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Koontz Lake, Indiana Weather Forecast
Koontz Lake, Indiana Weather
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Weather Forecast for Koontz Lake, Indiana : Starke County
Issued: 10:16 am CST Dec 18, 2025 Latitude: 41.4180996 Longitude: -86.4858451 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
100% chance of rain on Today 50% chance of rain & snow on Tonight Partly Sunny on Friday Mostly Cloudy on Saturday Sunny on Sunday Mostly Cloudy on Monday Mostly Cloudy on Tuesday 10% chance of rain on Wednesday
High: 49°F Low: 16°F High: 25°F High: 40°F High: 28°F High: 36°F High: 43°F High: 44°F
Low: 21°F Low: 21°F Low: 18°F Low: 31°F Low: 32°F  
Rain Rain & Snow Partly Sunny Mostly Cloudy Sunny Mostly Cloudy Mostly Cloudy Rain
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Current Conditions at
SOUTH BEND - (KSBN)
46°
Feels like 38°F
Cloudy
Light Rain Mist
as of 11:54 AM EST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 2 1/2 Miles
Pressure: 29.53 in.
Flight Rule: IFR
Wind Data
20 MPH
Gust: 31 MPH
190° South
Cloud Level(s): Solid Overcast at 1600ft
Current Conditions at
VALPARAISO - (KVPZ)
48°
Feels like 41°F
Cloudy
as of 10:56 AM CST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.49 in.
Flight Rule: MVFR
Wind Data
20 MPH
Gust: 33 MPH
190° South
Cloud Level(s): Solid Overcast at 1300ft
Current Conditions at
WARSAW - (KASW)
48°
Feels like 43°F
Cloudy
as of 11:55 AM EST
Rel. Humidity: 76%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.59 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 23 MPH
190° South
Cloud Level(s): Scattered at 2300ft, Scattered at 3300ft, Solid Overcast at 4300ft
Current Conditions at
GOSHEN - (KGSH)
48°
Feels like 40°F
Cloudy
as of 11:53 AM EST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
25 MPH
Gust: 37 MPH
190° South
Cloud Level(s): Few at 2000ft, Broken at 3800ft, Solid Overcast at 7000ft
100% chance of rain Today Today... Showers. High near 49. Breezy, with a south wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

50% chance of rain & snow Tonight Tonight... A chance of rain showers before 8pm, then a chance of snow showers after 9pm. Mostly cloudy, with a low around 16. West wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.

Partly Sunny on Friday Friday... Partly sunny, with a high near 25. West wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 21. South wind 5 to 15 mph, with gusts as high as 25 mph.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 40. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 21.

Sunny on Sunday Sunday... Sunny, with a high near 28.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 18.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 36.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 31.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 43.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.

10% chance of rain Wednesday Wednesday... A slight chance of rain. Mostly cloudy, with a high near 44.

Current Radar Image


Sun Almanac for Koontz Lake, Indiana
Sunrise: 07:07 AM
Sunset: 4:18 PM
Civil Sunrise:06:36 AM
Civil Sunset: 4:50 PM
Nautical Sunrise: 06:01 AM
Nautical Sunset: 5:24 PM
Astro Sunrise: 05:27 AM
Astro Sunset: 5:58 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.