in the afternoon.
Tuesday Night
A chance of snow after midnight. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Wednesday
A slight chance of snow. Partly sunny, with a high near 33. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
10:21 am CST Feb 20, 2026
10am CST Feb 20, 2026-6pm CST Feb 26, 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