National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

60°F

16°C

Humidity 65%
Wind Speed S 10 mph
Barometer 29.95 in (1015.1 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Mar 12:53 pm CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. West southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. West southwest wind 6 to 10 mph becoming north northwest after midnight.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65. Light and variable wind becoming west 6 to 11 mph in the morning.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. West wind around 7 mph becoming south southwest after midnight.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 74 °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 32. North northeast wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly 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 21. North northwest wind 5 to 11 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 46. South wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 46 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. West southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 35. West southwest wind 6 to 10 mph becoming north northwest after midnight.
Friday
Mostly sunny, with a high near 65. Light and variable wind becoming west 6 to 11 mph in the morning.
Friday Night
Partly cloudy, with a low around 40. West wind around 7 mph becoming south southwest after midnight.
Saturday
Mostly sunny, with a high near 74. West southwest wind 8 to 11 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 32. North northeast wind 10 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 21. North northwest wind 5 to 11 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, with a high near 46. South wind 6 to 16 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 64.
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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:
1:06 pm CDT Mar 19, 2026
Forecast Valid:
1pm CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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