Limestone, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Limestone weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain66%1.6″86°70°—
- SundayJul 5Overcast17%—80°68°-6°
- MondayJul 6Overcast——80°64°0°
- TuesdayJul 7Overcast——82°61°+2°
- WednesdayJul 8Overcast21%—81°61°-1°
- ThursdayJul 9Light Drizzle32%0.05″82°68°+1°
- FridayJul 10Overcast27%—79°64°-3°
AQI 34 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 4.7 µg/m³, PM10 at 5.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:48 PM
- Moonset
- 9:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Limestone at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Limestone
- Sat86°70°66%
- Sun80°68°17%
- Mon80°64°3%
- Tue82°61°5%
- Wed81°61°21%
- Thu82°68°32%
- Fri79°64°27%
- Sat81°63°18%
- Sun70°60°7%
- Mon75°56°9%
- Tue78°60°10%
- Wed80°62°35%
- Thu83°65°24%
- Fri79°69°26%
- Sat86°69°19%
- Sun82°71°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 — Limestone
SPC has placed Limestone in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Limestone
- 60901