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

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

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Light Snow

13°F

-11°C

Humidity 81%
Wind Speed NW 20 mph
Barometer 29.78 in (1011.7 mb)
Dewpoint 8°F (-13°C)
Visibility 5.00 mi
Wind Chill-5°F (-21°C)
Last update 19 Feb 11:53 am CST
Extended Forecast for

Watertown SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 24. North northwest wind around 17 mph, with gusts as high as 28 mph.

    High: 24 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of flurries. Mostly cloudy, with a low around 8. Northwest wind around 15 mph, with gusts as high as 24 mph.

    Low: 8 °F

    Chance
    Flurries

  • Friday

    Friday: A chance of flurries before 7am. Mostly cloudy, with a high near 22. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 22 °F

    Chance
    Flurries

  • Friday Night

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

    Low: 7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 19. Northwest wind 7 to 11 mph.

    High: 19 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1. North northwest wind around 11 mph.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 15. North northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 15 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -1. North northwest wind 5 to 10 mph becoming light north northeast after midnight.

    Low: -1 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25. Light and variable wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 24. North northwest wind around 17 mph, with gusts as high as 28 mph.
Tonight
A chance of flurries. Mostly cloudy, with a low around 8. Northwest wind around 15 mph, with gusts as high as 24 mph.
Friday
A chance of flurries before 7am. Mostly cloudy, with a high near 22. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 7. Northwest wind 6 to 10 mph.
Saturday
Mostly sunny, with a high near 19. Northwest wind 7 to 11 mph.
Saturday Night
Partly cloudy, with a low around 1. North northwest wind around 11 mph.
Sunday
Mostly sunny, with a high near 15. North northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around -1. North northwest wind 5 to 10 mph becoming light north northeast after midnight.
Monday
Mostly sunny, with a high near 25. Light and variable wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
11:36 am CST Feb 19, 2026
Forecast Valid:
12pm CST Feb 19, 2026-6pm CST Feb 25, 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