Richmond, Illinois Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Richmond weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——85°54°—
- FridayJun 5Heavy Rain57%0.83″74°65°-11°
- SaturdayJun 6Light Drizzle59%—85°64°+11°
- SundayJun 7Overcast——76°61°-9°
- MondayJun 8Light Showers45%0.15″69°63°-7°
- TuesdayJun 9Light Showers36%0.03″84°68°+15°
- WednesdayJun 10Light Showers21%0.04″84°66°0°
Ozone at AQI 104 now. AQI up 11 over the last 6 hours (gradual rise). With UV 7.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 101 by mid-afternoon.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 104 now. With UV 7.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 101 by mid-afternoon.
- Present
- AQI 104
- UV peak
- 7.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 101
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
- 4:31 AM
- Moonset
- 1:47 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Richmond at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: May 1 (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 — Richmond
SPC has placed Richmond in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- 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.