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FLOOD WARNING
FLOOD WARNING ISSUED APRIL 21 AT 8:53PM CDT UNTIL APRIL 24 AT 7:00AM CDT
Effective: 2026-04-21 20:53:00 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...

ILLINOIS RIVER AT LA SALLE AFFECTING BUREAU, PUTNAM AND LA SALLE COUNTIES.

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

* WHERE...ILLINOIS RIVER FROM STARVED ROCK LOCK AND DAM DOWNSTREAM TO CONFLUENCE WITH BIG BUREAU CREEK, INCLUDING THE LA SALLE GAUGE.

* WHEN...UNTIL FRIDAY MORNING.

* IMPACTS...AT 20.0 FEET, AGRICULTURAL AREAS IN LA SALLE, SPRING VALLEY, AND PERU ARE INUNDATED.

* ADDITIONAL DETAILS... - AT 8:45 PM CDT TUESDAY THE STAGE WAS 20.8 FEET. - FORECAST...THE RIVER IS EXPECTED TO FALL BELOW FLOOD STAGE LATE THIS WEEK. - FLOOD STAGE IS 20.0 FEET. - HTTP: WWW.WEATHER.GOV SAFETY FLOOD
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Target Area
BUREAU, IL, LA SALLE, IL, PUTNAM, 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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