National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

A Few Clouds

27°F

-3°C

Humidity 69%
Wind Speed S 17 mph
Barometer 30.29 in (1028.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 28 Mar 6:53 am CDT
Extended Forecast for

6 Miles WSW Watertown SD

Wind Advisory until March 28, 05:00pm
Red Flag Warning March 28, 10:00am until March 28, 09:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  •  
    Wind Advisory until March 28, 05:00pm

    NOW until 5:00pm Sat

    Wind Advisory

  • Today

    High: 62 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South southwest wind 7 to 13 mph becoming southeast after midnight. Winds could gust as high as 22 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Southeast wind 6 to 9 mph becoming northeast in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. East wind 7 to 10 mph.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71. East wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Breezy, with a north wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44. Breezy, with a northwest wind around 22 mph, with gusts as high as 33 mph.

    High: 44 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. Blustery, with a north northeast wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 29 mph.

    Low: 18 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Today
Mostly sunny, with a high near 62. Windy, with a south southwest wind 16 to 21 mph increasing to 28 to 33 mph in the morning. Winds could gust as high as 50 mph.
Tonight
Mostly cloudy, with a low around 34. South southwest wind 7 to 13 mph becoming southeast after midnight. Winds could gust as high as 22 mph.
Sunday
Mostly sunny, with a high near 66. Southeast wind 6 to 9 mph becoming northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 38. East wind 7 to 10 mph.
Monday
Partly sunny, with a high near 71. East wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Breezy, with a north wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 44. Breezy, with a northwest wind around 22 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 18. Blustery, with a north northeast wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly sunny, with a high near 46. East northeast wind 7 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
A slight chance of snow after 1am. Partly cloudy, with a low around 30. Breezy. Chance of precipitation is 20%.
Thursday
A chance of rain and snow. Mostly sunny, with a high near 53. Windy. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 51. Breezy. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
Last Update:
6:36 am CDT Mar 28, 2026
Forecast Valid:
7am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation