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Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog

46°F

8°C

Humidity 96%
Wind Speed NE 10 mph
Barometer 29.75 in (1007.2 mb)
Dewpoint 45°F (7°C)
Visibility 0.25 mi
Wind Chill41°F (5°C)
Last update 13 Apr 4:53 am CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport 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: 43 °F

    Dense Fog

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Widespread dense fog, mainly before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 68. East wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 68 °F

    Slight Chance
    Showers and
    Dense Fog
    then Chance
    T-storms

  • 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 6 to 10 mph becoming north northwest after midnight. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. West northwest wind 6 to 10 mph.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. North wind 5 to 7 mph becoming east southeast after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Mostly sunny, with a high near 67. East southeast wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 44. East wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 74. South wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny

Detailed Forecast

Overnight
Widespread dense fog. Otherwise, cloudy, with a low around 43. North northeast wind around 13 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Widespread dense fog, mainly before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 68. 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 6 to 10 mph becoming north northwest after midnight. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 62. West northwest wind 6 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 40. North wind 5 to 7 mph becoming east southeast after midnight.
Wednesday
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 67. East southeast wind 5 to 9 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 44. East wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 74. South wind 8 to 16 mph, with gusts as high as 25 mph.
Thursday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 43. South southeast wind 11 to 15 mph, with gusts as high as 26 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 43. 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 NNE Watertown Municipal Airport SD
 44.97°N 97.12°W (Elev. 1745 ft)
Last Update:
5:36 am CDT Apr 13, 2026
Forecast Valid:
5am CDT Apr 13, 2026-6pm CDT Apr 19, 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