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

23°F

-5°C

Humidity 68%
Wind Speed E 6 mph
Barometer 30.45 in
Dewpoint 14°F (-10°C)
Visibility 7.00 mi
Wind Chill16°F (-9°C)
Last update 2 Mar 3:15 am EST
Extended Forecast for

Koontz Lake IN

  • Overnight

    Overnight: Mostly cloudy early, then becoming mostly clear, with a low around 25. East wind around 5 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43. Southeast wind 5 to 10 mph.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 30. East wind around 5 mph.

    Low: 30 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 9am. Mostly cloudy, with a high near 45. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37. East wind around 5 mph.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely. Cloudy, with a high near 54. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, then rain and possibly a thunderstorm after 9pm. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Thursday

    Thursday: Rain. High near 61. Chance of precipitation is 80%.

    High: 61 °F

    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy early, then becoming mostly clear, with a low around 25. East wind around 5 mph.
Monday
Sunny, with a high near 43. Southeast wind 5 to 10 mph.
Monday Night
A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 30. East wind around 5 mph.
Tuesday
Rain likely, mainly after 9am. Mostly cloudy, with a high near 45. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37. East wind around 5 mph.
Wednesday
Rain likely. Cloudy, with a high near 54. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain likely, then rain and possibly a thunderstorm after 9pm. Low around 48. Chance of precipitation is 80%.
Thursday
Rain. High near 61. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Friday Night
Rain and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
Saturday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Sunday
A slight chance of rain. Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Koontz Lake IN
 41.41°N 86.48°W (Elev. 696 ft)
Last Update:
2:17 am CST Mar 2, 2026
Forecast Valid:
2am CST Mar 2, 2026-6pm CDT Mar 8, 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