Cobden, Illinois Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Cobden weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——80°54°—
- ThursdayJun 4Overcast——83°60°+3°
- FridayJun 5Overcast——80°60°-3°
- SaturdayJun 6Drizzle——83°65°+3°
- SundayJun 7Drizzle38%—86°70°+3°
- MondayJun 8Showers61%0.02″81°70°-5°
- TuesdayJun 9Drizzle38%0.05″77°68°-4°
Ozone at AQI 58 now. AQI flat over the last 6 hours (within ±4 points). With UV 9.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 71 by mid-afternoon.
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 58 now. With UV 9.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 71 by mid-afternoon.
- Present
- AQI 58
- UV peak
- 9.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 71
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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:40 AM
- Moonset
- 1:04 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Cobden at a glance
- Today vs. normal: 78°F — typical for the season
- 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 3, 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.