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

45°F

7°C

Humidity 53%
Wind Speed S 7 G 14 mph
Barometer 30.08 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 21 Apr 6:55 am EDT
Extended Forecast for

Koontz Lake IN

  • Today

    Today: Mostly sunny, with a high near 75. Southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. North wind around 5 mph becoming west in the morning.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Southwest wind around 5 mph becoming south in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 61. Chance of precipitation is 20%.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 75. Southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 75. North wind around 5 mph becoming west in the morning.
Wednesday Night
Mostly clear, with a low around 57. Southwest wind around 5 mph becoming south in the evening.
Thursday
Mostly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Friday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 75. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
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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:
5:45 am CDT Apr 21, 2026
Forecast Valid:
6am CDT Apr 21, 2026-6pm CDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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