Homer Glen, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Homer Glen weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain88%1.6″84°69°—
- SundayJul 5Foggy11%—77°68°-7°
- MondayJul 6Overcast——78°65°+1°
- TuesdayJul 7Overcast——80°60°+2°
- WednesdayJul 8Overcast——81°61°+1°
- ThursdayJul 9Thunderstorm55%—78°67°-3°
- FridayJul 10Light Drizzle35%0.01″78°65°0°
AQI 40 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 49 — peak already passed at 1 PM under overcast 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 49 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 49
- UV peak
- 1.0 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 49
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 8.2 µg/m³, PM10 to 9.6 µg/m³.
- PM2.5/PM10
- 0.85
- Wind
- calm
- Recent rain
- 4h in last 6h
- Pattern
- washed out
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
- 10:49 PM
- Moonset
- 9:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Homer Glen at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60491
16-Day Forecast — Homer Glen
- Sat84°69°88%
- Sun77°67°11%
- Mon78°65°5%
- Tue80°60°2%
- Wed81°61°5%
- Thu78°67°55%
- Fri78°65°35%
- Sat70°59°12%
- Sun76°57°9%
- Mon75°57°9%
- Tue76°56°7%
- Wed78°61°42%
- Thu81°61°29%
- Fri74°68°26%
- Sat80°65°27%
- Sun74°60°45%
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 — Homer Glen
SPC has placed Homer Glen in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Homer Glen
- 60491