Essex, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Essex weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain66%1.8″86°71°—
- SundayJul 5Overcast21%—80°68°-6°
- MondayJul 6Clear——80°64°0°
- TuesdayJul 7Overcast——82°60°+2°
- WednesdayJul 8Overcast21%—81°61°-1°
- ThursdayJul 9Light Drizzle34%0.01″82°69°+1°
- FridayJul 10Overcast30%—78°64°-4°
AQI 33 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.91 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.
What's driving it
PM × Wind × Precip
PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.91 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- 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
- 10:49 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Essex at a glance
- Today vs. normal: 4°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.
ZIP code: 60935
16-Day Forecast — Essex
- Sat86°71°66%
- Sun80°68°21%
- Mon80°64°3%
- Tue82°60°4%
- Wed81°61°21%
- Thu82°69°34%
- Fri78°64°30%
- Sat81°63°16%
- Sun70°59°7%
- Mon74°55°9%
- Tue78°59°11%
- Wed80°62°35%
- Thu82°65°24%
- Fri80°69°26%
- Sat85°69°19%
- Sun83°72°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 — Essex
SPC has placed Essex in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Essex
- 60935