Jonesboro, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Jonesboro weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—93°71°—
- SundayJul 5Heavy Rain43%0.79″88°72°-5°
- MondayJul 6T-storm w/ Hail35%—87°71°-1°
- TuesdayJul 7Overcast31%—89°69°+2°
- WednesdayJul 8Mostly Clear17%—89°66°0°
- ThursdayJul 9Overcast26%—93°71°+4°
- FridayJul 10Drizzle44%0.01″90°73°-3°
AQI 52 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 44 now. With UV 6.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 41 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 44 now. With UV 6.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 41 around 1 PM.
- Present
- AQI 44
- UV peak
- 6.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 41
PM × Wind × Precip
PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.90 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- 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
- 10:48 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Jonesboro at a glance
- Today vs. normal: 13°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: 62952
16-Day Forecast — Jonesboro
- Sat93°71°20%
- Sun88°72°43%
- Mon87°71°35%
- Tue89°69°31%
- Wed89°66°17%
- Thu93°71°26%
- Fri90°73°44%
- Sat88°69°27%
- Sun82°66°17%
- Mon79°58°8%
- Tue79°59°10%
- Wed85°63°10%
- Thu79°65°13%
- Fri79°67°10%
- Sat89°70°23%
- Sun91°72°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 — Jonesboro
SPC has placed Jonesboro 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 Jonesboro
- 62952