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FROST ADVISORY
FROST ADVISORY ISSUED APRIL 19 AT 1:52AM CDT UNTIL APRIL 19 AT 9:00AM CDT
Effective: 2026-04-19 01:52:00 Local Time Expires: 2026-04-19 09:00:00 Local Time Issued by: NWS Chicago IL
Alert Text
* WHAT...FOR THE FROST ADVISORY, TEMPERATURES AS LOW AS 32 WILLRESULT IN FROST FORMATION. FOR THE FREEZE WARNING, SUB-FREEZING TEMPERATURES AS LOW AS 27 EXPECTED, WITH THE COLDEST CONDITIONS ACROSS INTERIOR NORTHERN ILLINOIS.

* WHERE...PORTIONS OF CENTRAL, EAST CENTRAL, NORTH CENTRAL, AND NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

* WHEN...FOR THE FROST ADVISORY, UNTIL 9 AM CDT 10 AM EDT THIS MORNING. FOR THE FREEZE WARNING, FROM MIDNIGHT CDT 1 AM EDT TONIGHT TO 9 AM CDT 10 AM EDT MONDAY.

* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR PLUMBING. FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
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Target Area
WINNEBAGO, BOONE, MCHENRY, LAKE, OGLE, LEE, DE KALB, KANE, DUPAGE, LA SALLE, KENDALL, GRUNDY, KANKAKEE, LIVINGSTON, IROQUOIS, FORD, NORTHERN WILL, SOUTHERN WILL, EASTERN WILL, LAKE, PORTER, NEWTON, JASPER, BENTON
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Hazardous Weather Conditions

Freeze Watch issued April 18 at 11:59PM EDT until April 21 at 10:00AM EDT

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Cloudy

53.6 F
Humidity:94%
Wind Speed: 17.2 G 27.7 mph
Barometer: in
Dewpoint:51.8 F
Visibility:7.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 19 2026, 06:15 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Sunday

High 57 °F
Rain Showers
Sunday
Night
Low 44 °F
Mostly Cloudy
Monday

High 53 °F
Partly Sunny
Monday
Night
Low 33 °F
Mostly Clear
Tuesday

High 60 °F
Mostly Sunny
Tuesday
Night
Low 48 °F
Slight Chance of Rain
Wednesday

High 73 °F
Chance of Rain Showers
Wednesday
Night
Low 50 °F
Partly Cloudy
Thursday

High 77 °F
Mostly 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)
06:15 AM EDT 17.2 G 27.7 7.00 Cloudy -- 53.6 51.8 94% NA NA M
05:55 AM EDT G 31.1 10.00 Cloudy -- 53.6 53.6 100% NA NA 29.85 1010.8
05:35 AM EDT G 27.7 10.00 Light Rain -- 55.4 55.4 100% NA NA M
05:15 AM EDT G 41.4 7.00 Light Rain -- 59.0 59.0 100% NA NA 29.82 1009.8
04:55 AM EDT 0.0 5.00 Light Rain -- 60.8 60.8 100% NA NA 29.79 1008.8
04:35 AM EDT 0.0 5.00 Rain -- 60.8 60.8 100% NA NA 29.79 1008.8
04:15 AM EDT 0.0 3.00 NULL -- 60.8 60.8 100% NA NA 29.78 1008.5
03:55 AM EDT 0.0 7.00 Light Rain -- 62.6 62.6 100% NA NA 29.79 1008.8
03:35 AM EDT NE 3.4 10.00 Cloudy -- 62.6 60.8 94% NA NA 29.79 1008.8
03:15 AM EDT 0.0 7.00 Light Rain -- 62.6 60.8 94% NA NA 29.79 1008.8
02:55 AM EDT 3.4 10.00 Cloudy -- 62.6 60.8 94% NA NA 29.81 1009.2
02:35 AM EDT 0.0 10.00 Cloudy -- 62.6 60.8 94% NA NA 29.81 1009.5
02:15 AM EDT 3.4 10.00 Light Rain -- 64.4 60.8 88% NA NA 29.81 1009.5
01:55 AM EDT NE 5.8 10.00 Cloudy -- 66.2 60.8 83% NA NA 29.82 1009.8
01:35 AM EDT 10.3 10.00 Cloudy -- 68.0 60.8 78% NA NA 29.83 1010.2
01:15 AM EDT 3.4 10.00 NULL -- 68.0 60.8 78% NA NA 29.84 1010.5
12:55 AM EDT 0.0 10.00 Cloudy -- 66.2 60.8 83% NA NA 29.85 1010.8
12:35 AM EDT 0.0 10.00 Cloudy -- 68.0 60.8 78% NA NA 29.85 1010.8
12:15 AM EDT 0.0 10.00 NULL -- 68.0 60.8 78% NA NA 29.86 1011.2
11:55 PM EDT E 4.7 10.00 Cloudy -- 68.0 60.8 78% NA NA 29.84 1010.5
11:35 PM EDT E 3.4 10.00 Light Rain -- 69.8 60.8 73% NA NA 29.85 1010.8
11:15 PM EDT E 4.7 10.00 NULL -- 69.8 60.8 73% NA NA 29.85 1010.8
10:55 PM EDT 4.7 10.00 Cloudy -- 69.8 60.8 73% NA NA M
10:35 PM EDT 5.8 10.00 Mostly Cloudy -- 69.8 60.8 73% NA NA 29.83 1010.2

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Cloudy
53.6 F

FREDERICK (KFDK)

Cloudy
51.1 F

CARROLL CNTY (KDMW)

Cloudy
53.6 F

NSF THURMONT (KRSP)

Light Rain
43.0 F

WASH DC/DULLES (KIAD)

Light Rain
55.4 F

WASHINGTON/NATL (KDCA)

Light Rain
60.8 F
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