Cave-In-Rock, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cave-In-Rock weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast19%—91°70°—
- SundayJul 5Heavy Showers37%3.0″89°72°-2°
- MondayJul 6Overcast13%—84°69°-5°
- TuesdayJul 7Overcast——82°65°-2°
- WednesdayJul 8Clear13%—86°65°+4°
- ThursdayJul 9Overcast26%—90°67°+4°
- FridayJul 10Overcast50%—92°77°+2°
AQI 50 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 51 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 51 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 51
- UV peak
- 2.3 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 51
PM × Wind × Precip
PM2.5 at 8.5 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:44 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Cave-In-Rock at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: April 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Cave-In-Rock
- Sat91°70°19%
- Sun89°72°37%
- Mon84°69°13%
- Tue82°65°6%
- Wed86°65°13%
- Thu90°67°26%
- Fri92°77°50%
- Sat88°69°42%
- Sun79°61°27%
- Mon80°58°10%
- Tue81°61°5%
- Wed85°59°19%
- Thu87°65°35%
- Fri88°68°33%
- Sat80°67°32%
- Sun75°67°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Cave-In-Rock
SPC has placed Cave-In-Rock in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Cave-In-Rock
- 62919