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 89%
Wind Speed NW 6 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 7 Oct 2:53 am CDT
Extended Forecast for

4 Miles SW Lily SD

  • Overnight

    Overnight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Light northwest wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 28 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. North northwest wind 5 to 9 mph becoming light after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming south around 6 mph in the afternoon.

    High: 66 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Southeast wind 5 to 8 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74. South wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South southeast wind 10 to 17 mph, with gusts as high as 29 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Breezy, with a south wind 18 to 24 mph, with gusts as high as 37 mph.

    High: 80 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Breezy, with a south wind 16 to 20 mph, with gusts as high as 31 mph.

    Low: 58 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Calm wind.
Wednesday
Sunny, with a high near 72. Light northwest wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 28 mph.
Wednesday Night
Mostly cloudy, with a low around 46. North northwest wind 5 to 9 mph becoming light after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50. Southeast wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 74. South wind 9 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 62. South southeast wind 10 to 17 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 80. Breezy, with a south wind 18 to 24 mph, with gusts as high as 37 mph.
Saturday Night
Mostly clear, with a low around 58. Breezy, with a south wind 16 to 20 mph, with gusts as high as 31 mph.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.
Columbus Day
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Lily SD
 45.14°N 97.72°W (Elev. 1781 ft)
Last Update:
3:21 am CDT Oct 7, 2026
Forecast Valid:
3am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation