Leland, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Leland weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain83%0.54″81°69°—
- SundayJul 5Overcast19%—81°65°0°
- MondayJul 6Overcast——80°63°-1°
- TuesdayJul 7Overcast——80°58°0°
- WednesdayJul 8Overcast11%—80°63°0°
- ThursdayJul 9Showers49%0.27″77°66°-3°
- FridayJul 10Overcast39%—81°62°+4°
AQI 24 (Good), driven by Ozone. Ozone at AQI 42. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
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 42. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
- Present
- AQI 42
- UV peak
- 4.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 13
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 5.2 µg/m³, PM10 to 6.0 µg/m³.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 10:52 PM
- Moonset
- 9:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Leland at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60531
16-Day Forecast — Leland
- Sat81°69°83%
- Sun81°65°19%
- Mon80°63°6%
- Tue80°58°1%
- Wed80°63°11%
- Thu77°66°49%
- Fri81°62°39%
- Sat81°62°14%
- Sun68°58°7%
- Mon73°56°9%
- Tue78°59°9%
- Wed78°61°32%
- Thu82°65°25%
- Fri80°69°32%
- Sat84°69°24%
- Sun83°71°29%
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 — Leland
SPC has placed Leland in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Leland
- 60531