Alto Pass, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Alto Pass weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain24%0.69″93°70°—
- SundayJul 5Heavy Rain27%0.93″87°70°-6°
- MondayJul 6T-storm w/ Hail31%—87°71°0°
- TuesdayJul 7Overcast32%—88°68°+1°
- WednesdayJul 8Partly Cloudy17%—88°65°0°
- ThursdayJul 9Overcast27%—92°70°+4°
- FridayJul 10Heavy Drizzle41%0.04″89°72°-3°
AQI 53 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 42 now. With UV 6.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 35 around 1 PM.
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 42 now. With UV 6.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 35 around 1 PM.
- Present
- AQI 42
- UV peak
- 6.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 35
PM × Wind × Precip
PM2.5 at 6.4 µg/m³ (AQI 36) 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
- 10:49 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Alto Pass at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62905
16-Day Forecast — Alto Pass
- Sat93°70°23%
- Sun87°70°36%
- Mon87°71°31%
- Tue88°68°32%
- Wed88°65°17%
- Thu92°70°27%
- Fri89°72°41%
- Sat88°68°25%
- Sun81°64°16%
- Mon78°57°8%
- Tue78°59°10%
- Wed85°63°10%
- Thu79°65°13%
- Fri79°67°10%
- Sat88°70°23%
- Sun90°71°20%
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 — Alto Pass
SPC has placed Alto Pass 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 Alto Pass
- 62905