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Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog/Mist

30°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 29.97 in (1016.1 mb)
Dewpoint 29°F (-2°C)
Visibility 0.75 mi
Last update 19 Mar 4:53 am CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Today

    Today: Widespread dense fog, mainly before 9am. Widespread dense freezing fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 57 °F

    Dense
    Freezing Fog
    and Dense Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. West southwest wind 7 to 10 mph becoming northwest after midnight.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. West wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. West wind 6 to 8 mph becoming south after midnight.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 33. North northeast wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of snow before 7am. Partly sunny, with a high near 42. North northwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 10%.

    High: 42 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22. North wind 6 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 46. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
Widespread dense fog, mainly before 9am. Widespread dense freezing fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Partly cloudy, with a low around 38. West southwest wind 7 to 10 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 63. West wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 41. West wind 6 to 8 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 72. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Saturday Night
A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 33. North northeast wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Sunday
A slight chance of snow before 7am. Partly sunny, with a high near 42. North northwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 10%.
Sunday Night
Mostly clear, with a low around 22. North wind 6 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, with a high near 46. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
4:36 am CDT Mar 19, 2026
Forecast Valid:
4am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation