Koontz Lake, IN Weather Forecast
Local 7-day forecast
Slight Chance Snow Showers then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Koontz Lake, IN in one place.
A slight chance of rain showers before 7am, then a slight chance of snow showers between 7am and 10am, then a slight chance of rain showers between 10am and 1pm. Mostly sunny, with a high near 49. Chance of precipitation is 20%.
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: Apr 15, 2026 6:25 AM CDT.
The active forecast window currently covers Apr 19 to Apr 21, 2026 for Koontz Lake, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 6:25 AM CDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Koontz Lake
Tuesday looks like the warmest upcoming period in Koontz Lake at 71 degrees F.
Sunday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph W.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 15, 2026 6:25 AM CDT
- Coverage
- 3 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
Partly cloudy, with a low around 33.
Sunny, with a high near 58.
Mostly clear, with a low around 45.
Mostly sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Slight Chance Snow Showers then Slight Chance Rain Showers
|
49°F |
10 to 15 mph
W
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
33°F |
5 to 10 mph
NW
|
|
Monday
Apr 20
|
Sunny
|
58°F |
5 to 10 mph
W
|
|
Monday Night
Apr 20
|
Mostly Clear
|
45°F |
10 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
71°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Koontz Lake.