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.

Fog/Mist

43°F

6°C

Humidity 100%
Wind Speed NW 13 G 26 mph
Barometer 30.00 in
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Wind Chill36°F (2°C)
Last update 26 Mar 11:15 pm EDT
Extended Forecast for

Koontz Lake IN

  • Tonight

    Tonight: Showers, mainly before midnight. Low around 32. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 41. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. North wind around 5 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. North wind 5 to 10 mph becoming southwest in the afternoon.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. South wind around 10 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers, mainly before midnight. Low around 32. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Partly sunny, with a high near 41. North wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 28. North wind around 5 mph.
Saturday
Sunny, with a high near 47. North wind 5 to 10 mph becoming southwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 37. South wind around 10 mph.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 71.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Thursday
Showers likely. Mostly cloudy, with a high near 64.
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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:
10:15 pm CDT Mar 26, 2026
Forecast Valid:
10pm CDT Mar 26, 2026-6pm CDT Apr 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