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.

Overcast

29°F

-2°C

Humidity 51%
Wind Speed S 18 mph
Barometer 30.29 in (1028.4 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 7 Apr 10:53 am CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Today

    Today: Partly sunny, with a high near 40. Breezy, with a south wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 40 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Breezy, with a south wind 18 to 22 mph, with gusts as high as 37 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A slight chance of rain before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22. Blustery, with a west northwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 34 mph.

    Low: 22 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: A chance of snow after 1pm. Partly sunny, with a high near 41. Northwest wind around 6 mph. Chance of precipitation is 30%.

    High: 41 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. North northwest wind 3 to 6 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 53. West northwest wind 3 to 7 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. South southeast wind 6 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 59. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

    High: 59 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
Partly sunny, with a high near 40. Breezy, with a south wind 14 to 20 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 33. Breezy, with a south wind 18 to 22 mph, with gusts as high as 37 mph.
Wednesday
A slight chance of rain before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 22. Blustery, with a west northwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 34 mph.
Thursday
A chance of snow after 1pm. Partly sunny, with a high near 41. Northwest wind around 6 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 23. North northwest wind 3 to 6 mph.
Friday
Sunny, with a high near 53. West northwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 36. South southeast wind 6 to 10 mph.
Saturday
A chance of rain. Mostly cloudy, with a high near 59. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Sunday
A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Monday
A chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 50%.
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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:
11:16 am CDT Apr 7, 2026
Forecast Valid:
11am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation