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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

49°F

9°C

Humidity 83%
Wind Speed Calm
Barometer 30.08 in (1018.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 8 Oct 1:53 am CDT
Extended Forecast for

4 Miles W Clear Lake SD

  • Overnight

    Overnight: Isolated sprinkles after 4am. Mostly cloudy, with a low around 48. North wind around 5 mph.

    Low: 48 °F

    Isolated
    Sprinkles

  • Thursday

    Thursday: Isolated sprinkles before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 67. Light and variable wind becoming south southeast around 6 mph in the afternoon.

    High: 67 °F

    Isolated
    Sprinkles

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. East wind 6 to 8 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 76. South southeast wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.

    Low: 64 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy, with a south southwest wind 23 to 28 mph, with gusts as high as 43 mph.

    High: 81 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Breezy, with a south wind 20 to 23 mph, with gusts as high as 37 mph.

    Low: 61 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 72. Breezy, with a south southwest wind 15 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. North wind around 14 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Isolated sprinkles after 4am. Mostly cloudy, with a low around 48. North wind around 5 mph.
Thursday
Isolated sprinkles before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 67. Light and variable wind becoming south southeast around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. East wind 6 to 8 mph.
Friday
Sunny, with a high near 76. South southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 64. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 81. Breezy, with a south southwest wind 23 to 28 mph, with gusts as high as 43 mph.
Saturday Night
Mostly clear, with a low around 61. Breezy, with a south wind 20 to 23 mph, with gusts as high as 37 mph.
Sunday
Mostly sunny, with a high near 72. Breezy, with a south southwest wind 15 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 44. North wind around 14 mph, with gusts as high as 24 mph.
Columbus Day
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 41. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly sunny, with a high near 59. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Clear Lake SD
 44.76°N 96.78°W (Elev. 1906 ft)
Last Update:
2:21 am CDT Oct 8, 2026
Forecast Valid:
2am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

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Chance of Precipitation