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.

Fair

30°F

-1°C

Humidity 58%
Wind Speed S 17 G 31 mph
Barometer 30.26 in (1027.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 28 Mar 7:53 am CDT
Extended Forecast for

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: 61 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. South southeast wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. Southeast wind 6 to 8 mph becoming northeast in the afternoon.

    High: 65 °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 69. East wind 10 to 15 mph becoming west southwest in the afternoon.

    High: 69 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 33. North wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 32 mph.

    High: 42 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. Blustery, with a north wind 15 to 20 mph decreasing to 8 to 13 mph after midnight.

    Low: 18 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Today
Mostly sunny, with a high near 61. Windy, with a south southwest wind 16 to 21 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 46 mph.
Tonight
Mostly cloudy, with a low around 32. South southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 65. Southeast wind 6 to 8 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 69. East wind 10 to 15 mph becoming west southwest in the afternoon.
Monday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 33. North wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 42. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly clear, with a low around 18. Blustery, with a north wind 15 to 20 mph decreasing to 8 to 13 mph after midnight.
Wednesday
Mostly sunny, with a high near 45. Northeast wind 7 to 14 mph becoming southeast in the afternoon.
Wednesday Night
A slight chance of snow after 1am. Partly cloudy, with a low around 28. Breezy. Chance of precipitation is 20%.
Thursday
A chance of rain and snow. Mostly sunny, with a high near 52. Breezy. 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:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
7:36 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation