Grand Ridge, Illinois Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Grand Ridge weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast24%—81°69°—
- MondayJul 6Mostly Clear——81°65°0°
- TuesdayJul 7Clear——82°63°+1°
- WednesdayJul 8Partly Cloudy——82°64°0°
- ThursdayJul 9Thunderstorm49%—83°69°+1°
- FridayJul 10Light Showers46%—80°69°-3°
- SaturdayJul 11T-storm w/ Hail22%—82°67°+2°
AQI 32 (Good), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise). Ozone at AQI 55 — peak already passed at 1 PM under partly cloudy 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 55 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 55
- UV peak
- 5.4 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 55
PM × Wind × Precip
PM2.5 at 9.2 µg/m³, PM10 at 10.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- 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
- 11:14 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Grand Ridge at a glance
- Today vs. normal: 11°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: 61325
16-Day Forecast — Grand Ridge
- Sun81°69°24%
- Mon81°65°4%
- Tue82°63°0%
- Wed82°64°5%
- Thu83°69°49%
- Fri80°69°46%
- Sat82°67°22%
- Sun83°68°13%
- Mon75°59°6%
- Tue73°54°6%
- Wed77°57°10%
- Thu79°62°17%
- Fri81°63°20%
- Sat84°66°32%
- Sun85°65°25%
- Mon84°68°26%
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 — Grand Ridge
SPC includes Grand Ridge 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 Grand Ridge
- 61325