Long Lake, Illinois Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Long Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain70%0.69″82°67°—
- SundayJul 5Overcast14%—79°64°-3°
- MondayJul 6Overcast——77°61°-2°
- TuesdayJul 7Overcast——81°60°+4°
- WednesdayJul 8Thunderstorm25%0.15″82°63°+1°
- ThursdayJul 9Heavy Drizzle49%0.11″72°63°-10°
- FridayJul 10Overcast33%—77°59°+5°
AQI 46 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 38. Overcast through the UV peak window (cloud cover ~99%) — 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 38. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.96 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 11:12 PM
- Moonset
- 11:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Long Lake at a glance
- Today vs. normal: 68°F — typical for the season
- Last frost: April 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Long Lake
- Sat82°66°70%
- Sun79°63°14%
- Mon77°61°2%
- Tue81°60°2%
- Wed82°63°25%
- Thu72°63°49%
- Fri77°59°33%
- Sat74°56°9%
- Sun76°56°7%
- Mon76°58°8%
- Tue81°64°8%
- Wed83°61°18%
- Thu79°64°26%
- Fri82°68°19%
- Sat87°76°23%
- Sun83°62°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Long Lake
SPC includes Long Lake 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 Long Lake
- 60073
- 60041