McLeansboro, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
McLeansboro weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast18%—92°69°—
- SundayJul 5Light Drizzle43%0.03″88°72°-4°
- MondayJul 6Overcast23%—83°68°-5°
- TuesdayJul 7Clear12%—83°63°0°
- WednesdayJul 8Mostly Clear14%—89°65°+6°
- ThursdayJul 9Overcast33%—94°70°+5°
- FridayJul 10Light Drizzle39%—94°76°0°
AQI 51 (Moderate), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 50. Overcast through the UV peak window (cloud cover ~66%) — 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 50. Overcast through the UV peak window (cloud cover ~66%) — afternoon ozone should stay flat.
- Present
- AQI 50
- UV peak
- 7.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 24
PM × Wind × Precip
PM2.5 at 8.3 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- Wind
- light
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:46 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
McLeansboro at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: April 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62859
16-Day Forecast — McLeansboro
- Sat92°69°18%
- Sun88°72°43%
- Mon83°68°23%
- Tue83°63°12%
- Wed89°65°14%
- Thu94°70°33%
- Fri94°76°39%
- Sat84°67°34%
- Sun79°60°16%
- Mon80°58°9%
- Tue78°60°9%
- Wed84°59°10%
- Thu88°65°16%
- Fri89°70°14%
- Sat82°68°26%
- Sun79°67°26%
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 — McLeansboro
SPC has placed McLeansboro 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 McLeansboro
- 62859