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EXPIRED / ARCHIVED — This alert is no longer active and is maintained for historical record only. For current alerts, use the search above or visit Active Alerts.
FROST ADVISORY
FROST ADVISORY ISSUED APRIL 19 AT 9:02PM CDT UNTIL APRIL 20 AT 9:00AM CDT
Effective: 2026-04-19 21:02:00 Local Time [EXPIRED] Expires: 2026-04-20 09:00:00 Local Time Issued by: NWS Des Moines IA
* WHAT...TEMPERATURES AS LOW AS 26 WILL RESULT IN FROST FORMATION. * WHERE...POLK, APPANOOSE, LUCAS, MARION, MONROE, WARREN, WAYNE, AND DAVIS COUNTIES.

* WHEN...UNTIL 9 AM CDT MONDAY.

* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
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POLK, WARREN, MARION, LUCAS, MONROE, WAYNE, APPANOOSE, DAVIS

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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Clear

50.0 F

Humidity:58%
Wind Speed:S 8.1 mph
Barometer:30.08 in
Dewpoint:35.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 03:55 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Wednesday

High 73 °F
Chance of T-storms

Wednesday
Night
Low 55 °F
Partly Cloudy

Thursday

High 80 °F
Mostly Sunny

Thursday
Night
Low 57 °F
Partly Cloudy

Friday

High 77 °F
Chance of T-storms

Friday
Night
Low 53 °F
Chance of Rain
Saturday

High 62 °F
T-storms Likely

Saturday
Night
Low 48 °F
Rain

Sunday

High 62 °F
Rain Showers Likely

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)
03:55 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.08 1018.6
03:35 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.08 1018.6
03:15 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.08 1018.6
02:55 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.09 1019.0
02:35 AM EDT S 6.9 10.00 Clear -- 50.0 35.6 58% NA NA 30.10 1019.3
02:15 AM EDT S 6.9 10.00 Clear -- 50.0 37.4 62% NA NA 30.10 1019.3
01:35 AM EDT 4.7 10.00 Clear -- 51.8 37.4 58% NA NA 30.13 1020.3
01:15 AM EDT 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.14 1020.7
12:55 AM EDT 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.15 1021.0
12:35 AM EDT S 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.15 1021.0
12:15 AM EDT 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.15 1021.0
11:55 PM EDT SE 3.4 10.00 Clear -- 53.6 37.4 54% NA NA 30.16 1021.3
11:35 PM EDT SE 4.7 10.00 Clear -- 53.6 37.4 54% NA NA 30.16 1021.3
11:15 PM EDT SE 4.7 10.00 Clear -- 53.6 37.4 54% NA NA 30.17 1021.7
10:55 PM EDT SE 5.8 10.00 Clear -- 53.6 37.4 54% NA NA 30.17 1021.7
10:35 PM EDT 8.1 10.00 Clear -- 53.6 37.4 54% NA NA 30.18 1022.0
10:15 PM EDT 6.9 10.00 Clear -- 55.4 35.6 47% NA NA 30.18 1022.0
09:55 PM EDT 9.2 10.00 Clear -- 55.4 35.6 47% NA NA 30.18 1022.0
09:35 PM EDT SE 11.4 10.00 Clear -- 57.2 32.0 38% NA NA 30.18 1022.0
09:15 PM EDT 6.9 10.00 Clear -- 59.0 32.0 36% NA NA 30.18 1022.0
08:55 PM EDT 8.1 10.00 Clear -- 59.0 32.0 36% NA NA 30.17 1021.7
08:35 PM EDT 9.2 10.00 Clear -- 59.0 32.0 36% NA NA 30.16 1021.3
08:15 PM EDT 9.2 10.00 Clear -- 60.8 32.0 34% NA NA 30.17 1021.7
07:55 PM EDT 8.1 10.00 Clear -- 60.8 32.0 34% NA NA 30.17 1021.7

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Clear
50.0 F

FREDERICK (KFDK)

Clear
47.8 F

CARROLL CNTY (KDMW)

Clear
51.8 F

NSF THURMONT (KRSP)

Clear
46.9 F

WASH DC/DULLES (KIAD)

Clear
51.8 F

WASHINGTON/NATL (KDCA)

Clear
53.6 F
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