Anna, Illinois Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Anna weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——80°54°—
- ThursdayJun 4Overcast——86°62°+6°
- FridayJun 5Light Drizzle——88°65°+2°
- SaturdayJun 6Light Showers——85°63°-3°
- SundayJun 7Showers35%0.32″79°70°-6°
- MondayJun 8Showers69%0.13″75°69°-4°
- TuesdayJun 9Thunderstorm41%—86°71°+11°
Ozone at AQI 35. AQI up 5 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~76%) — 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 ~76%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 5.9 µg/m³ (AQI 33) with a 0.94 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- light
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:18 AM
- Moonset
- 2:06 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Anna at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 1 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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.