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.

A Few Clouds

40°F

4°C

Humidity 43%
Wind Speed N 8 mph
Barometer 30.27 in (1027.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 19 Apr 1:53 pm CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 40. North wind around 9 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. North northeast wind 5 to 9 mph becoming south southeast after midnight.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66. Breezy, with a south southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 66 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Southwest wind 5 to 13 mph becoming north after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. North northeast wind around 8 mph becoming east in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. East southeast wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Breezy, with a south wind 13 to 23 mph, with gusts as high as 37 mph.

    High: 85 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 57. Breezy, with a south wind 22 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 71. Breezy, with a south southwest wind 22 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 40. North wind around 9 mph.
Tonight
Mostly clear, with a low around 26. North northeast wind 5 to 9 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 66. Breezy, with a south southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.
Monday Night
Mostly clear, with a low around 40. Southwest wind 5 to 13 mph becoming north after midnight.
Tuesday
Sunny, with a high near 72. North northeast wind around 8 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 50. East southeast wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 85. Breezy, with a south wind 13 to 23 mph, with gusts as high as 37 mph.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 57. Breezy, with a south wind 22 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 71. Breezy, with a south southwest wind 22 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 40%.
Thursday Night
A slight chance of rain showers before 4am, then a slight chance of snow showers. Partly cloudy, with a low around 33. Breezy. Chance of precipitation is 20%.
Friday
A slight chance of snow showers. Mostly sunny, with a high near 52. Breezy. Chance of precipitation is 10%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 49.
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Forecast Area
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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:
2:36 pm CDT Apr 19, 2026
Forecast Valid:
2pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation