Lake Summerset, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lake Summerset weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle45%0.01″84°67°—
- SundayJul 5Overcast19%—82°66°-2°
- MondayJul 6Overcast——80°62°-2°
- TuesdayJul 7Overcast——81°58°+1°
- WednesdayJul 8Light Drizzle16%—81°61°0°
- ThursdayJul 9Showers46%0.35″75°68°-6°
- FridayJul 10Overcast32%—79°60°+4°
AQI 28 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 33. Overcast through the UV peak window (cloud cover ~91%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 33. Overcast through the UV peak window (cloud cover ~91%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 3.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 5.7 µg/m³ (AQI 32) with a 0.72 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.72
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:55 PM
- Moonset
- 10:01 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lake Summerset at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Lake Summerset
- Sat84°67°45%
- Sun82°66°19%
- Mon80°62°2%
- Tue81°58°1%
- Wed81°61°16%
- Thu75°68°46%
- Fri79°60°32%
- Sat81°62°12%
- Sun68°58°8%
- Mon74°55°8%
- Tue76°59°8%
- Wed78°61°26%
- Thu82°66°16%
- Fri83°67°23%
- Sat86°69°26%
- Sun83°71°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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.
SPC Convective Outlook
Storm Prediction Center — Lake Summerset
SPC includes Lake Summerset in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Lake Summerset
- 61019