Mount Olive, Illinois Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Mount Olive weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——84°58°—
- FridayJun 5Overcast16%—88°66°+4°
- SaturdayJun 6Light Drizzle16%—86°70°-2°
- SundayJun 7Showers35%—79°69°-7°
- MondayJun 8Heavy Drizzle65%—86°69°+7°
- TuesdayJun 9Showers35%—85°68°-1°
- WednesdayJun 10Drizzle17%0.01″82°69°-3°
Ozone at AQI 83. AQI flat over the last 6 hours (within ±3 points). Overcast through the UV peak window (cloud cover ~95%) — 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 83. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
- Present
- AQI 83
- UV peak
- 7.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 7.1 µg/m³, PM10 at 8.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.85
- Wind
- breezy
- 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
- 4:25 AM
- Moonset
- 2:04 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Mount Olive at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Mount Olive
SPC has placed Mount Olive in the General Thunderstorms category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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.