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

42°F

6°C

Humidity 96%
Wind Speed S 6 mph
Barometer 29.81 in (1009.7 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 21 Mar 1:53 am CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Overnight

    Overnight: Mostly clear, with a low around 44. Calm wind becoming south around 6 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Southwest wind around 11 mph becoming west northwest in the morning.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of rain, mainly between 1am and 3am. Mostly cloudy, with a low around 31. North wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Partly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 42. North wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. North northwest wind 5 to 8 mph becoming light and variable.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of rain after 1pm. Partly sunny, with a high near 50. South wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 50 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. South southeast wind 10 to 13 mph becoming east in the afternoon. Winds could gust as high as 22 mph.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. East wind around 11 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Calm wind becoming south around 6 mph.
Saturday
Sunny, with a high near 76. Southwest wind around 11 mph becoming west northwest in the morning.
Saturday Night
A chance of rain, mainly between 1am and 3am. Mostly cloudy, with a low around 31. North wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 42. North wind 11 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 25. North northwest wind 5 to 8 mph becoming light and variable.
Monday
A slight chance of rain after 1pm. Partly sunny, with a high near 50. South wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 35. South wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
Mostly cloudy, with a high near 54. South southeast wind 10 to 13 mph becoming east in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 34. East wind around 11 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 44. Breezy.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Watertown Municipal Airport SD
 44.97°N 97.12°W (Elev. 1745 ft)
Last Update:
1:31 am CDT Mar 21, 2026
Forecast Valid:
2am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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