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

Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

40°F

4°C

Humidity 70%
Wind Speed NW 14 mph
Barometer 30.05 in (1018.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 20 Nov 11:53 am CST
Extended Forecast for

Watertown SD

  • This Afternoon

    This Afternoon: Partly sunny, with a steady temperature around 41. West northwest wind 6 to 14 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. West wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. South southwest wind 7 to 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. West wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. West wind 5 to 8 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. West southwest wind 5 to 8 mph becoming south in the afternoon.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. South wind around 7 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: A chance of rain, mainly after noon. Partly sunny, with a high near 49. South wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a steady temperature around 41. West northwest wind 6 to 14 mph.
Tonight
Mostly clear, with a low around 26. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 47. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 31. South southwest wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 50. West wind 9 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 30. West wind 5 to 8 mph.
Sunday
Sunny, with a high near 51. West southwest wind 5 to 8 mph becoming south in the afternoon.
Sunday Night
Partly cloudy, with a low around 34. South wind around 7 mph.
Monday
A chance of rain, mainly after noon. Partly sunny, with a high near 49. South wind 7 to 9 mph. Chance of precipitation is 30%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
12:06 pm CST Nov 20, 2025
Forecast Valid:
12pm CST Nov 20, 2025-6pm CST Nov 26, 2025
 
Forecast Discussion
 
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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