Fairview Heights, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Fairview Heights weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast23%—95°76°—
- SundayJul 5Heavy Showers21%0.40″83°73°-12°
- MondayJul 6Overcast19%—87°69°+4°
- TuesdayJul 7Overcast——85°67°-2°
- WednesdayJul 8Overcast12%—90°66°+5°
- ThursdayJul 9Light Drizzle30%—95°71°+5°
- FridayJul 10T-storm w/ Hail45%0.02″91°72°-4°
AQI 37 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.3 µg/m³, PM10 at 9.0 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 34 now. With UV 4.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 22 around 1 PM.
- Present
- AQI 34
- UV peak
- 4.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 22
PM × Wind × Precip
PM2.5 at 8.3 µg/m³, PM10 at 9.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- 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
- 10:53 PM
- Moonset
- 10:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Fairview Heights at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62208
16-Day Forecast — Fairview Heights
- Sat95°76°23%
- Sun83°73°21%
- Mon87°69°19%
- Tue85°67°7%
- Wed90°66°12%
- Thu95°71°30%
- Fri91°72°45%
- Sat89°73°24%
- Sun79°63°7%
- Mon77°59°6%
- Tue79°61°11%
- Wed82°64°12%
- Thu83°66°14%
- Fri82°68°10%
- Sat86°69°13%
- Sun91°72°16%
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 — Fairview Heights
SPC has placed Fairview Heights 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 Fairview Heights
- 62208