Erie, Illinois Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Erie weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle38%0.03″82°69°—
- SundayJul 5Light Drizzle16%0.01″83°67°+1°
- MondayJul 6Light Drizzle——81°66°-2°
- TuesdayJul 7Overcast——81°60°0°
- WednesdayJul 8Thunderstorm27%—83°64°+2°
- ThursdayJul 9Showers37%0.15″76°67°-7°
- FridayJul 10Light Drizzle15%—79°65°+3°
AQI 41 (Good), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise). Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 35. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 5.8 µg/m³ (AQI 32) with a 0.77 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.77
- 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
- 11:19 PM
- Moonset
- 11:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Erie at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61250
16-Day Forecast — Erie
- Sat82°69°38%
- Sun83°67°16%
- Mon81°66°2%
- Tue81°60°1%
- Wed83°64°27%
- Thu76°67°37%
- Fri79°65°15%
- Sat75°58°8%
- Sun77°53°10%
- Mon77°59°8%
- Tue84°66°6%
- Wed82°65°32%
- Thu82°67°18%
- Fri88°73°32%
- Sat88°76°26%
- Sun83°63°32%
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 — Erie
SPC has placed Erie 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 Erie
- 61250