Mount Carroll, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mount Carroll weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle39%0.05″85°69°—
- SundayJul 5Overcast26%—85°68°0°
- MondayJul 6Mostly Clear——80°62°-5°
- TuesdayJul 7Overcast——80°59°0°
- WednesdayJul 8Overcast10%—81°60°+1°
- ThursdayJul 9Showers46%0.27″80°68°-1°
- FridayJul 10Overcast19%—78°62°-2°
AQI 26 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 8.1 µg/m³ (AQI 45) with a 0.71 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 36. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 3.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 8.1 µg/m³ (AQI 45) with a 0.71 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.71
- Wind
- calm
- 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
- 10:57 PM
- Moonset
- 10:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mount Carroll at a glance
- Today vs. normal: 9°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.
ZIP code: 61053
16-Day Forecast — Mount Carroll
- Sat85°69°39%
- Sun85°68°26%
- Mon80°62°4%
- Tue80°59°1%
- Wed81°60°10%
- Thu80°68°46%
- Fri78°62°19%
- Sat81°63°13%
- Sun67°58°8%
- Mon74°55°7%
- Tue75°59°7%
- Wed79°63°17%
- Thu81°66°16%
- Fri83°67°23%
- Sat84°69°32%
- Sun85°71°35%
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 — Mount Carroll
SPC includes Mount 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 Mount Carroll
- 61053