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.

Partly Cloudy

59°F

15°C

Humidity 94%
Wind Speed SW 8 mph
Barometer 29.66 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Nov 6:15 am EST
Extended Forecast for

Koontz Lake IN

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 68. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 45. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Northwest wind 5 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. West wind around 5 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.

    Low: 33 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.

    High: 42 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 68. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 37. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 45. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 29. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 47. West wind around 5 mph.
Monday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.
Tuesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 32.
Wednesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 48.
Wednesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 35.
Thursday
Showers likely. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 54.
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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:
4:45 am CST Nov 15, 2025
Forecast Valid:
5am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
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