Waynesville, Illinois Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Waynesville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Clear——74°53°—
- TuesdayJun 16Overcast42%—74°55°0°
- WednesdayJun 17T-storm w/ Hvy Hail92%—84°56°+10°
- ThursdayJun 18Light Drizzle92%—71°56°-13°
- FridayJun 19Light Drizzle——72°54°+1°
- SaturdayJun 20Overcast15%—76°54°+4°
- SundayJun 21Light Showers50%0.01″76°62°0°
AQI 31 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 46 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 34 around 1 PM.
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 46 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 34 around 1 PM.
- Present
- AQI 46
- UV peak
- 5.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 34
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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:29 AM
- Moonset
- 8:44 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Waynesville at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Waynesville
- Mon74°53°0%
- Tue74°55°42%
- Wed84°56°92%
- Thu71°56°92%
- Fri72°54°2%
- Sat76°54°15%
- Sun76°62°50%
- Mon78°69°50%
- Tue71°65°18%
- Wed74°64°8%
- Thu77°61°11%
- Fri78°62°27%
- Sat71°62°43%
- Sun79°62°25%
- Mon77°62°35%
- Tue70°58°43%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 Enhanced Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3ENHEnhanced Risk
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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