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FLOOD WATCH
FLOOD WATCH ISSUED APRIL 19 AT 8:00PM CDT UNTIL APRIL 21 AT 7:00AM CDT
Effective: 2026-04-19 20:00:00 Local Time [EXPIRED] Expires: 2026-04-21 07:00:00 Local Time Issued by: NWS Chicago IL
Alert Text
...THE FLOOD WATCH CONTINUES FOR THE FOLLOWING RIVERS IN ILLINOIS... ROCK RIVER AT DIXON AFFECTING OGLE AND LEE COUNTIES.

* WHAT...FLOODING IS POSSIBLE.

* WHERE...ROCK RIVER FROM CASTLE ROCK STATE PARK NEAR OREGON DOWNSTREAM TO LEE COUNTY LINE, INCLUDING THE DIXON GAUGE.

* WHEN...FROM MONDAY MORNING TO TUESDAY MORNING.

* IMPACTS...AT 16.0 FEET, N CANAL DRIVE THREATENED IN WOODLAND SHORES. WATER OVERFLOWS LOW-LYING BANKS ALONG WEST FIRST STREET IN DIXON. RESIDENTIAL PROPERTY THREATENED NEAR SHERMAN AVENUE AND RIVER STREET IN DIXON.

* ADDITIONAL DETAILS... - AT 7:15 PM CDT SUNDAY THE STAGE WAS 15.8 FEET. - FORECAST...FLOOD STAGE MAY BE BRIEFLY REACHED MONDAY MORNING BEFORE FALLING UNDER FLOOD STAGE BY EARLY AFTERNOON. - FLOOD STAGE IS 16.0 FEET. - HTTP: WWW.WEATHER.GOV SAFETY FLOOD
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Target Area
OGLE, LEE

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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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