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

Willow Lake SD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 34. North northeast wind around 14 mph.

    High: 34 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. North northeast wind 10 to 14 mph becoming east southeast after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Breezy, with a south southeast wind 14 to 24 mph, with gusts as high as 36 mph.

    High: 40 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 32. Breezy, with a south wind 22 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A slight chance of rain before 1pm. Partly sunny, with a high near 54. Breezy, with a southwest wind 14 to 19 mph becoming west 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Breezy, with a west northwest wind 13 to 23 mph, with gusts as high as 31 mph.

    Low: 25 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: A chance of rain and snow after 1pm. Mostly sunny, with a high near 45. North northwest wind around 11 mph. Chance of precipitation is 30%.

    High: 45 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow. Partly cloudy, with a low around 26. North northeast wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 54. North northeast wind 6 to 9 mph becoming east southeast in the afternoon.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 34. North northeast wind around 14 mph.
Tonight
Mostly cloudy, with a low around 18. North northeast wind 10 to 14 mph becoming east southeast after midnight.
Tuesday
Partly sunny, with a high near 40. Breezy, with a south southeast wind 14 to 24 mph, with gusts as high as 36 mph.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 32. Breezy, with a south wind 22 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of rain before 1pm. Partly sunny, with a high near 54. Breezy, with a southwest wind 14 to 19 mph becoming west 20 to 25 mph in the afternoon. 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 northwest wind 13 to 23 mph, with gusts as high as 31 mph.
Thursday
A chance of rain and snow after 1pm. Mostly sunny, with a high near 45. North northwest wind around 11 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 26. North northeast wind 6 to 9 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 54. North northeast wind 6 to 9 mph becoming east southeast in the afternoon.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
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 50. Breezy. Chance of precipitation is 50%.
Sunday
A chance of rain. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 50%.
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:
2:36 pm CDT Apr 6, 2026
Forecast Valid:
3pm CDT Apr 6, 2026-6pm CDT Apr 12, 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