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

61°F

16°C

Humidity 81%
Wind Speed S 14 mph
Barometer 29.49 in (998.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Apr 8:53 am CDT
Extended Forecast for

6 Miles WSW Watertown SD

  • Today

    Today: Sunny, with a high near 80. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 44. West wind 6 to 14 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 67. East wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 40. North northeast wind 7 to 11 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 1pm. Partly sunny, with a high near 63. North wind 7 to 10 mph. Chance of precipitation is 30%.

    High: 63 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 42. North wind 6 to 9 mph becoming southeast after midnight. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Mostly sunny, with a high near 69. South southeast wind 6 to 11 mph. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 45. Southeast wind around 9 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 75. South wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 44. West wind 6 to 14 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 67. East wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 40. North northeast wind 7 to 11 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers after 1pm. Partly sunny, with a high near 63. North wind 7 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 42. North wind 6 to 9 mph becoming southeast after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 69. South southeast wind 6 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 45. Southeast wind around 9 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 75. South wind 10 to 18 mph, with gusts as high as 28 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 47. Breezy. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 30%.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 44. Chance of precipitation is 20%.
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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:
8:51 am CDT Apr 12, 2026
Forecast Valid:
9am CDT Apr 12, 2026-6pm CDT Apr 18, 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