River Forest, Indiana Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
River Forest weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain48%0.17″90°73°—
- SundayJul 5Drizzle23%0.05″83°70°-7°
- MondayJul 6Light Drizzle26%—79°68°-4°
- TuesdayJul 7Overcast——81°62°+2°
- WednesdayJul 8Overcast——83°64°+2°
- ThursdayJul 9T-storm w/ Hail45%—82°66°-1°
- FridayJul 10Light Drizzle48%—76°69°-6°
AQI 39 (Good), driven by Ozone. Ozone at AQI 106 now. With UV 7.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 102 around 1 PM.
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 106 now. With UV 7.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 102 around 1 PM.
- Present
- AQI 106
- UV peak
- 7.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 102
PM × Wind × Precip
PM2.5 at 14.8 µg/m³ (AQI 62) with a 0.88 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- Wind
- light
- 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
- 11:38 PM
- Moonset
- 10:48 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
River Forest at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — River Forest
- Sat90°72°48%
- Sun83°70°23%
- Mon79°68°26%
- Tue81°62°5%
- Wed83°64°6%
- Thu82°66°45%
- Fri76°69°48%
- Sat83°66°30%
- Sun71°59°10%
- Mon70°59°16%
- Tue75°59°16%
- Wed81°62°23%
- Thu82°66°17%
- Fri84°68°19%
- Sat85°67°26%
- Sun84°70°42%
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 — River Forest
SPC has placed River Forest in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 River Forest
- 46011