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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

20°F

-7°C

Humidity 81%
Wind Speed NW 20 G 24 mph
Barometer 29.63 in (1006.2 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 18 Feb 8:53 pm CST
Extended Forecast for

6 Miles WSW Watertown SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. West northwest wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 28 mph.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy blowing snow between 4pm and 5pm. Mostly cloudy, with a high near 27. North northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 27 °F

    Mostly Cloudy
    then Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 11. Northwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 11 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 20. Northwest wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 20 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6. Northwest wind 7 to 10 mph.

    Low: 6 °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: Mostly cloudy, with a low around 2. North northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 17. North northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 17 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -1. North northwest wind 5 to 9 mph becoming east after midnight.

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. West northwest wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 28 mph.
Thursday
Patchy blowing snow between 4pm and 5pm. Mostly cloudy, with a high near 27. North northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 11. Northwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 20. Northwest wind 11 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 6. Northwest wind 7 to 10 mph.
Saturday
Partly sunny, with a high near 19. Northwest wind 7 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 2. North northwest wind around 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 17. North northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around -1. North northwest wind 5 to 9 mph becoming east after midnight.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
Last Update:
9:36 pm CST Feb 18, 2026
Forecast Valid:
9pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation