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.

Partly Cloudy

39°F

4°C

Humidity 67%
Wind Speed SW 14 mph
Barometer 29.64 in (1005.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 8 Mar 12:53 am CDT
Extended Forecast for

Willow Lake SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 37. Southwest wind 9 to 11 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 64 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. West southwest wind 10 to 15 mph becoming north northeast after midnight.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51. East northeast wind around 14 mph.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 29 mph.

    Low: 27 °F

    Partly Cloudy
    and Blustery

  • Tuesday

    Tuesday: A chance of snow after noon. Mostly cloudy, with a high near 41. Northeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 23. North wind 13 to 15 mph. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow before noon. Mostly sunny, with a high near 39. Northwest wind 13 to 17 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Northwest wind 7 to 13 mph becoming south after midnight.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 37. Southwest wind 9 to 11 mph.
Sunday
Mostly sunny, with a high near 64. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 35. West southwest wind 10 to 15 mph becoming north northeast after midnight.
Monday
Mostly sunny, with a high near 51. East northeast wind around 14 mph.
Monday Night
Partly cloudy, with a low around 27. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 29 mph.
Tuesday
A chance of snow after noon. Mostly cloudy, with a high near 41. Northeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23. North wind 13 to 15 mph. Chance of precipitation is 40%.
Wednesday
A slight chance of snow before noon. Mostly sunny, with a high near 39. Northwest wind 13 to 17 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 25. Northwest wind 7 to 13 mph becoming south after midnight.
Thursday
A slight chance of rain after noon. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 20%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Blustery. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 40. Breezy.
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 39. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Willow Lake SD
 44.62°N 97.65°W (Elev. 1762 ft)
Last Update:
11:36 pm CST Mar 7, 2026
Forecast Valid:
12am CST Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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