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 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

21°F

-6°C

Humidity 85%
Wind Speed W 17 G 26 mph
Barometer 29.59 in (1004.5 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 18 Feb 6:53 pm CST
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. West northwest wind 14 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy blowing snow between 3pm and 5pm. Mostly cloudy, with a high near 27. North northwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 27 °F

    Mostly Cloudy
    then Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A chance of snow. Cloudy, with a low around 12. Northwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 12 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 20. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 20 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 19. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 19 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 2. North northwest wind around 10 mph.

    Low: 2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 18. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 18 °F

    Mostly Sunny

  • Sunday Night

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

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. West northwest wind 14 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph.
Thursday
Patchy blowing snow between 3pm and 5pm. Mostly cloudy, with a high near 27. North northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Thursday Night
A chance of snow. Cloudy, with a low around 12. Northwest wind 14 to 16 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 23 mph.
Friday Night
Mostly cloudy, with a low around 7. Northwest wind 6 to 10 mph.
Saturday
Partly sunny, with a high near 19. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 2. North northwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 18. North northwest wind 10 to 14 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 northeast after midnight.
Monday
Mostly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
7:36 pm CST Feb 18, 2026
Forecast Valid:
7pm 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation