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FLOOD WARNING
FLOOD WARNING ISSUED APRIL 22 AT 9:55AM CDT UNTIL APRIL 24 AT 7:00AM CDT
Effective: 2026-04-22 09:55:00 Local Time Expires: 2026-04-24 07:00:00 Local Time Issued by: NWS Chicago IL
Alert Text
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS INILLINOIS...

PECATONICA RIVER NEAR SHIRLAND AFFECTING WINNEBAGO COUNTY.

ROCK RIVER AT BYRON AFFECTING OGLE COUNTY.

ROCK RIVER AT ROCKTON AFFECTING WINNEBAGO COUNTY.

ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY.

* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.

* WHERE...ROCK RIVER FROM CONFLUENCE WITH KISHWAUKEE RIVER TO CASTLE ROCK STATE PARK NEAR OREGON, INCLUDING THE BYRON GAUGE.

* WHEN...UNTIL FRIDAY MORNING.

* IMPACTS...AT 13.5 FEET, NUMEROUS LOW-LYING STRUCTURES DOWNSTREAM OF BYRON ARE FLOODED.

* ADDITIONAL DETAILS... - AT 9:15 AM CDT WEDNESDAY THE STAGE WAS 13.3 FEET. - FORECAST...THE RIVER IS EXPECTED TO CONTINUE A GRADUAL FALL TO BELOW FLOOD STAGE BY FRIDAY MORNING. - FLOOD STAGE IS 13.0 FEET. - HTTP: WWW.WEATHER.GOV SAFETY FLOOD
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Target Area
OGLE, 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

62.6 F
Humidity:55%
Wind Speed:S 4.7 mph
Barometer:30.04 in
Dewpoint:46.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 12:15 PM 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 55 °F
Chance of T-storms
Saturday

High 62 °F
T-storms
Saturday
Night
Low 48 °F
Rain
Sunday

High 64 °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)
12:15 PM EDT S 4.7 10.00 Partly Cloudy -- 62.6 46.4 55% NA NA 30.04 1017.3
11:55 AM EDT 4.7 10.00 Partly Cloudy -- NULL 46.4 % NA NA 30.04 1017.3
11:35 AM EDT 3.4 10.00 Partly Cloudy -- 59.0 46.4 63% NA NA 30.05 1017.6
11:15 AM EDT SE 4.7 10.00 Cloudy -- 55.4 46.4 72% NA NA 30.05 1017.6
10:35 AM EDT 0.0 10.00 Cloudy -- 55.4 42.8 62% NA NA 30.06 1018.0
10:15 AM EDT 0.0 10.00 Cloudy -- 53.6 42.8 67% NA NA 30.06 1018.0
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

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Partly Cloudy
62.6 F

FREDERICK (KFDK)

Mostly Cloudy
51.8 F

CARROLL CNTY (KDMW)

Partly Cloudy
NULL F

NSF THURMONT (KRSP)

Clear
61.0 F

WASH DC/DULLES (KIAD)

Partly Cloudy
62.6 F

WASHINGTON/NATL (KDCA)

Cloudy
60.8 F
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