Marquette Heights, Illinois Weather
Heat settles and the rain begins. Day 89 of spring. Read this microseason across nine climate regions →
Marquette Heights weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Thunderstorm52%0.21″76°58°—
- WednesdayJun 17T-storm w/ Hail70%0.04″87°55°+11°
- ThursdayJun 18Light Drizzle—0.01″70°59°-17°
- FridayJun 19Light Drizzle——72°55°+2°
- SaturdayJun 20Light Drizzle——76°56°+4°
- SundayJun 21Drizzle61%0.04″69°57°-7°
- MondayJun 22Overcast55%—71°51°+2°
AQI 42 (Good), driven by Ozone. AQI up 15 in the last 6 hours — air quality is degrading. Ozone at AQI 47 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 47 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 47
- UV peak
- 3.8 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 47
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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:40 AM
- Moonset
- 9:49 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Marquette Heights at a glance
- Today vs. normal: 75°F — typical for the season
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Marquette Heights
- Tue76°58°52%
- Wed87°56°70%
- Thu70°59°2%
- Fri72°55°1%
- Sat76°56°9%
- Sun69°57°61%
- Mon71°51°55%
- Tue75°57°9%
- Wed78°63°10%
- Thu82°65°19%
- Fri87°68°21%
- Sat88°69°33%
- Sun89°72°29%
- Mon90°71°42%
- Tue89°70°52%
- Wed90°71°40%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 — Marquette Heights
SPC has placed Marquette Heights in the Moderate Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMDTModerate Risk
- DAY 3NONENo severe risk
Widespread severe storms expected. Tornadoes (some strong), large hail, and damaging wind gusts are likely. Stay weather-aware and review your sheltering plan.
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 Marquette Heights
- 61554