La Prairie, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
La Prairie weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast17%—88°71°—
- SundayJul 5Overcast20%—84°69°-4°
- MondayJul 6Overcast——81°67°-3°
- TuesdayJul 7Overcast——83°63°+2°
- WednesdayJul 8Overcast——89°65°+6°
- ThursdayJul 9Showers42%0.06″85°70°-4°
- FridayJul 10Drizzle42%—84°68°-1°
AQI 46 (Good), driven by Ozone. AQI up 16 in the last 6 hours — air quality is degrading. Ozone at AQI 48 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 48 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 48
- UV peak
- 2.1 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 6.7 µg/m³, PM10 at 8.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.75
- Wind
- breezy
- 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
- 10:58 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
La Prairie at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62346
16-Day Forecast — La Prairie
- Sat87°71°17%
- Sun84°71°20%
- Mon81°67°4%
- Tue83°63°1%
- Wed89°65°3%
- Thu85°70°42%
- Fri84°68°42%
- Sat72°62°17%
- Sun76°59°12%
- Mon76°58°7%
- Tue77°57°6%
- Wed82°58°15%
- Thu85°65°19%
- Fri82°67°16%
- Sat82°66°29%
- Sun76°61°23%
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 — La Prairie
SPC has placed La Prairie in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 La Prairie
- 62346