Burlington, Illinois Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Burlington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——83°56°—
- FridayJun 5Heavy Showers59%1.6″74°65°-9°
- SaturdayJun 6Light Showers55%—83°66°+9°
- SundayJun 7Showers15%—81°65°-2°
- MondayJun 8Drizzle59%—74°67°-7°
- TuesdayJun 9Heavy Drizzle49%0.02″84°69°+10°
- WednesdayJun 10Thunderstorm27%0.15″87°69°+3°
Ozone at AQI 71. AQI up 46 in the last 6 hours — air quality is degrading. 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 71. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 71
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 5.7 µg/m³, PM10 at 6.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.83
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 4:59 AM
- Moonset
- 2:56 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Burlington at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 28 (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 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 — Burlington
SPC has placed Burlington in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
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.