Current conditions at

Plymouth (KC65)

Lat: 41.37°NLon: 86.3°WElev: 801ft.

Fair

81°F

27°C

Humidity 66%
Wind Speed SW 15 G 23 mph
Barometer 29.93 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 May 10:55 am EDT
Extended Forecast for

Koontz Lake IN

Severe T-storm Watch until May 18, 05:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until May 18, 05:00pm

    NOW until 5:00pm Mon

    Severe T-storm Watch

  • Today

    High: 84 °F

    Chance
    T-storms then
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 68 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before noon, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 83. Southwest wind 15 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers before 1am.  Mostly cloudy, with a low around 52. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. High near 84. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Showers and thunderstorms likely, mainly before noon, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 52. North wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 62. North wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 48.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
A slight chance of showers. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Koontz Lake IN
 41.41°N 86.48°W (Elev. 696 ft)
10:02 am CDT May 18, 2026
10am CDT May 18, 2026-6pm CDT May 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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