Vernon, Illinois Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Vernon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Mostly Clear——78°59°—
- TuesdayJun 16Heavy Rain37%2.4″80°57°+2°
- WednesdayJun 17T-storm w/ Hail82%0.64″87°60°+7°
- ThursdayJun 18Showers82%0.15″75°64°-12°
- FridayJun 19Overcast20%—78°57°+3°
- SaturdayJun 20Overcast——78°57°0°
- SundayJun 21Thunderstorm49%—85°62°+7°
AQI 42 (Good), driven by Ozone. AQI up 16 in the last 6 hours — air quality is degrading. Ozone at AQI 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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
- 4.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 50
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
- 5:35 AM
- Moonset
- 8:37 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Vernon at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: April 9 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Vernon
- Mon78°59°0%
- Tue80°57°37%
- Wed87°60°82%
- Thu75°64°82%
- Fri78°57°20%
- Sat78°57°7%
- Sun85°62°49%
- Mon86°70°52%
- Tue77°69°21%
- Wed77°64°13%
- Thu82°66°16%
- Fri82°62°23%
- Sat75°65°29%
- Sun88°66°29%
- Mon81°65°31%
- Tue77°63°32%
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 — Vernon
SPC has placed Vernon 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 Vernon
- 62892