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.

Fog/Mist

1°F

-17°C

Humidity 100%
Wind Speed Calm
Barometer 30.35 in
Dewpoint 1°F (-17°C)
Visibility 3.00 mi
Last update 31 Jan 11:15 pm EST
Extended Forecast for

Koontz Lake IN

  • Tonight

    Tonight: Mostly clear, with a low around 1. Northeast wind around 5 mph becoming calm.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 24. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14. South wind around 5 mph.

    Low: 14 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 28. South wind 5 to 10 mph becoming west in the afternoon.

    High: 28 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. West wind around 5 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 1. Northeast wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 24. Light southwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14. South wind around 5 mph.
Monday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 28. South wind 5 to 10 mph becoming west in the afternoon.
Monday Night
Mostly cloudy, with a low around 15. West wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 7.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 27.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 32.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 11.
Saturday
Mostly cloudy and cold, with a high near 19.
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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:
8:04 pm CST Jan 31, 2026
Forecast Valid:
10pm CST Jan 31, 2026-6pm CST Feb 7, 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