Pontoosuc, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Pontoosuc weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——88°70°—
- MondayJul 6Mostly Clear——88°67°0°
- TuesdayJul 7Overcast——84°65°-4°
- WednesdayJul 8Overcast——87°66°+3°
- ThursdayJul 9Thunderstorm35%—87°68°0°
- FridayJul 10Light Drizzle47%0.01″79°69°-8°
- SaturdayJul 11Heavy Drizzle23%0.09″85°67°+6°
AQI 26 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 38 now. With UV 4.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 22 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 38 now. With UV 4.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 22 around 1 PM.
- Present
- AQI 38
- UV peak
- 4.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 22
PM × Wind × Precip
PM2.5 at 5.1 µg/m³ (AQI 28) 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
- 11:23 PM
- Moonset
- 11:17 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Pontoosuc at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Pontoosuc
- Sun88°70°9%
- Mon88°67°2%
- Tue84°65°0%
- Wed87°66°4%
- Thu87°68°35%
- Fri79°69°47%
- Sat85°67°23%
- Sun88°70°8%
- Mon93°71°4%
- Tue93°77°4%
- Wed78°64°7%
- Thu78°60°20%
- Fri86°64°26%
- Sat88°69°24%
- Sun88°73°23%
- Mon91°74°19%
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 — Pontoosuc
SPC includes Pontoosuc in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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 Pontoosuc
- 62330
- 62358