Colona, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Colona weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast56%—85°68°—
- SundayJul 5Overcast21%—85°67°0°
- MondayJul 6Mostly Clear——82°64°-3°
- TuesdayJul 7Partly Cloudy——80°60°-2°
- WednesdayJul 8Overcast21%—83°63°+3°
- ThursdayJul 9Thunderstorm29%—82°68°-1°
- FridayJul 10Overcast25%—80°65°-2°
AQI 26 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 31. Overcast through the UV peak window (cloud cover ~82%) — afternoon ozone should stay flat.
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 31. Overcast through the UV peak window (cloud cover ~82%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 2.8 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 5.2 µg/m³ (AQI 29) with a 0.83 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.83
- 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
- 10:58 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Colona at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61241
16-Day Forecast — Colona
- Sat85°68°56%
- Sun85°67°21%
- Mon82°64°2%
- Tue80°60°3%
- Wed83°63°21%
- Thu82°68°29%
- Fri80°65°25%
- Sat84°66°14%
- Sun68°59°11%
- Mon75°56°7%
- Tue76°60°9%
- Wed80°65°15%
- Thu81°66°19%
- Fri82°68°20%
- Sat85°70°23%
- Sun86°72°29%
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 — Colona
SPC has placed Colona in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Colona
- 61241