Cissna Park, Illinois Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Cissna Park weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Partly Cloudy——74°55°—
- TuesdayJun 16Light Rain45%0.07″75°55°+1°
- WednesdayJun 17T-storm w/ Hvy Hail95%0.23″78°53°+3°
- ThursdayJun 18Light Drizzle95%—74°57°-4°
- FridayJun 19Partly Cloudy——69°55°-5°
- SaturdayJun 20Light Drizzle—0.01″67°55°-2°
- SundayJun 21Light Drizzle43%0.05″63°61°-4°
AQI 27 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 39 now. With UV 7.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
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 39 now. With UV 7.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
- Present
- AQI 39
- UV peak
- 7.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 4.5 µg/m³, PM10 at 4.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:22 AM
- Moonset
- 8:40 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Cissna Park at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Cissna Park
- Mon74°55°1%
- Tue75°55°45%
- Wed78°53°95%
- Thu74°57°95%
- Fri69°55°2%
- Sat67°55°7%
- Sun63°61°43%
- Mon71°55°41%
- Tue73°53°15%
- Wed76°56°10%
- Thu80°60°13%
- Fri85°68°26%
- Sat89°73°46%
- Sun89°74°32%
- Mon80°67°39%
- Tue82°64°52%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Cissna Park
SPC has placed Cissna Park in the Enhanced Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3ENHEnhanced Risk
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Cissna Park
- 60924