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.

Fair

46°F

8°C

Humidity 76%
Wind Speed S 10 G 16 mph
Barometer 29.81 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 9 Mar 4:55 am EDT
Extended Forecast for

Koontz Lake IN

  • Today

    Today: Sunny, with a high near 69. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 55. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. Southwest wind around 10 mph. Chance of precipitation is 30%.

    High: 72 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 47. South wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 47 °F

    T-storms

  • Wednesday

    Wednesday: Showers, mainly before 1pm. High near 58. West wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain and snow likely, mainly after 1am. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 60%.

    Low: 38 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Friday

    Friday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 50. Breezy.

    High: 50 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 69. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 55. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. Southwest wind around 10 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 47. South wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers, mainly before 1pm. High near 58. West wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Rain and snow likely, mainly after 1am. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 60%.
Friday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 50. Breezy.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Saturday Night
A 50 percent chance of rain. Cloudy, with a low around 37.
Sunday
Rain likely. Cloudy, with a high near 52.
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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:
4:01 am CDT Mar 9, 2026
Forecast Valid:
4am CDT Mar 9, 2026-6pm CDT Mar 15, 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