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

34°F

1°C

Humidity 82%
Wind Speed Calm
Barometer 30.04 in (1018.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 19 Apr 12:53 am CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Overnight

    Overnight: A slight chance of snow showers before 4am. Mostly cloudy, with a low around 25. Northwest wind around 9 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Sunny, with a high near 44. North wind around 9 mph.

    High: 44 °F

    Sunny

  • Sunday Night

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

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 68 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. South southwest wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. North northeast wind around 8 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. East southeast wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Breezy, with a south southeast wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 83 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Breezy, with a south wind 22 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Breezy.
    Slight Chance
    Showers then
    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of snow showers before 4am. Mostly cloudy, with a low around 25. Northwest wind around 9 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 44. North wind around 9 mph.
Sunday Night
Mostly clear, with a low around 26. North wind 5 to 9 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 68. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Monday Night
Mostly clear, with a low around 39. South southwest wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 70. North northeast wind around 8 mph.
Tuesday Night
Mostly clear, with a low around 50. East southeast wind 9 to 13 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 83. Breezy, with a south southeast wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Breezy, with a south wind 22 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 50%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 73. Breezy. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 33. Breezy. Chance of precipitation is 40%.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 48. Breezy. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 48.
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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:
1:01 am CDT Apr 19, 2026
Forecast Valid:
1am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation