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.

Mostly Cloudy

31°F

-1°C

Humidity 67%
Wind Speed NW 20 G 28 mph
Barometer 30.05 in (1019.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Apr 2:53 am CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 30. West northwest wind around 15 mph, with gusts as high as 31 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Snow likely, mainly after 4pm. Increasing clouds, with a high near 41. North northwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 41 °F

    Mostly Sunny
    then Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. North northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 22 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 54. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 54 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely, mainly before 1pm. Cloudy, with a high near 60. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely
    and Breezy

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 53. Breezy, with a south southeast wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance Rain
    and Breezy

  • Sunday

    Sunday: A chance of rain, mainly after 1pm. Mostly sunny, with a high near 76. Breezy, with a south wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. West southwest wind 8 to 13 mph becoming north northeast after midnight. Winds could gust as high as 22 mph.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 30. West northwest wind around 15 mph, with gusts as high as 31 mph.
Thursday
Snow likely, mainly after 4pm. Increasing clouds, with a high near 41. North northwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. North northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Friday
Partly sunny, then gradually becoming sunny, with a high near 54. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 37. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Saturday
Rain likely, mainly before 1pm. Cloudy, with a high near 60. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 53. Breezy, with a south southeast wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Sunday
A chance of rain, mainly after 1pm. Mostly sunny, with a high near 76. Breezy, with a south wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 46. West southwest wind 8 to 13 mph becoming north northeast after midnight. Winds could gust as high as 22 mph.
Monday
A chance of rain, mainly after 1pm. Partly sunny, with a high near 64. Chance of precipitation is 50%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 54. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
3:36 am CDT Apr 9, 2026
Forecast Valid:
3am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation