National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Plymouth (KC65)

Lat: 41.37°NLon: 86.3°WElev: 801ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update 29 Jul 12:35 am EDT
Extended Forecast for

Koontz Lake IN

  • Tonight

    Tonight: Partly cloudy, with a low around 59. North wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 79. North wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59. North wind 5 to 10 mph becoming light northwest in the evening.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance Rain
    then Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 80.

    High: 80 °F

    Chance Rain
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of rain and thunderstorms before 1am, then a slight chance of rain. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. North wind 5 to 10 mph.
Wednesday
Sunny, with a high near 79. North wind 5 to 10 mph.
Wednesday Night
Clear, with a low around 59. North wind 5 to 10 mph becoming light northwest in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83.
Friday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 80.
Saturday Night
A chance of rain and thunderstorms before 1am, then a slight chance of rain. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
A 20 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 62.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 63.
Tuesday
A slight chance of rain. Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Koontz Lake IN
 41.41°N 86.48°W (Elev. 696 ft)
Last Update:
9:18 pm CDT Jul 28, 2026
Forecast Valid:
11pm CDT Jul 28, 2026-6pm CDT Aug 4, 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