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 with Haze

25°F

-4°C

Humidity 86%
Wind Speed NE 5 mph
Barometer 29.83 in
Dewpoint 21°F (-6°C)
Visibility 5.00 mi
Wind Chill19°F (-7°C)
Last update 25 Feb 11:15 pm EST
Extended Forecast for

Koontz Lake IN

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41. East wind around 5 mph becoming southwest in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. South wind 5 to 10 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Southwest wind 10 to 15 mph becoming north after midnight.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 40.

    High: 40 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 33.

    High: 33 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. Northwest wind around 5 mph becoming northeast after midnight.
Thursday
Mostly sunny, with a high near 41. East wind around 5 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 29. South wind 5 to 10 mph.
Friday
Sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 31. Southwest wind 10 to 15 mph becoming north after midnight.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 40.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 23.
Sunday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 33.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 34.
Monday Night
A chance of freezing rain. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 38.
Tuesday Night
A chance of rain and snow. Partly cloudy, with a low around 26.
Wednesday
A slight chance of rain. Sunny, with a high near 45.
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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:
9:01 pm CST Feb 25, 2026
Forecast Valid:
10pm CST Feb 25, 2026-6pm CST Mar 4, 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