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FLOOD WARNING
FLOOD WARNING ISSUED APRIL 20 AT 9:08PM CDT
Effective: 2026-04-20 21:08:00 Local Time [EXPIRED] Expires: 2026-04-21 15:15:00 Local Time Issued by: NWS Chicago IL
Alert Text
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS INILLINOIS...

DES PLAINES RIVER AT LINCOLNSHIRE AFFECTING COOK AND LAKE IL COUNTIES.

DES PLAINES RIVER NEAR DES PLAINES AFFECTING COOK COUNTY.

DES PLAINES RIVER NEAR RUSSELL AFFECTING LAKE IL COUNTY.

DES PLAINES RIVER NEAR GURNEE AFFECTING LAKE IL COUNTY.

* WHAT...MODERATE FLOODING IS OCCURRING AND FORECASTED TO CONTINUE.

* WHERE...DES PLAINES RIVER FROM TOWNLINE ROAD IN LIBERTYVILLE DOWNSTREAM TO PALATINE ROAD IN PROSPECT HEIGHTS, INCLUDING THE LINCOLNSHIRE GAUGE.

* WHEN...UNTIL FURTHER NOTICE.

* IMPACTS...AT 15.0 FEET, STRUCTURES THREATENED ALONG IL-22 (HALF-DAY ROAD) JUST EAST OF THE RIVER. MULTIPLE STRUCTURES THREATENED NEAR AND WEST OF US-45 (MILWAUKEE AVENUE) AND DEERFIELD ROAD. DEERFIELD ROAD THREATENED NEAR THE RIVER. MULTIPLE TRAILS INUNDATED IN HALF-DAY FOREST PRESERVE.

* ADDITIONAL DETAILS... - AT 8:45 PM CDT MONDAY THE STAGE WAS 15.1 FEET. - FORECAST...THE RIVER HAS CRESTED, AND NOW WILL GRADUALLY FALL THROUGH THE WEEK. - FLOOD STAGE IS 12.5 FEET. - HTTP: WWW.WEATHER.GOV SAFETY FLOOD
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Target Area
COOK, IL, LAKE, IL

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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Partly Cloudy

59.0 F
Humidity:77%
Wind Speed:W 3.4 mph
Barometer:29.97 in
Dewpoint:51.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 03:55 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)
03:55 AM EDT W 3.4 10.00 Partly Cloudy -- 59.0 51.8 77% NA NA 29.97 1014.9
03:35 AM EDT W 6.9 10.00 Partly Cloudy -- 60.8 51.8 72% NA NA 29.97 1014.9
03:15 AM EDT NW 3.4 10.00 Clear -- 60.8 51.8 72% NA NA 29.97 1014.9
02:55 AM EDT 3.4 10.00 Partly Cloudy -- 62.6 51.8 68% NA NA 29.97 1014.9
02:35 AM EDT NW 4.7 10.00 Partly Cloudy -- 62.6 51.8 68% NA NA 29.97 1014.9
02:15 AM EDT 5.8 10.00 Clear -- 62.6 51.8 68% NA NA 29.97 1014.9
01:55 AM EDT W 6.9 10.00 Clear -- 62.6 51.8 68% NA NA 29.97 1014.9
01:35 AM EDT W 6.9 10.00 Clear -- 62.6 51.8 68% NA NA 29.98 1015.2
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

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Partly Cloudy
59.0 F

FREDERICK (KFDK)

Partly Cloudy
55.9 F

CARROLL CNTY (KDMW)

Mostly Cloudy
57.2 F

NSF THURMONT (KRSP)

Clear
57.0 F

WASH DC/DULLES (KIAD)

Mostly Clear
53.6 F

WASHINGTON/NATL (KDCA)

Clear
60.8 F
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