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FLOOD WARNING
FLOOD WARNING ISSUED APRIL 21 AT 8:47PM CDT UNTIL APRIL 24 AT 1:00PM CDT
Effective: 2026-04-21 20:47:00 Local Time Expires: 2026-04-24 13:00:00 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 GURNEE AFFECTING LAKE IL COUNTY.

DES PLAINES RIVER NEAR RUSSELL 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 EARLY FRIDAY AFTERNOON.

* 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 7:45 PM CDT TUESDAY THE STAGE WAS 14.9 FEET. - FORECAST...THE RIVER IS EXPECTED TO CONTINUE GRADUALLY FALLING THROUGH THE WEEK, AND MAY FALL BELOW FLOOD STAGE BY FRIDAY MORNING. - 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)

Cloudy

53.6 F
Humidity:67%
Wind Speed: 0.0 mph
Barometer:30.05 in
Dewpoint:42.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 09:55 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Wednesday

High 75 °F
T-storms Likely
Wednesday
Night
Low 55 °F
Partly Cloudy
Thursday

High 80 °F
Partly Sunny
Thursday
Night
Low 57 °F
Partly Cloudy
Friday

High 78 °F
Chance of T-storms
Friday
Night
Low 53 °F
Chance of T-storms
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)
09:55 AM EDT 0.0 10.00 Cloudy -- 53.6 42.8 67% NA NA 30.05 1017.6
09:35 AM EDT SW 3.4 10.00 Cloudy -- 53.6 42.8 67% NA NA 30.06 1018.0
09:15 AM EDT SW 3.4 10.00 Partly Cloudy -- 53.6 41.0 62% NA NA 30.06 1018.0
08:55 AM EDT 4.7 10.00 Mostly Cloudy -- 51.8 41.0 67% NA NA 30.05 1017.6
08:35 AM EDT 0.0 10.00 Mostly Cloudy -- 51.8 41.0 67% NA NA 30.06 1018.0
08:15 AM EDT 0.0 10.00 Mostly Cloudy -- 50.0 41.0 71% NA NA 30.06 1018.0
07:55 AM EDT 0.0 10.00 Partly Cloudy -- 50.0 39.2 66% NA NA 30.05 1017.6
07:35 AM EDT 0.0 10.00 Clear -- 50.0 37.4 62% NA NA 30.05 1017.6
07:15 AM EDT 0.0 10.00 Clear -- 50.0 39.2 66% NA NA 30.05 1017.6
06:55 AM EDT 0.0 10.00 Clear -- 50.0 37.4 62% NA NA 30.05 1017.6
06:35 AM EDT 4.7 10.00 Clear -- 50.0 37.4 62% NA NA 30.05 1017.6
06:15 AM EDT S 6.9 10.00 Clear -- 50.0 37.4 62% NA NA 30.05 1017.6
05:55 AM EDT S 5.8 10.00 Clear -- 50.0 37.4 62% NA NA 30.05 1017.6
05:35 AM EDT S 5.8 10.00 Clear -- 50.0 35.6 58% NA NA 30.05 1017.6
05:15 AM EDT S 5.8 10.00 Clear -- 50.0 35.6 58% NA NA 30.05 1017.6
04:55 AM EDT S 9.2 10.00 Clear -- 50.0 35.6 58% NA NA 30.05 1017.6
04:35 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.06 1018.0
04:15 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.07 1018.3
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

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Cloudy
53.6 F

FREDERICK (KFDK)

Light Rain
50.0 F

CARROLL CNTY (KDMW)

Light Rain
53.6 F

NSF THURMONT (KRSP)

Mostly Cloudy
53.1 F

WASH DC/DULLES (KIAD)

Mostly Cloudy
57.2 F

WASHINGTON/NATL (KDCA)

Mostly Cloudy
59.0 F
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