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FLOOD WATCH
FLOOD WATCH ISSUED APRIL 18 AT 8:11PM CDT UNTIL APRIL 21 AT 7:00AM CDT
Effective: 2026-04-18 20:11:00 Local Time 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.

ROCK RIVER AT ROCKFORD (AUBURN STREET) AFFECTING WINNEBAGO COUNTY.

* 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 SATURDAY THE STAGE WAS 15.0 FEET. - FORECAST...FLOOD STAGE MAY BE REACHED MONDAY MORNING. - 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

Freeze Watch issued April 18 at 11:59PM EDT until April 21 at 10:00AM EDT

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Cloudy

62.6 F
Humidity:94%
Wind Speed:NE 3.4 mph
Barometer:29.79 in
Dewpoint:60.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 19 2026, 03:35 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Sunday

High 59 °F
Rain Showers Likely
Sunday
Night
Low 42 °F
Partly Cloudy
Monday

High 55 °F
Partly Sunny
Monday
Night
Low 33 °F
Mostly Clear
Tuesday

High 59 °F
Mostly Sunny
Tuesday
Night
Low 48 °F
Slight Chance of Rain
Wednesday

High 73 °F
Chance of Rain Showers
Wednesday
Night
Low 50 °F
Partly Cloudy
Thursday

High 77 °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)
03:35 AM EDT NE 3.4 10.00 Cloudy -- 62.6 60.8 94% NA NA 29.79 1008.8
03:15 AM EDT 0.0 7.00 Light Rain -- 62.6 60.8 94% NA NA 29.79 1008.8
02:55 AM EDT 3.4 10.00 Cloudy -- 62.6 60.8 94% NA NA 29.81 1009.2
02:35 AM EDT 0.0 10.00 Cloudy -- 62.6 60.8 94% NA NA 29.81 1009.5
02:15 AM EDT 3.4 10.00 Light Rain -- 64.4 60.8 88% NA NA 29.81 1009.5
01:55 AM EDT NE 5.8 10.00 Cloudy -- 66.2 60.8 83% NA NA 29.82 1009.8
01:35 AM EDT 10.3 10.00 Cloudy -- 68.0 60.8 78% NA NA 29.83 1010.2
01:15 AM EDT 3.4 10.00 NULL -- 68.0 60.8 78% NA NA 29.84 1010.5
12:55 AM EDT 0.0 10.00 Cloudy -- 66.2 60.8 83% NA NA 29.85 1010.8
12:35 AM EDT 0.0 10.00 Cloudy -- 68.0 60.8 78% NA NA 29.85 1010.8
12:15 AM EDT 0.0 10.00 NULL -- 68.0 60.8 78% NA NA 29.86 1011.2
11:55 PM EDT E 4.7 10.00 Cloudy -- 68.0 60.8 78% NA NA 29.84 1010.5
11:35 PM EDT E 3.4 10.00 Light Rain -- 69.8 60.8 73% NA NA 29.85 1010.8
11:15 PM EDT E 4.7 10.00 NULL -- 69.8 60.8 73% NA NA 29.85 1010.8
10:55 PM EDT 4.7 10.00 Cloudy -- 69.8 60.8 73% NA NA M
10:35 PM EDT 5.8 10.00 Mostly Cloudy -- 69.8 60.8 73% NA NA 29.83 1010.2
10:15 PM EDT SE 5.8 10.00 Mostly Cloudy -- 69.8 60.8 73% NA NA 29.82 1009.8
09:55 PM EDT SE 10.3 10.00 Clear -- 69.8 60.8 73% NA NA 29.82 1009.8
09:35 PM EDT SE 9.2 10.00 Clear -- 71.6 60.8 69% NA 71.8 29.83 1010.2
09:15 PM EDT SE 11.4 10.00 Clear -- 71.6 60.8 69% NA 71.8 29.82 1009.8
08:55 PM EDT SE 11.4 G 23.0 10.00 Clear -- 71.6 60.8 69% NA 71.8 29.82 1009.8
08:35 PM EDT SE 13.9 G 20.8 10.00 Clear -- 73.4 60.8 65% NA 73.4 29.81 1009.5
08:15 PM EDT SE 9.2 G 18.3 10.00 Clear -- 73.4 60.8 65% NA 73.4 29.81 1009.2
07:55 PM EDT SE 15.0 G 20.8 10.00 Clear -- 75.2 60.8 61% NA 75.2 29.81 1009.2

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Cloudy
62.6 F

FREDERICK (KFDK)

Light Rain and Fog/Mist
60.3 F

CARROLL CNTY (KDMW)

Rain
60.8 F

NSF THURMONT (KRSP)

Light Rain
57.0 F

WASH DC/DULLES (KIAD)

Mostly Clear
62.6 F

WASHINGTON/NATL (KDCA)

Clear
60.8 F
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