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.

Fog

48°F

9°C

Humidity 100%
Wind Speed NE 10 mph
Barometer 29.74 in (1006.8 mb)
Dewpoint 48°F (9°C)
Visibility 0.25 mi
Wind Chill44°F (7°C)
Last update 13 Apr 3:53 am CDT
Extended Forecast for

5 Miles S Watertown SD

Dense Fog Advisory until April 13, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until April 13, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 49 °F

    Areas Dense
    Fog

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 70. East wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    T-storms and
    Areas Dense
    Fog

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 41. Northeast wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 1pm. Partly sunny, with a high near 63. West northwest wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 63 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. North wind 6 to 8 mph becoming east after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Mostly sunny, with a high near 67. East wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 1am. Partly cloudy, with a low around 43. East northeast wind 7 to 9 mph becoming south after midnight. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 75. South wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 75 °F

    Sunny

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, cloudy, with a steady temperature around 49. Northeast wind around 14 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 70. East wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 41. Northeast wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers after 1pm. Partly sunny, with a high near 63. West northwest wind 7 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 40. North wind 6 to 8 mph becoming east after midnight.
Wednesday
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 67. East wind 6 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 1am. Partly cloudy, with a low around 43. East northeast wind 7 to 9 mph becoming south after midnight. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 75. South wind 9 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 44. South southeast wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday
A chance of rain showers before 4pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 30%.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 44. Breezy. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Watertown SD
 44.84°N 97.14°W (Elev. 1768 ft)
Last Update:
3:47 am CDT Apr 13, 2026
Forecast Valid:
4am CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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