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

77°F

25°C

Humidity 52%
Wind Speed S 12 mph
Barometer 30.09 in (1018.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Aug 12:53 pm CDT
Extended Forecast for

2 Miles WSW Hayti SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. South wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 80. South wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. South wind 6 to 9 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. West northwest wind 7 to 14 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Northwest wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. North northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming north 5 to 7 mph in the morning.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. South wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind around 8 mph. Chance of precipitation is 30%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 80. South wind 9 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 63. South wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 84. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 60. West northwest wind 7 to 14 mph.
Wednesday
Sunny, with a high near 79. Northwest wind 8 to 17 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 57. North northwest wind 5 to 10 mph becoming light north after midnight.
Thursday
Sunny, with a high near 79. Calm wind becoming north 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 40%.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hayti SD
 44.65°N 97.23°W (Elev. 1644 ft)
Last Update:
12:00 pm CDT Aug 23, 2026
Forecast Valid:
1pm CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation