Charleston, Missouri Weather
Sun climbs to its northern throne. Day 86 of spring. Read this microseason across nine climate regions →
Charleston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 13Thunderstorm46%—89°70°—
- SundayJun 14Rain47%0.18″76°66°-13°
- MondayJun 15Overcast——76°60°0°
- TuesdayJun 16Overcast——81°61°+5°
- WednesdayJun 17Thunderstorm24%—87°67°+6°
- ThursdayJun 18Heavy Drizzle60%—83°70°-4°
- FridayJun 19Drizzle60%—80°66°-3°
AQI 36 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.93 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.93 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 3:50 AM
- Moonset
- —
- In sign
- ♉︎ Taurus
Sun climbs to its northern throne
Charleston at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: March 29 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Prune spring-blooming shrubs after flowers fade.
15-Day Forecast — Charleston
- Sat88°70°46%
- Sun76°66°47%
- Mon76°60°1%
- Tue81°61°8%
- Wed87°67°24%
- Thu83°70°60%
- Fri80°66°60%
- Sat80°63°34%
- Sun84°69°40%
- Mon85°71°40%
- Tue86°69°28%
- Wed83°72°27%
- Thu92°73°23%
- Fri83°68°23%
- Sat78°62°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 13, 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 — Charleston
SPC has placed Charleston in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Charleston
- 63834