Winslow, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Winslow weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle41%0.02″85°67°—
- SundayJul 5Overcast24%—83°66°-2°
- MondayJul 6Light Drizzle——80°61°-3°
- TuesdayJul 7Overcast——81°59°+1°
- WednesdayJul 8Light Drizzle19%—81°61°0°
- ThursdayJul 9Showers45%0.36″75°68°-6°
- FridayJul 10Overcast27%—79°60°+4°
AQI 28 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 6.8 µg/m³ (AQI 38) with a 0.69 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
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
Ozone × UV × Sky
Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~90%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 4.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 6.8 µg/m³ (AQI 38) with a 0.69 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.69
- Wind
- calm
- 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
- 10:57 PM
- Moonset
- 10:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Winslow at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61089
16-Day Forecast — Winslow
- Sat85°67°41%
- Sun83°66°24%
- Mon80°61°2%
- Tue81°59°1%
- Wed81°61°19%
- Thu75°68°45%
- Fri79°60°27%
- Sat81°63°11%
- Sun69°58°8%
- Mon75°55°8%
- Tue77°59°8%
- Wed78°63°24%
- Thu81°66°16%
- Fri83°68°26%
- Sat86°69°23%
- Sun84°71°35%
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 — Winslow
SPC includes Winslow in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Winslow
- 61089