Lambert, Missouri Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Lambert weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——82°55°—
- ThursdayJun 4Overcast——85°63°+3°
- FridayJun 5Light Drizzle—0.01″81°63°-4°
- SaturdayJun 6Light Drizzle——87°66°+6°
- SundayJun 7Light Showers36%0.01″79°71°-8°
- MondayJun 8Showers60%0.09″82°70°+3°
- TuesdayJun 9Drizzle43%—89°73°+7°
Ozone at AQI 47. AQI up 26 in the last 6 hours — air quality is degrading. Overcast through the UV peak window (cloud cover ~100%) — 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 47. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 47
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 4.7 µg/m³ (AQI 26) with a 0.94 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- light
- 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).










































A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:18 AM
- Moonset
- 2:08 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Lambert at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: March 30 (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.