Lawrenceville, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lawrenceville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle31%0.02″87°72°—
- SundayJul 5Rain26%0.20″83°72°-4°
- MondayJul 6Light Drizzle10%—80°68°-3°
- TuesdayJul 7Clear——82°63°+2°
- WednesdayJul 8Mostly Clear——85°65°+3°
- ThursdayJul 9Light Drizzle38%—89°70°+4°
- FridayJul 10Light Drizzle45%—92°76°+3°
AQI 72 (Moderate), driven by PM2.5. AQI up 34 in the last 6 hours — air quality is degrading. PM2.5 at 7.7 µg/m³, PM10 at 8.4 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 42 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 42
- UV peak
- 0.2 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 42
PM × Wind × Precip
PM2.5 at 7.7 µg/m³, PM10 at 8.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- Wind
- light
- Recent rain
- 1h 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
- 10:44 PM
- Moonset
- 9:58 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Lawrenceville at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62439
16-Day Forecast — Lawrenceville
- Sat87°72°31%
- Sun83°72°26%
- Mon80°68°10%
- Tue82°63°4%
- Wed85°65°5%
- Thu89°70°38%
- Fri92°76°45%
- Sat81°66°26%
- Sun77°58°17%
- Mon76°58°8%
- Tue78°58°5%
- Wed81°58°19%
- Thu85°63°17%
- Fri87°68°27%
- Sat81°70°35%
- Sun76°66°42%
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 — Lawrenceville
SPC has placed Lawrenceville in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Lawrenceville
- 62439