Cullom, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cullom weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Thunderstorm61%1.5″86°71°—
- SundayJul 5Showers23%0.13″80°69°-6°
- MondayJul 6Overcast——81°64°+1°
- TuesdayJul 7Overcast——81°60°0°
- WednesdayJul 8Overcast23%—81°61°0°
- ThursdayJul 9Thunderstorm34%0.17″81°69°0°
- FridayJul 10Overcast34%—78°66°-3°
AQI 31 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 4.9 µg/m³ (AQI 27) with a 0.92 fine-to-coarse ratio and 5 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.
What's driving it
PM × Wind × Precip
PM2.5 at 4.9 µg/m³ (AQI 27) with a 0.92 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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
- 10:49 PM
- Moonset
- 9:58 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Cullom at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60929
16-Day Forecast — Cullom
- Sat86°71°61%
- Sun80°69°23%
- Mon81°64°4%
- Tue81°60°5%
- Wed81°61°23%
- Thu81°69°34%
- Fri78°66°34%
- Sat81°64°18%
- Sun70°59°6%
- Mon72°55°8%
- Tue77°58°10%
- Wed79°62°23%
- Thu82°65°16%
- Fri81°69°21%
- Sat85°69°26%
- Sun82°72°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 — Cullom
SPC has placed Cullom in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Cullom
- 60929