Kaskaskia, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Kaskaskia weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast16%—84°70°—
- MondayJul 6Overcast——89°71°+5°
- TuesdayJul 7Light Drizzle——85°70°-4°
- WednesdayJul 8Mostly Clear——90°66°+5°
- ThursdayJul 9Overcast37%—98°74°+8°
- FridayJul 10Showers46%0.27″93°71°-5°
- SaturdayJul 11Drizzle37%—90°71°-3°
AQI 35 (Good), driven by PM2.5. AQI projected to climb to 51 over the next 6 hours. PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.84 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 46. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
- Present
- AQI 46
- UV peak
- 5.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.84 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- 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
- 11:16 PM
- Moonset
- 11:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Kaskaskia at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Kaskaskia
- Sun84°70°16%
- Mon89°71°8%
- Tue85°70°5%
- Wed90°66°6%
- Thu98°74°37%
- Fri93°71°46%
- Sat90°71°37%
- Sun92°71°15%
- Mon96°73°8%
- Tue107°77°5%
- Wed85°70°11%
- Thu85°62°17%
- Fri90°64°31%
- Sat98°70°32%
- Sun104°76°14%
- Mon101°77°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Kaskaskia
SPC includes Kaskaskia 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 Kaskaskia
- 63673