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

72°F

22°C

Humidity 31%
Wind Speed NW 7 mph
Barometer 29.73 in (1006.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 25 Mar 4:53 pm CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Tonight

    Tonight: A chance of rain, mainly between 1am and 4am. Mostly cloudy, with a low around 35. West northwest wind 5 to 13 mph becoming east in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Partly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain and snow before 1pm, then a slight chance of rain between 1pm and 3pm. Mostly cloudy, with a high near 41. Breezy, with a north wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 41 °F

    Breezy.
    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. North wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 39. North northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 39 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. West northwest wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 58. South wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. South wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69. South wind 11 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. North northwest wind 8 to 10 mph becoming northeast after midnight.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain, mainly between 1am and 4am. Mostly cloudy, with a low around 35. West northwest wind 5 to 13 mph becoming east in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Thursday
A slight chance of rain and snow before 1pm, then a slight chance of rain between 1pm and 3pm. Mostly cloudy, with a high near 41. Breezy, with a north wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 18. North wind 9 to 15 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 39. North northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 23. West northwest wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 58. South wind 14 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, with a low around 37. South wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 69. South wind 11 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 34. North northwest wind 8 to 10 mph becoming northeast after midnight.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 67. Chance of precipitation is 20%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
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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:
4:36 pm CDT Mar 25, 2026
Forecast Valid:
5pm CDT Mar 25, 2026-6pm CDT Apr 1, 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