Cave-in-Rock, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Cave-in-Rock, IL in one place.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 8 to 12 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Cave-in-Rock, IL 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 11, 2026 10:29 PM CDT.
The active forecast window currently covers Apr 15 to Apr 18, 2026 for Cave-in-Rock, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 18, 2026
- Latest sync
- Apr 11, 2026 10:29 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Cave-in-Rock
Wednesday looks like the warmest upcoming period in Cave-in-Rock at 86 degrees F.
Thursday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 12 mph SSW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 11, 2026 10:29 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KPAH
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 5 to 8 mph.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. Southwest wind 5 to 9 mph.
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 62. Southwest wind 2 to 6 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South southwest wind 3 to 9 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southwest wind around 7 mph.
A chance of showers and thunderstorms. Partly sunny, with a high near 77. West wind 7 to 10 mph, with gusts as high as 18 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
86°F |
8 to 12 mph
SSW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
67°F |
5 to 8 mph
SW
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
81°F |
5 to 9 mph
SW
|
|
Thursday Night
Apr 16
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
62°F |
2 to 6 mph
SW
|
|
Friday
Apr 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
86°F |
3 to 9 mph
SSW
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
63°F |
7 mph
SSW
|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms
|
77°F |
7 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cave-in-Rock.