Lilbourn, Missouri Weather
Heat settles and the rain begins. Day 89 of spring. Read this microseason across nine climate regions →
Lilbourn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast10%—87°62°—
- WednesdayJun 17Thunderstorm——90°67°+3°
- ThursdayJun 18T-storm w/ Hvy Hail68%—86°69°-4°
- FridayJun 19Drizzle53%0.02″80°66°-6°
- SaturdayJun 20Overcast17%—84°63°+4°
- SundayJun 21T-storm w/ Hvy Hail56%—87°68°+3°
- MondayJun 22Heavy Drizzle62%0.17″79°67°-8°
AQI 27 (Good), driven by Ozone. AQI up 5 over the last 6 hours (gradual rise). Ozone at AQI 65 now. With UV 9.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 80 around 1 PM.
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 65 now. With UV 9.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 80 around 1 PM.
- Present
- AQI 65
- UV peak
- 9.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 80
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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:55 AM
- Moonset
- 9:33 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Lilbourn at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: March 27 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Lilbourn
- Tue87°62°10%
- Wed90°67°5%
- Thu86°69°68%
- Fri80°66°53%
- Sat84°63°17%
- Sun87°68°56%
- Mon79°67°62%
- Tue80°67°35%
- Wed82°71°27%
- Thu89°70°19%
- Fri91°72°19%
- Sat93°74°38%
- Sun93°74°48%
- Mon94°75°34%
- Tue96°77°27%
- Wed95°78°33%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 — Lilbourn
SPC has placed Lilbourn in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
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 Lilbourn
- 63862