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SPECIAL WEATHER STATEMENT
SPECIAL WEATHER STATEMENT ISSUED APRIL 30 AT 4:16AM CDT
Effective: 2026-04-30 04:16:00 Local Time [EXPIRED] Expires: 2026-04-30 08:00:00 Local Time Issued by: NWS Chicago IL
Alert Text
PATCHY DENSE FOG WITH LOCALIZED VISIBILITY BELOW ONE HALF OF AMILE WILL CONTINUE THIS MORNING, ESPECIALLY ALONG AND EAST OF INTERSTATE 57. THE FOG WILL BE THICKEST IN OPEN AREAS, SUCH AS FARM FIELDS, RIVER VALLEYS, AND DITCHES.

IF TRAVELING THIS MORNING, USE LOW BEAM HEADLIGHTS AND INCREASE FOLLOWING DISTANCES.

IF CONDITIONS CONTINUE TO WORSEN ACROSS A WIDESPREAD BASIS, A DENSE FOG ADVISORY MAY BE ISSUED. FOG IS EXPECTED TO ERODE RAPIDLY BETWEEN 7 AND 9 AM THIS MORNING.
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Target Area
KANKAKEE, IROQUOIS, FORD, SOUTHERN COOK, NORTHERN WILL, SOUTHERN WILL, EASTERN WILL, LAKE, PORTER, NEWTON, JASPER, BENTON

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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Partly Cloudy

64.4 F
Humidity:45%
Wind Speed:W 16.1 G 28.9 mph
Barometer:29.83 in
Dewpoint:42.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 30 2026, 11:55 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Thursday

High 66 °F
Mostly Cloudy
Thursday
Night
Low 42 °F
Mostly Clear
Friday

High 66 °F
Chance of Rain Showers
Friday
Night
Low 46 °F
Chance of Rain
Saturday

High 59 °F
Chance of Rain
Saturday
Night
Low 42 °F
Chance of Rain
Sunday

High 62 °F
Partly Sunny
Sunday
Night
Low 44 °F
Mostly Clear
Monday

High 73 °F
Partly Sunny

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)
11:55 AM EDT W 16.1 G 28.9 10.00 Partly Cloudy -- 64.4 42.8 45% NA NA 29.83 1010.2
11:35 AM EDT G 25.3 10.00 Partly Cloudy -- 62.6 44.6 52% NA NA 29.83 1010.2
11:15 AM EDT G 23.0 10.00 NULL -- 62.6 46.4 55% NA NA 29.83 1010.2
10:55 AM EDT NW 12.8 G 18.3 10.00 Mostly Cloudy -- 60.8 46.4 59% NA NA 29.84 1010.5
10:35 AM EDT 10.3 G 16.1 10.00 Mostly Cloudy -- 60.8 46.4 59% NA NA 29.84 1010.5
10:15 AM EDT NW 16.1 G 23.0 10.00 Partly Cloudy -- 60.8 44.6 55% NA NA 29.85 1010.8
09:55 AM EDT 10.00 Clear -- 60.8 48.2 63% NA NA 29.84 1010.5
09:35 AM EDT G 21.9 10.00 Clear -- 59.0 48.2 67% NA NA 29.84 1010.5
09:15 AM EDT 9.2 10.00 Clear -- 59.0 48.2 67% NA NA 29.83 1010.2
08:55 AM EDT G 21.9 10.00 Clear -- 59.0 48.2 67% NA NA 29.83 1010.2
08:35 AM EDT NW 11.4 G 16.1 10.00 Clear -- 57.2 50.0 77% NA NA 29.82 1009.8
08:15 AM EDT NW 6.9 10.00 Clear -- 55.4 51.8 88% NA NA 29.83 1010.2
07:55 AM EDT 5.8 10.00 Clear -- 53.6 51.8 94% NA NA 29.83 1010.2
07:35 AM EDT 3.4 10.00 Clear -- 51.8 50.0 94% NA NA 29.83 1010.2
07:15 AM EDT W 5.8 10.00 Clear -- 51.8 51.8 100% NA NA 29.83 1010.2
06:55 AM EDT W 5.8 10.00 Clear -- 51.8 50.0 94% NA NA 29.82 1009.8
06:35 AM EDT W 5.8 10.00 Clear -- 51.8 50.0 94% NA NA 29.81 1009.5
06:15 AM EDT NW 6.9 10.00 Clear -- 51.8 50.0 94% NA NA 29.79 1008.8
05:35 AM EDT W 4.7 10.00 Clear -- 50.0 50.0 100% NA NA 29.79 1008.8
05:15 AM EDT 4.7 10.00 Clear -- 50.0 50.0 100% NA NA 29.79 1008.8
04:55 AM EDT W 4.7 10.00 Clear -- 50.0 50.0 100% NA NA 29.81 1009.2
04:35 AM EDT 5.8 10.00 Clear -- 51.8 51.8 100% NA NA 29.79 1008.8
04:15 AM EDT 0.0 10.00 Clear -- 51.8 51.8 100% NA NA 29.78 1008.5
03:55 AM EDT 0.0 10.00 Clear -- 51.8 51.8 100% NA NA 29.77 1008.1

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Partly Cloudy
64.4 F

FREDERICK (KFDK)

Mostly Clear
62.6 F

CARROLL CNTY (KDMW)

Partly Cloudy
64.4 F

NSF THURMONT (KRSP)

Mostly Clear
55.0 F

WASH DC/DULLES (KIAD)

Partly Cloudy
64.4 F

WASHINGTON/NATL (KDCA)

Mostly Cloudy
64.4 F
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