Prairie du Rocher, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Prairie du Rocher weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle23%—87°69°—
- MondayJul 6Overcast——88°70°+1°
- TuesdayJul 7Drizzle——84°71°-4°
- WednesdayJul 8Mostly Clear——90°68°+6°
- ThursdayJul 9Showers37%—98°72°+8°
- FridayJul 10Light Showers45%—93°72°-5°
- SaturdayJul 11Light Drizzle35%—99°71°+6°
AQI 33 (Good), driven by Ozone. Ozone at AQI 50. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 50. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 50
- UV peak
- 5.6 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.86 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:17 PM
- Moonset
- 11:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Prairie du Rocher at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62277
16-Day Forecast — Prairie du Rocher
- Sun87°69°23%
- Mon88°70°8%
- Tue84°71°4%
- Wed90°68°4%
- Thu98°72°37%
- Fri93°72°45%
- Sat99°71°35%
- Sun92°70°14%
- Mon90°66°8%
- Tue81°61°5%
- Wed83°60°11%
- Thu89°63°17%
- Fri89°68°31%
- Sat88°67°32%
- Sun90°69°14%
- Mon93°70°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Prairie du Rocher
SPC includes Prairie du Rocher in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Prairie du Rocher
- 62277