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 and Windy

49°F

9°C

Humidity 27%
Wind Speed SW 31 G 47 mph
Barometer 30.11 in (1021.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 28 Mar 11:53 am CDT
Extended Forecast for

Watertown SD

Wind Advisory March 28, 12:09pm until March 28, 05:00pm
Red Flag Warning March 28, 12:09pm until March 28, 09:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  •  
    Wind Advisory March 28, 12:09pm until March 28, 05:00pm
    Red Flag Warning March 28, 12:09pm until March 28, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 59 °F

    Patchy
    Blowing Dust
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. South southwest wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 70. Southeast wind 5 to 7 mph becoming west in the afternoon.

    High: 70 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West northwest wind 5 to 7 mph becoming east southeast after midnight.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 67. East wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Blustery, with a northeast wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Rain
    and Blustery

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 32 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18. North northeast wind 7 to 17 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Patchy blowing dust before 4pm. Mostly sunny, with a high near 59. Breezy, with a south southwest wind 22 to 25 mph, with gusts as high as 45 mph.
Tonight
Mostly cloudy, with a low around 33. South southwest wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 70. Southeast wind 5 to 7 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 38. West northwest wind 5 to 7 mph becoming east southeast after midnight.
Monday
Mostly sunny, with a high near 67. East wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Blustery, with a northeast wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 43. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 32 mph.
Tuesday Night
Partly cloudy, with a low around 18. North northeast wind 7 to 17 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 44. East 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. Chance of precipitation is 20%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 48. Breezy. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Breezy. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 48. 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:
11:36 am CDT Mar 28, 2026
Forecast Valid:
12pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation