Willow Hill, Illinois Weather
Heat settles and the rain begins. Day 90 of spring. Read this microseason across nine climate regions →
Willow Hill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Drizzle50%0.05″77°56°—
- WednesdayJun 17Thunderstorm51%0.18″89°58°+12°
- ThursdayJun 18Overcast52%—76°63°-13°
- FridayJun 19Overcast——79°59°+3°
- SaturdayJun 20Overcast——80°59°+1°
- SundayJun 21Showers66%0.18″76°62°-4°
- MondayJun 22Overcast65%—73°57°-3°
AQI 49 (Good), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~86%) — 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 43. Overcast through the UV peak window (cloud cover ~86%) — afternoon ozone should stay flat.
- Present
- AQI 43
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 6.2 µg/m³, PM10 at 7.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.85
- Wind
- light
- Recent rain
- 0h 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 7:55 AM
- Moonset
- 10:25 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Willow Hill at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
Right now in the garden
Peak growing season
As of June 17, 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 — Willow Hill
SPC has placed Willow Hill in the Enhanced Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal Risk
- TOMORROWENHEnhanced Risk
- DAY 3NONENo severe 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 Willow Hill
- 62480