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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

67°F

19°C

Humidity 45%
Wind Speed NW 9 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 23 May 5:53 pm CDT
Extended Forecast for

4 Miles WSW Bryant SD

  • Tonight

    Tonight: Mostly clear, with a low around 46. Calm wind becoming south southeast 5 to 8 mph in the evening.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. South wind 9 to 11 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph becoming east southeast in the evening.

    Low: 54 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Partly sunny, then gradually becoming sunny, with a high near 87. South wind 9 to 11 mph.

    High: 87 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. South southeast wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Southeast wind 9 to 14 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 1pm. Mostly sunny, with a high near 84. Southeast wind 10 to 17 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58. East southeast wind 10 to 15 mph.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Calm wind becoming south southeast 5 to 8 mph in the evening.
Sunday
Sunny, with a high near 81. South wind 9 to 11 mph.
Sunday Night
Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph becoming east southeast in the evening.
Memorial Day
Partly sunny, then gradually becoming sunny, with a high near 87. South wind 9 to 11 mph.
Monday Night
Mostly clear, with a low around 58. South southeast wind around 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 88. South southeast wind 14 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 59. Southeast wind 9 to 14 mph.
Wednesday
A slight chance of showers after 1pm. Mostly sunny, with a high near 84. Southeast wind 10 to 17 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 58. East southeast wind 10 to 15 mph.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Bryant SD
 44.56°N 97.53°W (Elev. 1749 ft)
Last Update:
6:36 pm CDT May 23, 2026
Forecast Valid:
6pm CDT May 23, 2026-6pm CDT May 30, 2026
 
Forecast Discussion
 
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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