National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Plymouth (KC65)

Lat: 41.37°NLon: 86.3°WElev: 801ft.

Fair

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Apr 12:15 am EDT
Extended Forecast for

Koontz Lake IN

Freeze Warning until April 20, 10:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until April 20, 10:00am

    NOW until 10:00am Mon

    Freeze Warning

  • Tonight

    Low: 28 °F

    Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 53. Calm wind becoming east around 5 mph.

    High: 53 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph.

    Low: 54 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Tonight
Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 28. North wind around 5 mph becoming calm.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 53. Calm wind becoming east around 5 mph.
Monday Night
Mostly clear, with a low around 42. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 66.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 46.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, 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:
11:30 pm CDT Apr 19, 2026
Forecast Valid:
11pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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