Pierron, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Pierron weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast23%—87°70°—
- MondayJul 6Overcast——86°69°-1°
- TuesdayJul 7Overcast——84°69°-2°
- WednesdayJul 8Overcast——86°64°+2°
- ThursdayJul 9Drizzle35%—92°73°+6°
- FridayJul 10Thunderstorm47%—85°72°-7°
- SaturdayJul 11Drizzle38%—84°69°-1°
AQI 42 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.86 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 during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 50. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 50
- UV peak
- 5.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.86 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- 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
- 11:15 PM
- Moonset
- 11:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Pierron at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62273
16-Day Forecast — Pierron
- Sun86°70°23%
- Mon86°69°9%
- Tue84°69°6%
- Wed86°64°6%
- Thu92°73°35%
- Fri85°72°47%
- Sat84°69°38%
- Sun88°70°14%
- Mon92°72°14%
- Tue98°75°5%
- Wed81°66°11%
- Thu80°58°17%
- Fri85°63°26%
- Sat91°67°29%
- Sun90°73°24%
- Mon91°75°19%
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 — Pierron
SPC includes Pierron in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Pierron
- 62249
- 62273
- 62275