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

14°F

-10°C

Humidity 92%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 12°F (-11°C)
Visibility 6.00 mi
Last update 7 Feb 8:35 pm EST
Extended Forecast for

Koontz Lake IN

  • Tonight

    Tonight: Snow likely, mainly between midnight and 4am. Cloudy, with a low around 16. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 16 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday

    Sunday: A 30 percent chance of snow before 7am. Partly sunny, with a high near 26. Southeast wind 5 to 10 mph.

    High: 26 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18. Southeast wind around 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 34. South wind 5 to 10 mph.

    High: 34 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. South wind 5 to 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly between midnight and 4am. Cloudy, with a low around 16. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.
Sunday
A 30 percent chance of snow before 7am. Partly sunny, with a high near 26. Southeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 18. Southeast wind around 5 mph.
Monday
Mostly cloudy, with a high near 34. South wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 28. South wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 33.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
Mostly cloudy, with a high near 32.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A slight chance of snow. Partly sunny, with a high near 33.
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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:
7:33 pm CST Feb 7, 2026
Forecast Valid:
7pm CST Feb 7, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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