Henry, Illinois Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Henry weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast11%—85°68°—
- MondayJul 6Overcast——85°65°0°
- TuesdayJul 7Overcast——82°62°-3°
- WednesdayJul 8Overcast——84°66°+2°
- ThursdayJul 9T-storm w/ Hail51%0.52″83°67°-1°
- FridayJul 10Thunderstorm51%—81°69°-2°
- SaturdayJul 11Light Drizzle22%—82°69°+1°
AQI 23 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 7.7 µg/m³, PM10 at 8.2 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 during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 30 now. With UV 6.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 24 around 1 PM.
- Present
- AQI 30
- UV peak
- 6.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 24
PM × Wind × Precip
PM2.5 at 7.7 µg/m³, PM10 at 8.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:16 PM
- Moonset
- 11:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Henry at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61537
16-Day Forecast — Henry
- Sun85°68°11%
- Mon85°65°3%
- Tue82°62°1%
- Wed84°66°5%
- Thu83°67°51%
- Fri81°69°51%
- Sat82°69°22%
- Sun86°69°13%
- Mon89°70°7%
- Tue88°76°5%
- Wed75°62°8%
- Thu77°55°26%
- Fri82°61°21%
- Sat85°67°23%
- Sun87°73°39%
- Mon89°72°29%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Henry
SPC includes Henry in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Henry
- 61537