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.

Overcast

69°F

21°C

Humidity 70%
Wind Speed SE 9 G 17 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Sep 2:53 pm CDT
Extended Forecast for

6 Miles WSW Watertown SD

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 70. South southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. South wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 65. West wind 6 to 10 mph. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 55. West southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers after 1pm. Partly sunny, with a high near 69. West wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. West wind around 6 mph becoming light and variable in the evening.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76. South southwest wind 3 to 7 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. South southeast wind 3 to 5 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. South wind 5 to 10 mph becoming north in the afternoon.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 70. South southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. South wind 3 to 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 65. West wind 6 to 10 mph. Chance of precipitation is 50%.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 55. West southwest wind around 6 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers after 1pm. Partly sunny, with a high near 69. West wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 53. West wind around 6 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 76. South southwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 56. South southeast wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 77. South wind 5 to 10 mph becoming north in the afternoon.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
Last Update:
2:46 pm CDT Sep 18, 2025
Forecast Valid:
3pm CDT Sep 18, 2025-6pm CDT Sep 24, 2025
 
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