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

65°F

18°C

Humidity 87%
Wind Speed S 9 mph
Barometer 29.99 in (1014.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 Aug 1:53 am CDT
Extended Forecast for

4 Miles S Waubay SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. South wind around 9 mph.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. South wind around 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers after 4am. Increasing clouds, with a low around 64. South southwest wind 8 to 11 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind 8 to 17 mph, with gusts as high as 30 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. West northwest wind 10 to 16 mph, with gusts as high as 24 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. North northwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. North northwest wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. North wind 3 to 5 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Light and variable wind becoming southeast 5 to 8 mph in the evening.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. South wind around 9 mph.
Monday
Mostly sunny, with a high near 81. South wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers after 4am. Increasing clouds, with a low around 64. South southwest wind 8 to 11 mph. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 81. West wind 8 to 17 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 61. West northwest wind 10 to 16 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 78. North northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 57. North northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 78. North wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 58. Light and variable wind becoming southeast 5 to 8 mph in the evening.
Friday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 79. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Waubay SD
 45.27°N 97.3°W (Elev. 1745 ft)
Last Update:
2:06 am CDT Aug 24, 2026
Forecast Valid:
2am CDT Aug 24, 2026-6pm CDT Aug 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