Radar
AIR QUALITY ALERT
AIR QUALITY ALERT ISSUED APRIL 22 AT 2:01PM EDT
Effective: 2026-04-22 14:01:00 Local Time Expires: 2026-04-23 05:00:00 Local Time Issued by: NWS Wilmington NC
THE SOUTH CAROLINA DEPARTMENT OF ENVIRONMENTAL SERVICES (SCDES) HASISSUED AN AIR QUALITY ALERT FOR FINE PARTICULATES FOR THE FOLLOWING COUNTIES IN NORTHEASTERN SOUTH CAROLINA:

GEORGETOWN AND WILLIAMSBURG.

THE AIR QUALITY ALERT IS IN EFFECT THROUGH THURSDAY, APRIL 23RD. AN AIR QUALITY ALERT MEANS THAT THE FINE PARTICULATE CONCENTRATIONS WITHIN THE SPECIFIED AREA MAY APPROACH OR EXCEED UNHEALTHY STANDARDS DUE TO LARGE WILDFIRES BURNING OVER SOUTHERN GEORGIA.

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 REGION 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.

SOUTH CAROLINA DEPARTMENT OF ENVIRONMENTAL SERVICES 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.

SOUTH CAROLINA AIR QUALITY FORECAST: HTTPS: DES.SC.GOV PROGRAMS BUREAU-AIR-QUALITY AIR-QUALITY-FORECAST

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

FOR MORE INFORMATION ABOUT WILDFIRES PRESCRIBED BURNS, PLEASE VISIT: HTTPS: WWW.SCFC.GOV
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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Clear

62.6 F

Humidity:68%
Wind Speed:W 8.1 mph
Barometer:29.98 in
Dewpoint:51.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 01:15 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Thursday

High 82 °F
Partly Sunny

Thursday
Night
Low 59 °F
Partly Cloudy

Friday

High 80 °F
Chance of T-storms

Friday
Night
Low 53 °F
Chance of Rain
Saturday

High 66 °F
Rain Showers Likely
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)
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
12:15 AM EDT 10.00 Clear -- NULL % NA NA M
11:55 PM EDT W 9.2 10.00 Clear -- 60.8 50.0 68% NA NA 29.98 1015.2
11:35 PM EDT W 9.2 10.00 Clear -- 62.6 50.0 63% NA NA 29.98 1015.2
11:15 PM EDT W 8.1 10.00 Clear -- 60.8 50.0 68% NA NA 29.98 1015.2
10:55 PM EDT W 11.4 10.00 Clear -- 62.6 50.0 63% NA NA 29.97 1014.9
10:35 PM EDT W 10.3 10.00 Clear -- 62.6 50.0 63% NA NA 29.97 1014.9
10:15 PM EDT W 10.3 10.00 Clear -- 62.6 50.0 63% NA NA 29.97 1014.9
09:55 PM EDT W 6.9 10.00 Clear -- 62.6 50.0 63% NA NA 29.97 1014.9
09:35 PM EDT 5.8 10.00 Clear -- 62.6 50.0 63% NA NA 29.96 1014.6
09:15 PM EDT W 8.1 10.00 Clear -- 64.4 50.0 60% NA NA 29.96 1014.6
08:55 PM EDT W 6.9 10.00 Clear -- 66.2 50.0 56% NA NA 29.95 1014.2
08:35 PM EDT W 8.1 10.00 Clear -- 68.0 50.0 53% NA NA 29.95 1014.2
08:15 PM EDT W 9.2 10.00 Clear -- 68.0 50.0 53% NA NA 29.94 1013.9
07:35 PM EDT W 6.9 10.00 Clear -- 71.6 51.8 50% NA 70.9 29.92 1013.2
07:15 PM EDT W 9.2 10.00 Clear -- 73.4 51.8 47% NA 72.7 29.92 1013.2
06:55 PM EDT 13.9 G 20.8 10.00 Clear -- 73.4 51.8 47% NA 72.7 29.92 1013.2
06:35 PM EDT 12.8 G 24.2 10.00 Clear -- 75.2 51.8 44% NA 74.5 29.92 1013.2
06:15 PM EDT W 16.1 G 23.0 10.00 Clear -- 77.0 51.8 41% NA 76.3 29.92 1013.2
05:55 PM EDT W 10.3 10.00 Clear -- 77.0 51.8 41% NA 76.3 29.92 1013.2
05:35 PM EDT G 19.7 10.00 Partly Cloudy -- 77.0 51.8 41% NA 76.3 29.92 1013.2
05:15 PM EDT 11.4 G 18.3 10.00 Mostly Cloudy -- 77.0 53.6 44% NA 76.5 29.92 1013.2

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Clear
62.6 F

FREDERICK (KFDK)

Clear
NULL F

CARROLL CNTY (KDMW)

Clear
64.4 F

NSF THURMONT (KRSP)

Clear
60.1 F

WASH DC/DULLES (KIAD)

Clear
55.4 F

WASHINGTON/NATL (KDCA)

Clear
64.4 F
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