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

68°F

20°C

Humidity 73%
Wind Speed Calm
Barometer 30.12 in (1019.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 27 Sep 6:53 pm CDT
Extended Forecast for

Bradley SD

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 56. East northeast wind 3 to 8 mph.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Mostly cloudy, with a high near 70. South southeast wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 70 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 60. South wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Slight Chance
    T-storms then
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Light south wind.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers. Partly sunny, with a high near 70. West southwest wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. North northwest wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. North northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Northwest wind 3 to 5 mph.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 56. East northeast wind 3 to 8 mph.
Monday
Mostly cloudy, with a high near 70. South southeast wind 9 to 17 mph, with gusts as high as 28 mph.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 60. South wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 55. Light south wind.
Wednesday
A slight chance of showers. Partly sunny, with a high near 70. West southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 51. North northwest wind 5 to 10 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 61. North northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 45. Northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bradley SD
 45.09°N 97.63°W (Elev. 1798 ft)
Last Update:
6:21 pm CDT Sep 27, 2026
Forecast Valid:
6pm CDT Sep 27, 2026-6pm CDT Oct 4, 2026
 
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