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

64°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 30.00 in (1014.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 4 Jul 2:53 am CDT
Extended Forecast for

5 Miles S Watertown SD

  • Overnight

    Overnight: A chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 86. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 11pm. Partly cloudy, with a low around 63. North northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. East southeast wind 6 to 9 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 90. South wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 68. South southeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southeast wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. East southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
A chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 86. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 11pm. Partly cloudy, with a low around 63. North northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 66. East southeast wind 6 to 9 mph.
Monday
Sunny and hot, with a high near 90. South wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 68. South southeast wind around 8 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. East southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 62.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Watertown SD
 44.84°N 97.14°W (Elev. 1768 ft)
Last Update:
2:36 am CDT Jul 4, 2026
Forecast Valid:
3am CDT Jul 4, 2026-6pm CDT Jul 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation