Koontz Lake, IN Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Koontz Lake, IN in one place.
Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 91. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Local Weather Overview
This forecast page for Koontz Lake, IN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 8:15 AM CDT.
The active forecast window currently covers Jun 10 to Jun 14, 2026 for Koontz Lake, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 8:15 AM CDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Koontz Lake
Wednesday looks like the warmest upcoming period in Koontz Lake at 91 degrees F.
Sunday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 15 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 8:15 AM CDT
- Coverage
- 5 days
- Time zone
- America/Indiana/Knox
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.
Showers and thunderstorms likely before 10pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
A chance of rain showers before 7am. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
91°F |
5 to 15 mph
SW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
72°F |
10 to 15 mph
SW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
89°F |
10 to 15 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely
|
65°F |
5 to 15 mph
SW
|
|
Friday
Jun 12
|
Chance Rain Showers then Mostly Sunny
|
85°F |
5 to 10 mph
W
|
|
Friday Night
Jun 12
|
Slight Chance Rain Showers
|
63°F |
5 mph
SW
|
|
Saturday
Jun 13
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
84°F |
5 to 10 mph
SW
|
|
Saturday Night
Jun 13
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
SW
|
|
Sunday
Jun 14
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
80°F |
5 to 10 mph
NW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
59°F |
5 to 10 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Koontz Lake.