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.

Fog/Mist

27°F

-3°C

Humidity 86%
Wind Speed SW 7 mph
Barometer 29.94 in
Dewpoint 23°F (-5°C)
Visibility 3.00 mi
Wind Chill19°F (-7°C)
Last update 21 Jan 8:35 am EST
Extended Forecast for

Koontz Lake IN

  • Today

    Today: A 40 percent chance of snow showers before 11am. Mostly cloudy, with a high near 33. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 33 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly between 9pm and midnight. Mostly cloudy, with a low around 16. West wind 10 to 20 mph, with gusts as high as 35 mph.

    Low: 16 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 24. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 0. Wind chill values as low as -15. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 0 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 5. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 5 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around -4.

    Low: -4 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 8.

    High: 8 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow. Partly sunny and cold, with a high near 14.

    High: 14 °F

    Chance Snow

Detailed Forecast

Today
A 40 percent chance of snow showers before 11am. Mostly cloudy, with a high near 33. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of snow showers, mainly between 9pm and midnight. Mostly cloudy, with a low around 16. West wind 10 to 20 mph, with gusts as high as 35 mph.
Thursday
Mostly sunny, with a high near 24. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 0. Wind chill values as low as -15. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
A 30 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 5. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around -4.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 8.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 2.
Sunday
A 30 percent chance of snow. Partly sunny and cold, with a high near 14.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 1.
Monday
Sunny and cold, with a high near 15.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 22.
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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:
6:16 am CST Jan 21, 2026
Forecast Valid:
7am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation