Browns, Illinois Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Browns weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——82°55°—
- ThursdayJun 4Overcast——83°59°+1°
- FridayJun 5Overcast——81°61°-2°
- SaturdayJun 6Light Showers14%0.09″85°65°+4°
- SundayJun 7Heavy Drizzle32%—88°70°+3°
- MondayJun 8Heavy Drizzle39%0.02″75°70°-13°
- TuesdayJun 9Drizzle22%—74°69°-1°
Ozone at AQI 75 now. AQI flat over the last 6 hours (within ±4 points). With UV 9.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 65 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 75 now. With UV 9.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 65 by mid-afternoon.
- Present
- AQI 75
- UV peak
- 9.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 65
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
- 3:38 AM
- Moonset
- 12:56 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Browns at a glance
- Today vs. normal: 79°F — typical for the season
- Last frost: April 6 (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.