St. Francisville, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
St. Francisville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast24%—90°72°—
- SundayJul 5Light Drizzle17%0.02″85°74°-5°
- MondayJul 6Overcast16%—86°70°+1°
- TuesdayJul 7Overcast11%—83°67°-3°
- WednesdayJul 8Clear——85°65°+2°
- ThursdayJul 9T-storm w/ Hail27%—89°70°+4°
- FridayJul 10Thunderstorm42%0.19″83°72°-6°
AQI 47 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 51 now. With UV 4.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 31 around 1 PM.
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 51 now. With UV 4.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 31 around 1 PM.
- Present
- AQI 51
- UV peak
- 4.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 31
PM × Wind × Precip
PM2.5 at 8.1 µg/m³ (AQI 45) with a 0.93 fine-to-coarse ratio and 6 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
- 10:43 PM
- Moonset
- 9:58 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
St. Francisville at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Francisville
- Sat90°72°24%
- Sun85°74°17%
- Mon86°70°16%
- Tue83°67°11%
- Wed85°65°8%
- Thu89°70°27%
- Fri83°72°42%
- Sat86°72°31%
- Sun76°62°13%
- Mon72°57°7%
- Tue77°61°12%
- Wed82°63°10%
- Thu82°66°19%
- Fri79°70°23%
- Sat86°70°26%
- Sun84°73°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 — St. Francisville
SPC has placed St. Francisville 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 St. Francisville
- 62460