Glencoe, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Glencoe weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Showers81%0.86″78°65°—
- SundayJul 5Foggy11%—68°64°-10°
- MondayJul 6Overcast——73°66°+5°
- TuesdayJul 7Overcast——73°65°0°
- WednesdayJul 8Overcast26%—85°66°+12°
- ThursdayJul 9Thunderstorm34%0.04″78°66°-7°
- FridayJul 10Overcast34%—73°66°-5°
AQI 52 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.5 µg/m³ (AQI 42) with a 0.97 fine-to-coarse ratio and 4 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 32 now. With UV 1.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 5 around 1 PM.
- Present
- AQI 32
- UV peak
- 1.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 7.5 µg/m³ (AQI 42) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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
- 10:49 PM
- Moonset
- 9:54 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Glencoe at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60022
16-Day Forecast — Glencoe
- Sat78°64°81%
- Sun68°64°11%
- Mon73°66°4%
- Tue73°65°1%
- Wed85°66°26%
- Thu78°66°34%
- Fri73°66°34%
- Sat83°66°16%
- Sun69°63°12%
- Mon73°61°13%
- Tue75°66°9%
- Wed84°67°23%
- Thu83°70°16%
- Fri88°73°19%
- Sat83°73°19%
- Sun88°72°28%
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 — Glencoe
SPC has placed Glencoe in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Glencoe
- 60022