Neponset, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Neponset weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast58%—84°69°—
- SundayJul 5Foggy24%—83°68°-1°
- MondayJul 6Overcast——80°64°-3°
- TuesdayJul 7Overcast——79°58°-1°
- WednesdayJul 8Overcast10%—82°63°+3°
- ThursdayJul 9Thunderstorm43%0.01″81°67°-1°
- FridayJul 10Overcast30%—78°63°-3°
AQI 23 (Good), driven by PM2.5. AQI projected to climb to 41 over the next 6 hours. PM2.5 at 6.6 µg/m³, PM10 at 7.5 µg/m³ — typical background levels with no transport signature.
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 34. Overcast through the UV peak window (cloud cover ~87%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 4.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 6.6 µg/m³, PM10 at 7.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- 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
- 10:55 PM
- Moonset
- 10:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Neponset at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61345
16-Day Forecast — Neponset
- Sat84°69°58%
- Sun83°68°24%
- Mon80°64°5%
- Tue79°58°1%
- Wed82°63°10%
- Thu81°67°43%
- Fri78°63°30%
- Sat81°65°16%
- Sun66°58°10%
- Mon72°55°8%
- Tue74°59°9%
- Wed78°62°16%
- Thu81°65°16%
- Fri82°68°29%
- Sat84°69°19%
- Sun84°71°32%
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 — Neponset
SPC has placed Neponset 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 Neponset
- 61345