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

37°F

3°C

Humidity 67%
Wind Speed N 15 mph
Barometer 29.72 in (1007.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 9 Mar 9:53 am CDT
Extended Forecast for

Willow Lake SD

  • Today

    Today: Sunny, with a high near 50. North wind 11 to 15 mph becoming east in the afternoon.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: A chance of snow, mainly before 2am. Increasing clouds, with a low around 26. Blustery, with a northeast wind 14 to 22 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow
    and Blustery

  • Tuesday

    Tuesday: A chance of snow after 1pm. Mostly cloudy, with a high near 40. Northeast wind 10 to 14 mph. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Cloudy, with a low around 24. North northeast wind 10 to 14 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow Likely

  • Wednesday

    Wednesday: A slight chance of snow before 1pm, then a slight chance of rain between 1pm and 4pm, then a slight chance of rain and snow after 4pm. Mostly sunny, with a high near 40. Northwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. West northwest wind 7 to 14 mph becoming south after midnight.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after 1pm. Mostly cloudy, with a high near 53. Breezy, with a south wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Blustery, with a west northwest wind 21 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow and
    Blustery

  • Friday

    Friday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. North northwest wind 10 to 14 mph. Chance of precipitation is 20%.

    High: 39 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 50. North wind 11 to 15 mph becoming east in the afternoon.
Tonight
A chance of snow, mainly before 2am. Increasing clouds, with a low around 26. Blustery, with a northeast wind 14 to 22 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow after 1pm. Mostly cloudy, with a high near 40. Northeast wind 10 to 14 mph. Chance of precipitation is 30%.
Tuesday Night
Snow likely, mainly before 1am. Cloudy, with a low around 24. North northeast wind 10 to 14 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
A slight chance of snow before 1pm, then a slight chance of rain between 1pm and 4pm, then a slight chance of rain and snow after 4pm. Mostly sunny, with a high near 40. Northwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 24. West northwest wind 7 to 14 mph becoming south after midnight.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 53. Breezy, with a south wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Blustery, with a west northwest wind 21 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Friday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. North northwest wind 10 to 14 mph. Chance of precipitation is 20%.
Friday Night
A chance of snow. Cloudy, with a low around 26. Chance of precipitation is 50%.
Saturday
A chance of snow. Cloudy, with a high near 42. Chance of precipitation is 50%.
Saturday Night
Snow likely. Cloudy, with a low around 17. Blustery. Chance of precipitation is 70%.
Sunday
A chance of snow. Mostly cloudy, with a high near 27. Blustery. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Willow Lake SD
 44.62°N 97.65°W (Elev. 1762 ft)
Last Update:
10:31 am CDT Mar 9, 2026
Forecast Valid:
10am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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