Radar
AIR QUALITY ALERT
AIR QUALITY ALERT ISSUED APRIL 22 AT 6:59PM EDT
Effective: 2026-04-22 18:59:00 Local Time Expires: 2026-04-24 00:00:00 Local Time Issued by: NWS Charleston SC
THE SOUTH CAROLINA DEPARTMENT OF ENVIRONMENTAL SERVICES HAS ISSUEDAN AIR QUALITY ALERT FOR FINE PARTICULATES FOR ALLENDALE, BEAUFORT, BERKELEY, CHARLESTON, COLLETON, DORCHESTER, HAMPTON, AND JASPER COUNTIES IN SOUTH CAROLINA. AN AIR QUALITY ALERT MEANS THAT THE FINE PARTICULATE CONCENTRATIONS WITHIN THE SPECIFIED AREAS MAY APPROACH OR EXCEED UNHEALTHY STANDARDS FOR MOST OF THE GENERAL PUBLIC.

SOUTHERLY WINDS ON THE WEST SIDE OF HIGH PRESSURE CENTERED JUST OFF THE SOUTHEAST COAST WILL CONTINUE TRANSPORT SMOKE FROM THE SOUTHERN GEORGIA WILDFIRES INTO SOUTH CAROLINA AND THE CENTRAL SAVANNAH RIVER AREA. AS OF THE EARLY AFTERNOON HOURS WEDNESDAY, AIR QUALITY WAS ALREADY DETERIORATING OVER THE CENTRAL SAVANNAH RIVER AREA AND THE MIDLANDS. AS STABLE CONDITIONS DEVELOP THIS EVENING AND OVERNIGHT, SMOKE IS EXPECTED TO EXPAND IN COVERAGE AND BECOME MORE NOTICEABLE. SMOKE FROM THE WILDFIRES IS EXPECTED TO CONTINUE TO AFFECT THE REGION ON THURSDAY.

THE DEPARTMENT RECOMMENDS THAT INDIVIDUALS WITH RESPIRATORY HEALTH ISSUES LIMIT TIME SPENT OUTDOORS AND OR MOVE ALL ACTIVITIES INDOORS TO AVOID THE SMOKE OR FINE PARTICULATES. KEEP WINDOWS AND DOORS CLOSED. RUN AN AIR CONDITIONER IF YOU HAVE ONE BUT KEEP THE FRESH-AIR INTAKE CLOSED AND THE FILTER CLEAN TO PREVENT OUTDOOR SMOKE AND FINE PARTICULATES FROM GETTING INSIDE. PLEASE NOTE THAT LOCATIONS CLOSEST TO THE WILDFIRE ACTIVITY ARE MORE LIKELY TO EXPERIENCE SMOKE AT ANY GIVEN TIME.

FOR MORE INFORMATION ABOUT FINE PARTICULATES, PLEASE VISIT: HTTPS: FIRE.AIRNOW.GOV

FOR MORE INFORMATION ABOUT WILDFIRES AND PRESCRIBED BURNS, PLEASE VISIT: HTTPS: WWW.SCFC.GOV
View Storm Reports Map — Know the difference between Watch, Warning, Advisory
ALLENDALE, HAMPTON, INLAND COLLETON, DORCHESTER, INLAND BERKELEY, INLAND JASPER, BEAUFORT, COASTAL COLLETON, CHARLESTON, COASTAL JASPER, TIDAL BERKELEY
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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Clear

NULL F

Humidity:%
Wind Speed:NW 5.8 mph
Barometer:30.01 in
Dewpoint:55.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 08:35 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Thursday

High 80 °F
Partly Sunny

Thursday
Night
Low 57 °F
Partly Cloudy

Friday

High 80 °F
Chance of T-storms

Friday
Night
Low 55 °F
Chance of Rain
Saturday

High 66 °F
T-storms


Saturday
Night
Low 50 °F
Rain

Sunday

High 64 °F
Rain Showers Likely
Sunday
Night
Low 48 °F
Partly Cloudy

Monday

High 69 °F
Slight Chance of Rain Showers

Observation History for CHEVY CHASE, MARYLAND


Time Wind
(mph)
Vis
(mi)
Weather Precip (in) Temperature (F) Relative
Humidity
Wind
Chill
(F)
Heat
Index
(F)
Pressure
Air Dwpt altimeter
(in)
sea level
(mb)
08:35 AM EDT NW 5.8 10.00 Clear -- NULL 55.4 % NA NA 30.01 1016.3
08:15 AM EDT 4.7 10.00 Clear -- 66.2 55.4 68% NA NA 30.01 1016.3
07:55 AM EDT 3.4 10.00 Partly Cloudy -- 64.4 53.6 68% NA NA 30.01 1016.3
07:35 AM EDT 0.0 10.00 Partly Cloudy -- 60.8 53.6 77% NA NA 30.00 1015.9
07:15 AM EDT 3.4 10.00 Clear -- 53.6 51.8 94% NA NA 30.00 1015.9
06:55 AM EDT 3.4 10.00 Clear -- 53.6 51.8 94% NA NA 30.00 1015.9
06:35 AM EDT 3.4 10.00 Clear -- 51.8 50.0 94% NA NA 29.99 1015.6
06:15 AM EDT SW 3.4 10.00 NULL -- 53.6 51.8 94% NA NA 29.98 1015.2
05:35 AM EDT 5.8 10.00 Clear -- 55.4 51.8 88% NA NA 29.98 1015.2
05:15 AM EDT 4.7 10.00 Clear -- 57.2 51.8 82% NA NA 29.98 1015.2
04:55 AM EDT W 3.4 10.00 Clear -- 53.6 51.8 94% NA NA 29.97 1014.9
04:35 AM EDT SW 3.4 10.00 Clear -- 59.0 51.8 77% NA NA 29.97 1014.9
04:15 AM EDT S 3.4 10.00 Clear -- 60.8 51.8 72% NA NA 29.97 1014.9
03:55 AM EDT W 3.4 10.00 Partly Cloudy -- 59.0 51.8 77% NA NA 29.97 1014.9
03:35 AM EDT W 6.9 10.00 Partly Cloudy -- 60.8 51.8 72% NA NA 29.97 1014.9
03:15 AM EDT NW 3.4 10.00 Clear -- 60.8 51.8 72% NA NA 29.97 1014.9
02:55 AM EDT 3.4 10.00 Partly Cloudy -- 62.6 51.8 68% NA NA 29.97 1014.9
02:35 AM EDT NW 4.7 10.00 Partly Cloudy -- 62.6 51.8 68% NA NA 29.97 1014.9
02:15 AM EDT 5.8 10.00 Clear -- 62.6 51.8 68% NA NA 29.97 1014.9
01:55 AM EDT W 6.9 10.00 Clear -- 62.6 51.8 68% NA NA 29.97 1014.9
01:35 AM EDT W 6.9 10.00 Clear -- 62.6 51.8 68% NA NA 29.98 1015.2
01:15 AM EDT W 8.1 10.00 Clear -- 62.6 51.8 68% NA NA 29.98 1015.2
12:55 AM EDT W 9.2 10.00 Clear -- 62.6 51.8 68% NA NA 29.98 1015.2
12:35 AM EDT W 8.1 10.00 Clear -- 60.8 51.8 72% NA NA 29.98 1015.2

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Clear
NULL F

FREDERICK (KFDK)

Clear
51.8 F

CARROLL CNTY (KDMW)

Clear
60.8 F

NSF THURMONT (KRSP)

Clear
59.0 F

WASH DC/DULLES (KIAD)

Partly Cloudy
64.4 F

WASHINGTON/NATL (KDCA)

Partly Cloudy
64.4 F
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