Keensburg, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Keensburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast25%—92°71°—
- SundayJul 5Overcast19%—85°73°-7°
- MondayJul 6Overcast19%—86°70°+1°
- TuesdayJul 7Overcast10%—83°68°-3°
- WednesdayJul 8Clear——86°66°+3°
- ThursdayJul 9Thunderstorm35%—89°70°+3°
- FridayJul 10Heavy Drizzle44%0.02″84°72°-5°
AQI 44 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 50. Overcast through the UV peak window (cloud cover ~70%) — 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 50. Overcast through the UV peak window (cloud cover ~70%) — afternoon ozone should stay flat.
- Present
- AQI 50
- UV peak
- 5.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 6.4 µg/m³ (AQI 36) with a 0.93 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 10:44 PM
- Moonset
- 9:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Keensburg at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62852
16-Day Forecast — Keensburg
- Sat92°71°25%
- Sun85°73°19%
- Mon86°70°19%
- Tue83°68°10%
- Wed86°66°8%
- Thu89°70°35%
- Fri84°72°44%
- Sat86°73°33%
- Sun76°63°15%
- Mon74°58°7%
- Tue78°61°12%
- Wed82°63°19%
- Thu82°66°20%
- Fri77°70°16%
- Sat85°70°29%
- Sun86°72°29%
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 — Keensburg
SPC has placed Keensburg 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 Keensburg
- 62863
- 62852