Stillman Valley, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Stillman Valley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Showers56%1.2″79°68°—
- SundayJul 5Overcast14%—83°65°+4°
- MondayJul 6Overcast11%—78°61°-5°
- TuesdayJul 7Overcast——80°59°+2°
- WednesdayJul 8Thunderstorm10%0.21″81°62°+1°
- ThursdayJul 9Drizzle50%—80°68°-1°
- FridayJul 10Drizzle31%0.01″77°64°-3°
AQI 32 (Good), driven by PM2.5. AQI up 9 over the last 6 hours (gradual rise). PM scrubbed by 3 hours of recent rain — PM2.5 down to 7.9 µg/m³, PM10 to 11.4 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 43. Overcast through the UV peak window (cloud cover ~96%) — afternoon ozone should stay flat.
- Present
- AQI 43
- UV peak
- 4.8 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 14
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 7.9 µg/m³, PM10 to 11.4 µg/m³.
- PM2.5/PM10
- 0.69
- Wind
- breezy
- 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
- 10:54 PM
- Moonset
- 10:01 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Stillman Valley at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61084
16-Day Forecast — Stillman Valley
- Sat81°68°56%
- Sun83°65°14%
- Mon78°61°11%
- Tue80°59°1%
- Wed81°62°10%
- Thu80°68°50%
- Fri77°64°31%
- Sat74°60°11%
- Sun75°57°8%
- Mon73°55°9%
- Tue79°57°9%
- Wed77°60°32%
- Thu81°64°26%
- Fri77°66°23%
- Sat77°61°26%
- Sun73°57°24%
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 — Stillman Valley
SPC includes Stillman Valley in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Stillman Valley
- 61084