Lake Carroll, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lake Carroll weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle53%0.03″81°68°—
- SundayJul 5Overcast——83°66°+2°
- MondayJul 6Overcast——79°64°-4°
- TuesdayJul 7Overcast——80°59°+1°
- WednesdayJul 8T-storm w/ Hail30%0.13″81°64°+1°
- ThursdayJul 9Light Showers42%—78°69°-3°
- FridayJul 10Light Drizzle13%—78°66°0°
AQI 36 (Good), driven by PM2.5. AQI up 10 over the last 6 hours (gradual rise). PM2.5 at 9.2 µg/m³ (AQI 51), ratio 0.70 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
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 43 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 3.3 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 43
PM × Wind × Precip
PM2.5 at 9.2 µg/m³ (AQI 51), ratio 0.70 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.70
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 10:57 PM
- Moonset
- 10:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lake Carroll at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Lake Carroll
- Sat81°68°53%
- Sun83°66°7%
- Mon79°64°2%
- Tue80°59°1%
- Wed81°64°30%
- Thu78°69°42%
- Fri78°66°13%
- Sat74°60°9%
- Sun75°57°11%
- Mon73°57°8%
- Tue78°58°5%
- Wed76°60°32%
- Thu80°64°19%
- Fri76°66°23%
- Sat77°61°32%
- Sun74°57°25%
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 Carroll
SPC includes Lake Carroll 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 Carroll
- 61046