Shirley, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Shirley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain56%0.81″85°69°—
- SundayJul 5Overcast18%—81°69°-4°
- MondayJul 6Partly Cloudy——81°65°0°
- TuesdayJul 7Overcast——80°60°-1°
- WednesdayJul 8Light Drizzle——82°62°+2°
- ThursdayJul 9Drizzle45%0.04″83°69°+1°
- FridayJul 10Light Drizzle45%—78°69°-5°
AQI 26 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.90 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
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 36 now. With UV 4.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 16 around 1 PM.
- Present
- AQI 36
- UV peak
- 4.8 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.90 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- light
- 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
- 10:51 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Shirley at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61772
16-Day Forecast — Shirley
- Sat85°69°56%
- Sun81°69°18%
- Mon81°65°8%
- Tue80°60°4%
- Wed82°62°4%
- Thu83°69°45%
- Fri78°69°45%
- Sat81°66°15%
- Sun71°58°6%
- Mon72°56°8%
- Tue76°60°8%
- Wed78°63°23%
- Thu81°65°19%
- Fri81°69°26%
- Sat85°70°29%
- Sun82°72°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 — Shirley
SPC has placed Shirley 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 Shirley
- 61772