Today | Weather | Wednesday, August 12, 2026
Active Weather Warnings

Weather in Charleston, West Virginia

05:46 AM
Now
Stormy Weather
68° F
Feels Like 66°
Precipitation 74 %
Wind 6 mph
Humidity 97 %
Today
Sunny with a Chance of Thunderstorms
Day 86°
Night 70°
Precipitation 55 %
Wind 6 mph
UV Index (0 - 11+) 5

Charleston Weather Forecast Updated

37 minutes ago
Last updated on

Air Quality in Charleston

NOW
16 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.16 µg/m³
PM10 3.2 µg/m³
O3 0.017 ppm
NO2 0.5 ppb
SO2 0 ppb
CO 0.09 ppm
NH3 0.07 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.53.16 µg/m³
PM103.2 µg/m³
O333.45 µg/m³
NO20.94 µg/m³
SO20.09 µg/m³
CO106.22 µg/m³
NH30.07 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Charleston

Severe Future Possible

Flood Watch

Flood Watch issued August 12 at 3:40AM EDT until August 14 at 8:00AM EDT by NWS Charleston WV
Aug 12, 3:40 AM Aug 14, 8:00 AM
WHAT: Flash flooding caused by excessive rainfall continues to be
possible.

WHERE: Portions of northeast Kentucky, including the following
counties, Boyd, Carter, Greenup and Lawrence, southeast Ohio,
including the following counties, Athens, Gallia, Jackson OH,
Lawrence OH, Meigs, Morgan, Perry, Vinton and Washington, southwest
Virginia, including the following counties, Buchanan and Dickenson,
and West Virginia, including the following counties, Barbour,
Boone, Braxton, Cabell, Calhoun, Clay, Doddridge, Gilmer, Harrison,
Jackson WV, Kanawha, Lewis, Lincoln, Logan, Mason, McDowell, Mingo,
Northwest Fayette, Northwest Nicholas, Northwest Pocahontas,
Northwest Raleigh, Northwest Randolph, Northwest Webster,
Pleasants, Putnam, Ritchie, Roane, Southeast Fayette, Southeast
Nicholas, Southeast Pocahontas, Southeast Raleigh, Southeast
Randolph, Southeast Webster, Taylor, Tyler, Upshur, Wayne, Wirt,
Wood and Wyoming.

WHEN: Through Friday morning.

IMPACTS: Soils remain saturated from recent rainfall with
additional heavy rain likely to cause significant runoff. Area
creeks and streams are already running high and could easily flood
with more heavy rain.

ADDITIONAL DETAILS:
- Rounds of thunderstorms will track through the area through early
Friday, bringing the potential for heavy downpours, which may
cause flooding.
- http://www.weather.gov/safety/flood
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You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Additional information can be found at https://www.weather.gov/rlx as well as on our X and Facebook pages.
Updated: Aug 12, 5:08 AM Source: NWS Alert