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

32°F

0°C

Humidity 41%
Wind Speed N 16 G 24 mph
Barometer 30.46 in (1033.8 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 6 Apr 2:53 pm CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 32. North wind around 13 mph, with gusts as high as 25 mph.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. North northeast wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 40 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Breezy, with a south wind 18 to 20 mph, with gusts as high as 33 mph.

    Low: 31 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday

    Wednesday: A slight chance of rain before 1pm. Partly sunny, with a high near 53. Breezy, with a south southwest wind 13 to 22 mph becoming west northwest in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Breezy, with a west wind 10 to 20 mph, with gusts as high as 32 mph.

    Low: 25 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: A slight chance of rain and snow after 1pm. Mostly sunny, with a high near 44. Northwest wind around 9 mph. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before 1am, then a slight chance of snow. Partly cloudy, with a low around 24. North wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: Sunny, with a high near 53. North northwest wind 3 to 8 mph.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 32. North wind around 13 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 16. North northeast wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 40. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 31. Breezy, with a south wind 18 to 20 mph, with gusts as high as 33 mph.
Wednesday
A slight chance of rain before 1pm. Partly sunny, with a high near 53. Breezy, with a south southwest wind 13 to 22 mph becoming west northwest in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 25. Breezy, with a west wind 10 to 20 mph, with gusts as high as 32 mph.
Thursday
A slight chance of rain and snow after 1pm. Mostly sunny, with a high near 44. Northwest wind around 9 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain and snow before 1am, then a slight chance of snow. Partly cloudy, with a low around 24. North wind 3 to 7 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 53. North northwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 35.
Saturday
A chance of rain. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Sunday
A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
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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:
3:36 pm CDT Apr 6, 2026
Forecast Valid:
3pm CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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