Custer Park, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Custer Park weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain67%0.73″84°71°—
- SundayJul 5Foggy14%—80°67°-4°
- MondayJul 6Overcast——80°64°0°
- TuesdayJul 7Overcast——83°61°+3°
- WednesdayJul 8Overcast21%—81°61°-2°
- ThursdayJul 9T-storm w/ Hail35%0.13″81°69°0°
- FridayJul 10Overcast30%—80°64°-1°
AQI 31 (Good), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 6.5 µg/m³, PM10 at 7.2 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 31. Overcast through the UV peak window (cloud cover ~86%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 3.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 6.5 µg/m³, PM10 at 7.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- Wind
- light
- Recent rain
- 1h 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
- 10:49 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Custer Park at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Custer Park
- Sat84°71°67%
- Sun80°67°14%
- Mon80°64°3%
- Tue83°61°4%
- Wed81°61°21%
- Thu81°69°35%
- Fri80°64°30%
- Sat82°63°15%
- Sun69°60°8%
- Mon75°55°9%
- Tue77°60°11%
- Wed80°62°35%
- Thu83°65°24%
- Fri81°69°26%
- Sat86°69°19%
- Sun83°71°32%
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 — Custer Park
SPC has placed Custer Park in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Custer Park
- 60481