National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

82°F

28°C

Humidity 37%
Wind Speed SW 14 G 23 mph
Barometer 29.80 in (1008.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 30 Jun 2:53 pm CDT
Extended Forecast for

3 Miles S Webster SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. West southwest wind around 18 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Southwest wind 6 to 11 mph becoming light south after midnight. Winds could gust as high as 21 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm. Patchy smoke after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 85. Southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. West northwest wind around 5 mph becoming light and variable in the evening.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 66. East southeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers

  • Friday

    Friday: Mostly sunny, with a high near 88. East wind 7 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 66. East southeast wind 7 to 11 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Independence Day

    Independence Day: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. East southeast wind around 8 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 83. West southwest wind around 18 mph.
Tonight
Increasing clouds, with a low around 63. Southwest wind 6 to 11 mph becoming light south after midnight. Winds could gust as high as 21 mph.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm. Patchy smoke after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 85. Southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 63. West northwest wind around 5 mph becoming light and variable in the evening.
Thursday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 66. East southeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 88. East wind 7 to 10 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 66. East southeast wind 7 to 11 mph. Chance of precipitation is 60%.
Independence Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. East southeast wind around 8 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 66.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Webster SD
 45.29°N 97.52°W (Elev. 1824 ft)
Last Update:
2:36 pm CDT Jun 30, 2026
Forecast Valid:
3pm CDT Jun 30, 2026-6pm CDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation