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 100%
Wind Speed N 8 mph
Barometer 30.29 in
Dewpoint 14°F (-10°C)
Visibility 4.00 mi
Wind Chill3°F (-16°C)
Last update 31 Jan 6:55 am EST
Extended Forecast for

Koontz Lake IN

  • Today

    Today: A chance of flurries before 9am. Partly sunny and cold, with a high near 18. North wind 5 to 10 mph.

    High: 18 °F

    Chance
    Flurries

  • Tonight

    Tonight: Partly cloudy, with a low around 3. North wind around 5 mph becoming calm in the evening.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 24. Calm wind becoming southwest around 5 mph in the morning.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 14 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Monday

    Monday: A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 28. West wind 5 to 10 mph.

    High: 28 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

Detailed Forecast

Today
A chance of flurries before 9am. Partly sunny and cold, with a high near 18. North wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 3. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 24. Calm wind becoming southwest around 5 mph in the morning.
Sunday Night
A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 14. South wind around 5 mph.
Monday
A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 28. West wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 9.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 6.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 25.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18.
Friday
A chance of snow. Mostly cloudy, with a high near 32.
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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:
5:17 am CST Jan 31, 2026
Forecast Valid:
6am CST Jan 31, 2026-6pm CST Feb 6, 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