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

69°F

21°C

Humidity 73%
Wind Speed NW 6 mph
Barometer 30.02 in (1015.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 25 Aug 10:53 pm CDT
Extended Forecast for

Bryant SD

  • Tonight

    Tonight: Clear, with a low around 58. Calm wind becoming west northwest 5 to 9 mph after midnight.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. North northwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. North northwest wind 5 to 10 mph becoming light north northeast after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. North wind 3 to 6 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Northeast wind 5 to 9 mph becoming east southeast after midnight.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 84 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Breezy, with a south southeast wind 18 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. South wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. South wind around 10 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 58. Calm wind becoming west northwest 5 to 9 mph after midnight.
Wednesday
Sunny, with a high near 79. North northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 55. North northwest wind 5 to 10 mph becoming light north northeast after midnight.
Thursday
Sunny, with a high near 81. North wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 57. Northeast wind 5 to 9 mph becoming east southeast after midnight.
Friday
Mostly sunny, with a high near 84. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 29 mph.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Breezy, with a south southeast wind 18 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 87. South wind 13 to 17 mph, with gusts as high as 26 mph.
Saturday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. South wind around 10 mph becoming northwest after midnight. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bryant SD
 44.58°N 97.47°W (Elev. 1811 ft)
Last Update:
11:41 pm CDT Aug 25, 2026
Forecast Valid:
11pm CDT Aug 25, 2026-6pm CDT Sep 1, 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