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.

Mostly Cloudy

37°F

3°C

Humidity 73%
Wind Speed SW 13 mph
Barometer 29.61 in (1004.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 8 Mar 2:53 am CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Overnight

    Overnight: A slight chance of rain before 4am. Partly cloudy, with a steady temperature around 38. West southwest wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Breezy, with a southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 61 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Southwest wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. North northeast wind 9 to 13 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 26. Northeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. Northeast wind 11 to 14 mph. Chance of precipitation is 20%.

    High: 39 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 23. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Northwest wind 6 to 9 mph becoming south after midnight.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of rain before 4am. Partly cloudy, with a steady temperature around 38. West southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 61. Breezy, with a southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 34. Southwest wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 48. North northeast wind 9 to 13 mph.
Monday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 26. Northeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. Northeast wind 11 to 14 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 37. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 22. Northwest wind 6 to 9 mph becoming south after midnight.
Thursday
A slight chance of rain and snow after 1pm. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 20%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 36.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 36. 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:
3:26 am CDT Mar 8, 2026
Forecast Valid:
3am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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