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

48°F

9°C

Humidity 89%
Wind Speed Calm
Barometer 30.04 in (1017.0 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 5:53 am CDT
Extended Forecast for

Bryant SD

  • Today

    Today: Sunny, with a high near 76. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 3am. Mostly cloudy, with a low around 55. East wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Cloudy, with a high near 70. East northeast wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 52. North northeast wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 1pm. Partly sunny, with a high near 74. Northeast wind around 7 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. South southeast wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 73. Southwest wind 10 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. West northwest wind 7 to 15 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Northwest wind 9 to 14 mph.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Calm wind becoming east northeast around 5 mph in the afternoon.
Tonight
A chance of showers, mainly after 3am. Mostly cloudy, with a low around 55. East wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday
Showers likely, mainly after 2pm. Cloudy, with a high near 70. East northeast wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 52. North northeast wind 6 to 10 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers before 1pm. Partly sunny, with a high near 74. Northeast wind around 7 mph becoming south in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. South southeast wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Southwest wind 10 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 51. West northwest wind 7 to 15 mph.
Wednesday
Mostly sunny, with a high near 73. Northwest wind 9 to 14 mph.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Bryant SD
 44.58°N 97.44°W (Elev. 1801 ft)
Last Update:
5:36 am CDT Jun 20, 2026
Forecast Valid:
6am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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