Warrenton, Missouri Weather
Heat settles and the rain begins. Day 89 of spring. Read this microseason across nine climate regions →
Warrenton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Light Drizzle36%—79°59°—
- WednesdayJun 17Thunderstorm39%—91°62°+12°
- ThursdayJun 18Overcast27%—77°62°-14°
- FridayJun 19Overcast——78°58°+1°
- SaturdayJun 20Drizzle23%—83°59°+5°
- SundayJun 21Heavy Showers70%0.91″73°63°-10°
- MondayJun 22Overcast64%—73°58°0°
AQI 40 (Good), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise). Ozone at AQI 47 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
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 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 47
- UV peak
- 1.1 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 47
PM × Wind × Precip
PM2.5 at 4.7 µg/m³, PM10 at 6.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.76
- 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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:53 AM
- Moonset
- 9:48 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Warrenton at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: April 9 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Warrenton
- Tue79°59°36%
- Wed91°62°39%
- Thu77°62°27%
- Fri78°58°7%
- Sat83°59°23%
- Sun73°63°70%
- Mon73°58°64%
- Tue77°58°17%
- Wed81°63°14%
- Thu83°66°19%
- Fri90°68°22%
- Sat93°69°45%
- Sun94°73°23%
- Mon91°72°35%
- Tue95°71°32%
- Wed95°73°29%
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 — Warrenton
SPC has placed Warrenton in the Enhanced Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWENHEnhanced Risk
- DAY 3NONENo severe risk
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Warrenton
- 63383