Oak Run, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Oak Run weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain59%0.18″87°68°—
- SundayJul 5Overcast42%—83°70°-4°
- MondayJul 6Mostly Clear——82°63°-1°
- TuesdayJul 7Clear——80°60°-2°
- WednesdayJul 8Overcast14%—83°63°+3°
- ThursdayJul 9Light Showers32%—83°70°0°
- FridayJul 10Overcast32%—79°64°-4°
AQI 28 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 5.2 µg/m³ (AQI 29) with a 0.88 fine-to-coarse ratio and 4 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 5.2 µg/m³ (AQI 29) with a 0.88 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- 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
- 10:56 PM
- Moonset
- 10:05 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Oak Run at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Oak Run
- Sat87°68°59%
- Sun83°70°42%
- Mon82°63°3%
- Tue80°60°4%
- Wed83°63°14%
- Thu83°70°32%
- Fri79°64°32%
- Sat83°65°17%
- Sun69°59°9%
- Mon74°56°6%
- Tue74°60°10%
- Wed79°63°13%
- Thu81°65°13%
- Fri83°69°23%
- Sat85°69°19%
- Sun85°72°26%
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 — Oak Run
SPC has placed Oak Run 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 Oak Run
- 61428