Green Valley, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Green Valley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain64%0.72″85°68°—
- SundayJul 5Overcast23%—84°66°-1°
- MondayJul 6Clear——84°65°0°
- TuesdayJul 7Clear——82°61°-2°
- WednesdayJul 8Light Drizzle——86°64°+4°
- ThursdayJul 9Thunderstorm44%3.6″83°67°-3°
- FridayJul 10Light Drizzle42%—80°67°-3°
AQI 36 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.95 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.95 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:17 PM
- Moonset
- 11:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Green Valley at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61534
16-Day Forecast — Green Valley
- Sat85°68°64%
- Sun84°66°23%
- Mon84°65°7%
- Tue82°61°6%
- Wed86°64°8%
- Thu83°67°44%
- Fri80°67°42%
- Sat76°60°9%
- Sun77°58°7%
- Mon78°56°4%
- Tue84°61°6%
- Wed83°70°19%
- Thu83°67°26%
- Fri87°70°32%
- Sat91°75°23%
- Sun83°71°19%
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 — Green Valley
SPC has placed Green Valley in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Green Valley
- 61534