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.

Mostly Cloudy

66°F

19°C

Humidity 81%
Wind Speed SW 13 mph
Barometer 29.88 in (1010.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 5 Jun 1:53 am CDT
Extended Forecast for

Watertown SD

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 63. South wind around 13 mph. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 86. Light southeast wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 86 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Breezy, with a southeast wind 15 to 21 mph, with gusts as high as 31 mph.

    High: 89 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 84 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. North northwest wind 5 to 10 mph becoming light and variable. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 63. South wind around 13 mph. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 57. West northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 86. Light southeast wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 66. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 89. Breezy, with a southeast wind 15 to 21 mph, with gusts as high as 31 mph.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. North northwest wind 5 to 10 mph becoming light and variable. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Wednesday
Mostly sunny and hot, with a high near 95. Breezy.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Breezy. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94. Breezy. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
2:36 am CDT Jun 5, 2026
Forecast Valid:
2am CDT Jun 5, 2026-6pm CDT Jun 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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