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FREEZE WARNING
FREEZE WARNING ISSUED APRIL 20 AT 2:34AM CDT UNTIL APRIL 20 AT 9:00AM CDT
Effective: 2026-04-20 02:34:00 Local Time Expires: 2026-04-20 09:00:00 Local Time Issued by: NWS Chicago IL
Alert Text
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 26 EXPECTED, WITH THECOLDEST CONDITIONS ACROSS INTERIOR NORTHERN ILLINOIS.

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

* WHEN...UNTIL 9 AM CDT 10 AM EDT THIS MORNING.

* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR PLUMBING.
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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 COOK, SOUTHERN COOK, NORTHERN WILL, SOUTHERN WILL, EASTERN WILL, LAKE, PORTER, NEWTON, JASPER, BENTON
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Storm report data provided by WxData.com

Hazardous Weather Conditions

Freeze Watch issued April 18 at 11:59PM EDT until April 21 at 10:00AM EDT
Freeze Watch issued April 19 at 8:38AM EDT until April 21 at 10:00AM EDT
Freeze Watch issued April 19 at 1:20PM EDT until April 21 at 10:00AM EDT
Freeze Watch issued April 19 at 9:13PM EDT until April 21 at 10:00AM EDT
Freeze Warning issued April 19 at 11:35PM EDT until April 21 at 10:00AM EDT

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Mostly Cloudy

44.6 F
Humidity:70%
Wind Speed:W 6.9 mph
Barometer:30.16 in
Dewpoint:35.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:40.6 F
Apr 20 2026, 05:35 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Monday

High 55 °F
Slight Chance of Rain Showers
Monday
Night
Low 32 °F
Mostly Clear
Tuesday

High 62 °F
Mostly Sunny
Tuesday
Night
Low 50 °F
Chance of Rain
Wednesday

High 73 °F
T-storms Likely
Wednesday
Night
Low 51 °F
Partly Cloudy
Thursday

High 78 °F
Mostly Sunny
Thursday
Night
Low 57 °F
Partly Cloudy
Friday

High 82 °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)
05:35 AM EDT W 6.9 10.00 Mostly Cloudy -- 44.6 35.6 70% 40.6 NA 30.16 1021.3
05:15 AM EDT 6.9 10.00 Cloudy -- 44.6 35.6 70% 40.6 NA 30.15 1021.0
04:55 AM EDT W 10.3 10.00 Cloudy -- 46.4 35.6 66% 41.5 NA 30.15 1021.0
04:35 AM EDT W 11.4 G 18.3 10.00 Cloudy -- 46.4 35.6 66% 41.0 NA 30.16 1021.3
04:15 AM EDT G 24.2 10.00 Light Drizzle -- 46.4 35.6 66% NA NA 30.16 1021.3
03:55 AM EDT G 28.9 10.00 Light Rain -- 46.4 35.6 66% NA NA 30.15 1021.0
03:35 AM EDT 9.2 10.00 Cloudy -- 44.6 35.6 70% 39.7 NA 30.15 1021.0
03:15 AM EDT NW 3.4 10.00 Cloudy -- 44.6 35.6 70% 43.2 NA 30.15 1021.0
02:55 AM EDT 0.0 10.00 Cloudy -- 42.8 35.6 76% NA NA 30.14 1020.7
02:35 AM EDT 0.0 10.00 Cloudy -- 42.8 35.6 76% NA NA 30.15 1021.0
02:15 AM EDT 0.0 10.00 Cloudy -- 42.8 37.4 81% NA NA 30.16 1021.3
01:55 AM EDT 0.0 10.00 Cloudy -- 42.8 35.6 76% NA NA 30.15 1021.0
01:35 AM EDT 0.0 10.00 Mostly Cloudy -- 42.8 33.8 70% NA NA 30.16 1021.3
01:15 AM EDT 0.0 10.00 Mostly Cloudy -- 42.8 33.8 70% NA NA 30.15 1021.0
12:55 AM EDT 0.0 10.00 Cloudy -- 42.8 35.6 76% NA NA 30.16 1021.3
12:35 AM EDT W 3.4 10.00 Cloudy -- 41.0 35.6 81% 39.0 NA 30.16 1021.3
12:15 AM EDT 0.0 10.00 Cloudy -- 41.0 33.8 75% NA NA 30.15 1021.0
11:55 PM EDT 0.0 10.00 Mostly Cloudy -- 41.0 33.8 75% NA NA 30.15 1021.0
11:35 PM EDT 0.0 10.00 Partly Cloudy -- 37.4 33.8 87% NA NA 30.15 1021.0
11:15 PM EDT 0.0 10.00 Clear -- 41.0 33.8 75% NA NA 30.15 1021.0
10:55 PM EDT 0.0 10.00 Clear -- 41.0 32.0 70% NA NA 30.15 1021.0
10:35 PM EDT 0.0 10.00 Clear -- 42.8 32.0 65% NA NA 30.14 1020.7
10:15 PM EDT 0.0 10.00 Clear -- 44.6 32.0 61% NA NA 30.14 1020.7
09:55 PM EDT 0.0 10.00 Clear -- 44.6 30.2 57% NA NA 30.13 1020.3

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Mostly Cloudy
44.6 F

FREDERICK (KFDK)

Mostly Clear
38.3 F

CARROLL CNTY (KDMW)

Clear
42.8 F

NSF THURMONT (KRSP)

Mostly Cloudy
39.0 F

WASH DC/DULLES (KIAD)

Mostly Cloudy
46.4 F

WASHINGTON/NATL (KDCA)

Cloudy
48.2 F
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