Lynn Center, Illinois Weather
Cicadas claim the afternoon. Day 13 of summer. Read this microseason across nine climate regions →
Lynn Center weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 3Heavy Rain39%0.73″89°70°—
- SaturdayJul 4Light Drizzle29%—90°71°+1°
- SundayJul 5Overcast29%—85°66°-5°
- MondayJul 6Light Drizzle——79°66°-6°
- TuesdayJul 7Overcast——81°63°+2°
- WednesdayJul 8Overcast17%—83°65°+2°
- ThursdayJul 9Showers28%0.32″81°68°-2°
AQI 42 (Good), driven by Ozone. AQI up 15 in the last 6 hours — air quality is degrading. Ozone at AQI 40 — peak already passed at 1 PM under overcast 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 40 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 40
- UV peak
- 0.9 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 40
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
- 10:34 PM
- Moonset
- 9:00 AM
- In sign
- ♒︎ Aquarius
Cicadas claim the afternoon
Lynn Center at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61262
16-Day Forecast — Lynn Center
- Fri89°70°39%
- Sat90°71°29%
- Sun85°66°29%
- Mon79°66°9%
- Tue81°63°4%
- Wed83°65°17%
- Thu81°68°28%
- Fri80°67°27%
- Sat79°63°16%
- Sun81°67°13%
- Mon81°64°9%
- Tue79°64°29%
- Wed78°59°15%
- Thu86°64°13%
- Fri77°64°20%
- Sat73°58°42%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 3, 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 — Lynn Center
SPC has placed Lynn Center in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- 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 Lynn Center
- 61262