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.

Overcast

65°F

18°C

Humidity 31%
Wind Speed SW 12 mph
Barometer 29.76 in (1008.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 2 May 7:53 pm CDT
Extended Forecast for

Willow Lake SD

  • Tonight

    Tonight: A slight chance of showers before 9pm, then a slight chance of sprinkles between 9pm and 10pm. Mostly cloudy, with a low around 39. South southwest wind 10 to 13 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. North northwest wind 10 to 15 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers after 1pm. Partly sunny, with a high near 60. Breezy, with a west southwest wind 15 to 23 mph becoming north northwest in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

    High: 60 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. Breezy, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. North northwest wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. North northwest wind 9 to 14 mph becoming light and variable after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 1pm. Partly sunny, with a high near 52. Light and variable wind becoming northwest 6 to 11 mph in the morning. Chance of precipitation is 20%.

    High: 52 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 9pm, then a slight chance of sprinkles between 9pm and 10pm. Mostly cloudy, with a low around 39. South southwest wind 10 to 13 mph becoming north after midnight. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 65. North northwest wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 46. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Monday
A slight chance of showers after 1pm. Partly sunny, with a high near 60. Breezy, with a west southwest wind 15 to 23 mph becoming north northwest in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 32. Breezy, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.
Tuesday
Mostly sunny, with a high near 50. North northwest wind 9 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 30. North northwest wind 9 to 14 mph becoming light and variable after midnight.
Wednesday
A slight chance of showers after 1pm. Partly sunny, with a high near 52. Light and variable wind becoming northwest 6 to 11 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 31. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 66.
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:
7:36 pm CDT May 2, 2026
Forecast Valid:
8pm CDT May 2, 2026-6pm CDT May 9, 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