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 93%
Wind Speed W 14 G 22 mph
Barometer 30.14 in
Dewpoint 41°F (5°C)
Visibility 3.00 mi
Wind Chill36°F (2°C)
Last update 6 Apr 3:35 am EDT
Extended Forecast for

Koontz Lake IN

  • Overnight

    Overnight: A 50 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 39. West wind around 10 mph.

    Low: 39 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43. North wind 5 to 10 mph.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. East wind 5 to 10 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 50 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 39. West wind around 10 mph.
Monday
Partly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 27. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 43. North wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 32. East wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 68.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 63.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 66.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
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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:
1:30 am CDT Apr 6, 2026
Forecast Valid:
2am CDT Apr 6, 2026-6pm CDT Apr 12, 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