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

18°F

-8°C

Humidity 73%
Wind Speed Calm
Barometer 30.29 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 8 Dec 5:55 pm EST
Extended Forecast for

Koontz Lake IN

  • Tonight

    Tonight: A 20 percent chance of snow after 2am. Mostly cloudy, with a temperature falling to near 12 by 10pm, then rising to around 23 during the remainder of the night. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 12 °F⇑

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 37. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 37 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain and snow before 7pm, then rain between 7pm and 3am, then rain, possibly mixed with snow after 3am. Low around 31. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain, becoming all snow after noon. High near 36. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 18. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 24.

    High: 24 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 22.

    High: 22 °F

    Chance Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Chance Snow

Detailed Forecast

Tonight
A 20 percent chance of snow after 2am. Mostly cloudy, with a temperature falling to near 12 by 10pm, then rising to around 23 during the remainder of the night. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 37. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Rain and snow before 7pm, then rain between 7pm and 3am, then rain, possibly mixed with snow after 3am. Low around 31. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Snow, possibly mixed with rain, becoming all snow after noon. High near 36. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 18. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 24.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 22.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 7.
Saturday
A 20 percent chance of snow. Mostly cloudy and cold, with a high near 13.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 5.
Sunday
Partly sunny and cold, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
A chance of snow. Mostly cloudy, with a high near 25.
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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:
4:46 pm CST Dec 8, 2025
Forecast Valid:
5pm CST Dec 8, 2025-6pm CST Dec 15, 2025
 
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