Glenwood, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Glenwood weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain77%1.7″83°69°—
- SundayJul 5Light Drizzle13%0.02″76°67°-7°
- MondayJul 6Overcast——79°67°+3°
- TuesdayJul 7Overcast——87°64°+8°
- WednesdayJul 8Overcast——86°66°-1°
- ThursdayJul 9Thunderstorm50%0.17″79°68°-7°
- FridayJul 10Drizzle45%0.02″78°67°-1°
AQI 39 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 3 hours of recent rain — PM2.5 down to 9.5 µg/m³, PM10 to 10.5 µg/m³.
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 51. Overcast through the UV peak window (cloud cover ~74%) — afternoon ozone should stay flat.
- Present
- AQI 51
- UV peak
- 2.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 9.5 µg/m³, PM10 to 10.5 µg/m³.
- PM2.5/PM10
- 0.90
- Wind
- light
- Recent rain
- 3h 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
- 10:47 PM
- Moonset
- 9:54 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Glenwood at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60425
16-Day Forecast — Glenwood
- Sat83°69°77%
- Sun76°67°13%
- Mon79°67°7%
- Tue87°64°2%
- Wed86°66°4%
- Thu79°68°50%
- Fri78°67°45%
- Sat75°64°14%
- Sun81°61°10%
- Mon77°60°10%
- Tue81°61°8%
- Wed82°64°36%
- Thu85°65°31%
- Fri77°70°24%
- Sat83°69°19%
- Sun76°65°45%
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 — Glenwood
SPC has placed Glenwood in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Glenwood
- 60425