Lee Center, Illinois Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Lee Center weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast17%—82°65°—
- MondayJul 6Clear——82°63°0°
- TuesdayJul 7Overcast——81°61°-1°
- WednesdayJul 8Overcast——81°66°0°
- ThursdayJul 9T-storm w/ Hail49%0.27″80°69°-1°
- FridayJul 10Drizzle39%—79°66°-1°
- SaturdayJul 11Light Drizzle21%0.01″82°67°+3°
AQI 19 (Good), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 7.3 µg/m³, PM10 at 8.0 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 35 now. With UV 4.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 21 around 1 PM.
- Present
- AQI 35
- UV peak
- 4.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 21
PM × Wind × Precip
PM2.5 at 7.3 µg/m³, PM10 at 8.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- breezy
- Recent rain
- 0h 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
- 11:16 PM
- Moonset
- 11:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lee Center at a glance
- Today vs. normal: 9°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: 61331
16-Day Forecast — Lee Center
- Sun82°65°17%
- Mon82°63°2%
- Tue81°61°1%
- Wed81°66°7%
- Thu80°69°49%
- Fri79°66°39%
- Sat82°67°21%
- Sun83°68°10%
- Mon88°70°9%
- Tue87°72°5%
- Wed74°60°9%
- Thu76°58°26%
- Fri80°59°16%
- Sat83°67°35%
- Sun85°71°26%
- Mon86°72°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 Center
SPC includes Lee Center in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Center
- 61310
- 61331