Lee, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lee weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle81%0.03″82°68°—
- SundayJul 5Overcast21%—80°64°-2°
- MondayJul 6Overcast——79°63°-1°
- TuesdayJul 7Overcast——79°56°0°
- WednesdayJul 8Overcast23%—80°62°+1°
- ThursdayJul 9Drizzle33%0.06″76°64°-4°
- FridayJul 10Overcast33%—79°62°+3°
AQI 23 (Good), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 5.1 µg/m³ (AQI 28) with a 0.89 fine-to-coarse ratio and 3 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
PM × Wind × Precip
PM2.5 at 5.1 µg/m³ (AQI 28) with a 0.89 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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
- 10:53 PM
- Moonset
- 10:00 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lee at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60530
16-Day Forecast — Lee
- Sat82°68°81%
- Sun80°64°21%
- Mon79°63°3%
- Tue79°56°3%
- Wed80°62°23%
- Thu76°64°33%
- Fri79°62°33%
- Sat80°62°13%
- Sun67°57°8%
- Mon73°55°13%
- Tue77°58°12%
- Wed78°61°26%
- Thu81°65°13%
- Fri80°68°26%
- Sat83°69°26%
- Sun82°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 — Lee
SPC has placed Lee 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 Lee
- 60530