Riley, Illinois Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Riley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Showers—0.24″76°66°—
- MondayJul 6Overcast——80°62°+4°
- TuesdayJul 7Overcast——81°60°+1°
- WednesdayJul 8Overcast11%—82°65°+1°
- ThursdayJul 9Thunderstorm54%0.15″81°64°-1°
- FridayJul 10Light Drizzle38%—81°63°0°
- SaturdayJul 11Light Drizzle20%—82°65°+1°
AQI 24 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 7.6 µg/m³, PM10 to 7.9 µg/m³.
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
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 7.6 µg/m³, PM10 to 7.9 µg/m³.
- PM2.5/PM10
- 0.96
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 11:14 PM
- Moonset
- 11:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Riley at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Riley
- Sun77°66°8%
- Mon80°62°2%
- Tue81°60°0%
- Wed82°65°11%
- Thu81°64°54%
- Fri81°63°38%
- Sat82°65°20%
- Sun84°67°10%
- Mon88°68°5%
- Tue89°67°7%
- Wed75°61°13%
- Thu78°57°19%
- Fri80°60°15%
- Sat83°68°20%
- Sun85°70°19%
- Mon87°71°16%
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 — Riley
SPC includes Riley 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 Riley
- 60152