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.

Overcast

41°F

5°C

Humidity 87%
Wind Speed NW 13 G 23 mph
Barometer 30.15 in
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Wind Chill34°F (1°C)
Last update 19 Apr 7:35 pm EDT
Extended Forecast for

Koontz Lake IN

Freeze Warning April 19, 11:00pm until April 20, 10:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 28. Northwest wind 10 to 15 mph becoming light north in the evening. Winds could gust as high as 20 mph.

    Low: 28 °F

    Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.

    High: 51 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. South wind 5 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph.

    Low: 54 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 28. Northwest wind 10 to 15 mph becoming light north in the evening. Winds could gust as high as 20 mph.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 40. South wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 66.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 46.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 64.
Basemap Options
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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:
5:15 pm CDT Apr 19, 2026
Forecast Valid:
6pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
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