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

36°F

2°C

Humidity 87%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 32°F (0°C)
Visibility 4.00 mi
Last update 26 Feb 11:35 pm EST
Extended Forecast for

Koontz Lake IN

  • Tonight

    Tonight: Partly cloudy, with a low around 29. South wind around 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 56. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. South wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Partly sunny, with a high near 40. North wind 5 to 10 mph.

    High: 40 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North wind around 10 mph.

    Low: 22 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. South wind around 5 mph.
Friday
Sunny, with a high near 56. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 29. South wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
A 20 percent chance of snow after noon. Partly sunny, with a high near 40. North wind 5 to 10 mph.
Saturday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North wind around 10 mph.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 41.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Wednesday Night
Rain likely. Cloudy, with a low around 39.
Thursday
Rain likely. Cloudy, with a high near 59.
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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:
10:33 pm CST Feb 26, 2026
Forecast Valid:
10pm CST Feb 26, 2026-6pm CST Mar 5, 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