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

46°F

8°C

Humidity 93%
Wind Speed Calm
Barometer 30.10 in (1019.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 8 Oct 7:53 am CDT
Extended Forecast for

4 Miles SW Wallace SD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 67 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 47. East southeast wind 6 to 9 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Southeast wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Breezy, with a south wind 14 to 20 mph, with gusts as high as 32 mph.

    Low: 66 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy, with a south wind 21 to 23 mph, with gusts as high as 38 mph.

    High: 81 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. South wind 15 to 17 mph, with gusts as high as 30 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 70. South southeast wind around 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 42. North wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 53. North wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 53 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 47. East southeast wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 76. Southeast wind 10 to 15 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 66. Breezy, with a south wind 14 to 20 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 81. Breezy, with a south wind 21 to 23 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 61. South wind 15 to 17 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 70. South southeast wind around 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 42. North wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Columbus Day
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 53. North wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 38.
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 60. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Wallace SD
 45.03°N 97.54°W (Elev. 1860 ft)
Last Update:
7:21 am CDT Oct 8, 2026
Forecast Valid:
8am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation