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 and Breezy

29°F

-2°C

Humidity 82%
Wind Speed N 22 mph
Barometer 30.04 in (1018.5 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 26 Mar 10:53 am CDT
Extended Forecast for

Watertown SD

  • Today

    Today: A slight chance of snow before 3pm, then a chance of sprinkles and flurries between 3pm and 4pm. Mostly cloudy, with a high near 36. Breezy, with a north wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Sprinkles/Snow
    and Breezy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 19. North wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 38. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 38 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. West northwest wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 23 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 58. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. South southeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66. South wind 10 to 13 mph.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. North northeast wind 9 to 13 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56. Northeast wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow before 3pm, then a chance of sprinkles and flurries between 3pm and 4pm. Mostly cloudy, with a high near 36. Breezy, with a north wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 19. North wind 6 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 38. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 22. West northwest wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 23 mph.
Saturday
Mostly sunny, with a high near 58. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 33 mph.
Saturday Night
Partly cloudy, with a low around 34. South southeast wind around 11 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 66. South wind 10 to 13 mph.
Sunday Night
Partly cloudy, with a low around 33. North northeast wind 9 to 13 mph.
Monday
Partly sunny, with a high near 56. Northeast wind 14 to 17 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Partly sunny, with a high near 63. Chance of precipitation is 20%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
10:21 am CDT Mar 26, 2026
Forecast Valid:
11am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation