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.

A Few Clouds

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 26 Aug 8:15 pm EDT
Extended Forecast for

Koontz Lake IN

  • Tonight

    Tonight: Partly cloudy, with a low around 63. West wind around 5 mph becoming calm.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Light west wind becoming northwest 5 to 10 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. North wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming north around 5 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. West wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 79. Light west wind becoming northwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 56. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 79. Calm wind becoming north around 5 mph.
Friday Night
Mostly clear, with a low around 58. Calm wind.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 89.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Koontz Lake IN
 41.41°N 86.48°W (Elev. 696 ft)
Last Update:
5:16 pm CDT Aug 26, 2026
Forecast Valid:
7pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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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