Waynesville, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Waynesville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain69%1.0″86°69°—
- SundayJul 5Light Drizzle28%0.01″80°70°-6°
- MondayJul 6Light Drizzle——79°65°-1°
- TuesdayJul 7Overcast——80°60°+1°
- WednesdayJul 8Light Drizzle——83°64°+3°
- ThursdayJul 9Heavy Drizzle44%0.12″80°70°-3°
- FridayJul 10Light Showers44%0.14″85°70°+5°
AQI 39 (Good), driven by PM2.5. AQI up 12 over the last 6 hours (gradual rise). PM scrubbed by 3 hours of recent rain — PM2.5 down to 11.1 µg/m³, PM10 to 12.7 µg/m³.
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 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 2.8 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 50
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 11.1 µg/m³, PM10 to 12.7 µg/m³.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 3h 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
- 10:51 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Waynesville at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61778
16-Day Forecast — Waynesville
- Sat86°69°69%
- Sun80°70°28%
- Mon79°65°8%
- Tue80°60°2%
- Wed83°64°2%
- Thu80°70°44%
- Fri85°70°44%
- Sat75°60°13%
- Sun74°58°14%
- Mon74°57°5%
- Tue75°56°6%
- Wed77°60°19%
- Thu81°63°26%
- Fri82°66°26%
- Sat76°68°35%
- Sun75°61°48%
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 — Waynesville
SPC has placed Waynesville 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 Waynesville
- 61778