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FLOOD WARNING
FLOOD WARNING ISSUED APRIL 28 AT 10:02PM CDT UNTIL MAY 6 AT 4:49PM CDT
Effective: 2026-04-28 22:02:00 Local Time Expires: 2026-05-06 16:49:00 Local Time Issued by: NWS St Louis MO
Alert Text
...THE FLOOD WARNING IS EXTENDED FOR THE FOLLOWING RIVERS INILLINOIS...MISSOURI...

MISSISSIPPI RIVER AT MEL PRICE LD.

MISSISSIPPI RIVER AT GRAFTON.

MISSISSIPPI RIVER AT CANTON.

MISSISSIPPI RIVER AT WINFIELD.

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN ILLINOIS...MISSOURI...

MISSISSIPPI RIVER AT CHESTER.

MISSISSIPPI RIVER AT HANNIBAL.

MISSISSIPPI RIVER AT CLARKSVILLE.

MISSISSIPPI RIVER AT LOUISIANA.

MISSISSIPPI RIVER NEAR HERCULANEUM.

MISSISSIPPI RIVER AT ST. LOUIS.

MISSISSIPPI RIVER AT ALTON.

MISSISSIPPI RIVER AT SAVERTON.

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN ILLINOIS...MISSOURI...

MISSISSIPPI RIVER AT QUINCY.

RIVER FORECASTS ARE BASED ON OBSERVED PRECIPITATION AND FORECAST PRECIPITATION FOR THE NEXT 24 HOURS.

* WHAT...MINOR FLOODING IS FORECAST.

* WHERE...MISSISSIPPI RIVER AT CHESTER.

* WHEN...UNTIL WEDNESDAY, MAY 06.

* IMPACTS...AT 34.7 FEET, THE NORTH PARKING LOT AT MENARD CORRECTIONAL CENTER BEGINS FLOODING.

* ADDITIONAL DETAILS... - AT 9:30 PM CDT TUESDAY THE STAGE WAS 26.6 FEET. - FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE JUST AFTER MIDNIGHT TONIGHT TO A CREST OF 34.4 FEET SATURDAY MORNING. IT WILL THEN FALL BELOW FLOOD STAGE TUESDAY, MAY 05. - FLOOD STAGE IS 27.0 FEET.
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Target Area
JACKSON, IL, RANDOLPH, IL, PERRY, MO, STE. GENEVIEVE, MO
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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Clear

41.0 F
Humidity:87%
Wind Speed:W 4.7 mph
Barometer:29.99 in
Dewpoint:37.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:37.9 F
May 1 2026, 03:55 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Friday

High 66 °F
Chance of Rain Showers
Friday
Night
Low 48 °F
Chance of Rain
Saturday

High 59 °F
Chance of Rain Showers
Saturday
Night
Low 44 °F
Chance of Rain Showers
Sunday

High 62 °F
Mostly Sunny
Sunday
Night
Low 44 °F
Mostly Clear
Monday

High 73 °F
Partly Sunny
Monday
Night
Low 57 °F
Slight Chance of Showers
Tuesday

High 80 °F
Isolated T-storm

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 W 4.7 10.00 Clear -- 41.0 37.4 87% 37.9 NA 29.99 1015.6
03:35 AM EDT W 3.4 10.00 Clear -- 41.0 37.4 87% 39.0 NA 29.99 1015.6
03:15 AM EDT W 5.8 10.00 Clear -- 41.0 37.4 87% 37.0 NA 29.98 1015.2
02:55 AM EDT W 6.9 10.00 Clear -- 41.0 37.4 87% 36.3 NA 29.98 1015.2
02:35 AM EDT W 6.9 10.00 Clear -- 41.0 37.4 87% 36.3 NA 29.98 1015.2
02:15 AM EDT 6.9 10.00 Clear -- 41.0 37.4 87% 36.3 NA 29.98 1015.2
01:55 AM EDT 6.9 10.00 Clear -- 41.0 37.4 87% 36.3 NA 29.99 1015.6
01:35 AM EDT 4.7 10.00 Clear -- 42.8 37.4 81% 39.9 NA 29.99 1015.6
01:15 AM EDT 3.4 10.00 Clear -- 42.8 37.4 81% 41.2 NA 29.99 1015.6
12:55 AM EDT 0.0 10.00 Clear -- 44.6 37.4 76% NA NA 29.99 1015.6
12:35 AM EDT 0.0 10.00 Clear -- 44.6 39.2 81% NA NA 29.99 1015.6
12:15 AM EDT 0.0 10.00 Clear -- 44.6 37.4 76% NA NA 29.98 1015.2
11:55 PM EDT 0.0 10.00 Clear -- 46.4 37.4 71% NA NA 29.98 1015.2
11:35 PM EDT 0.0 10.00 Clear -- 46.4 37.4 71% NA NA 29.97 1014.9
11:15 PM EDT NW 6.9 10.00 Clear -- 46.4 37.4 71% 42.8 NA 29.97 1014.9
10:55 PM EDT 0.0 10.00 Clear -- 48.2 37.4 66% NA NA 29.97 1014.9
10:35 PM EDT NW 10.3 10.00 Clear -- 50.0 37.4 62% NA NA 29.96 1014.6
10:15 PM EDT NW 8.1 10.00 Clear -- 48.2 37.4 66% 44.6 NA 29.97 1014.9
09:55 PM EDT 3.4 10.00 Clear -- 50.0 37.4 62% NA NA 29.97 1014.9
09:35 PM EDT 3.4 10.00 Clear -- 50.0 37.4 62% NA NA 29.96 1014.6
09:15 PM EDT 5.8 10.00 Clear -- 51.8 37.4 58% NA NA 29.95 1014.2
08:55 PM EDT NW 10.3 10.00 Clear -- 51.8 37.4 58% NA NA 29.94 1013.9
08:35 PM EDT NW 9.2 G 17.2 10.00 Clear -- 51.8 37.4 58% NA NA 29.94 1013.6
08:15 PM EDT NW 17.2 10.00 NULL -- 53.6 37.4 54% NA NA 29.92 1013.2

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Clear
41.0 F

FREDERICK (KFDK)

Clear
37.0 F

CARROLL CNTY (KDMW)

Clear
44.6 F

NSF THURMONT (KRSP)

Clear
37.0 F

WASH DC/DULLES (KIAD)

Clear
44.6 F

WASHINGTON/NATL (KDCA)

Clear
46.4 F
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