Streator, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Streator weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain77%0.55″85°70°—
- SundayJul 5Overcast17%—82°68°-3°
- MondayJul 6Mostly Clear——80°65°-2°
- TuesdayJul 7Overcast——80°59°0°
- WednesdayJul 8Overcast——81°64°+1°
- ThursdayJul 9Thunderstorm47%0.05″81°68°0°
- FridayJul 10Overcast39%—78°63°-3°
AQI 28 (Good), driven by Ozone. Ozone at AQI 45. Overcast through the UV peak window (cloud cover ~93%) — afternoon ozone should stay flat.
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 45. Overcast through the UV peak window (cloud cover ~93%) — afternoon ozone should stay flat.
- Present
- AQI 45
- UV peak
- 6.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 20
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 7.2 µg/m³, PM10 to 8.1 µg/m³.
- PM2.5/PM10
- 0.89
- 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
- 10:52 PM
- Moonset
- 10:00 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Streator at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61364
16-Day Forecast — Streator
- Sat85°70°77%
- Sun82°68°17%
- Mon80°65°5%
- Tue80°59°2%
- Wed81°64°7%
- Thu81°68°47%
- Fri78°63°39%
- Sat81°64°14%
- Sun69°59°9%
- Mon72°55°8%
- Tue78°59°10%
- Wed79°62°19%
- Thu82°65°19%
- Fri81°69°26%
- Sat85°69°26%
- Sun82°72°32%
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 — Streator
SPC has placed Streator 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 Streator
- 61364