Walnut Hill, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Walnut Hill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast16%—94°72°—
- SundayJul 5Heavy Rain22%0.54″84°72°-10°
- MondayJul 6Overcast14%—87°70°+3°
- TuesdayJul 7Overcast10%—84°67°-3°
- WednesdayJul 8Overcast10%—87°67°+3°
- ThursdayJul 9Overcast29%—90°72°+3°
- FridayJul 10Thunderstorm36%0.01″87°71°-3°
AQI 46 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 43 now. With UV 4.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 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 43 now. With UV 4.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.
- Present
- AQI 43
- UV peak
- 4.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 7.4 µg/m³, PM10 at 8.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- 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
- 10:49 PM
- Moonset
- 10:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Walnut Hill at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62893
16-Day Forecast — Walnut Hill
- Sat94°72°16%
- Sun84°72°22%
- Mon87°70°14%
- Tue84°67°10%
- Wed87°67°10%
- Thu90°72°29%
- Fri87°71°36%
- Sat87°72°30%
- Sun76°61°14%
- Mon73°58°8%
- Tue78°60°10%
- Wed82°64°10%
- Thu80°65°16%
- Fri80°69°13%
- Sat84°69°23%
- Sun89°73°29%
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 — Walnut Hill
SPC has placed Walnut Hill 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 Walnut Hill
- 62893