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

57°F

14°C

Humidity 67%
Wind Speed SW 7 mph
Barometer 29.61 in (1002.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 9:53 pm CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 44. West wind around 7 mph becoming east northeast after midnight.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: A slight chance of showers before 11am, then a chance of showers and thunderstorms after 1pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 69. East wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 69 °F

    Slight Chance
    Showers and
    Areas Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 41. Northeast wind 6 to 10 mph becoming west northwest after midnight. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers after 1pm. Partly sunny, with a high near 64. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 64 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 41. North wind 5 to 7 mph becoming east after midnight. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 67. East wind 6 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. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 74. South wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 1am. Partly cloudy, with a low around 39. South wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 44. West wind around 7 mph becoming east northeast after midnight.
Monday
A slight chance of showers before 11am, then a chance of showers and thunderstorms after 1pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 69. East wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Monday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 41. Northeast wind 6 to 10 mph becoming west northwest after midnight. Chance of precipitation is 20%.
Tuesday
A slight chance of showers after 1pm. Partly sunny, with a high near 64. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 41. North wind 5 to 7 mph becoming east after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 67. East wind 6 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. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 74. South wind 9 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A chance of showers, mainly after 1am. Partly cloudy, with a low around 39. South wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow showers before 10am, then a chance of rain showers between 10am and 4pm, then a chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 49. Breezy. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Partly sunny, with a high near 43. Chance of precipitation is 30%.
Saturday Night
A slight chance of snow showers. Partly cloudy, with a low around 25. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 51.
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Forecast Area
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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:
9:31 pm CDT Apr 12, 2026
Forecast Valid:
10pm CDT Apr 12, 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