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FLOOD WARNING
FLOOD WARNING ISSUED APRIL 17 AT 12:57PM CDT
Effective: 2026-04-17 12:57:00 Local Time Expires: 2026-04-19 01:00:00 Local Time Issued by: NWS St Louis MO
Alert Text
...THE FLOOD WARNING IS EXTENDED FOR THE FOLLOWING RIVERS INILLINOIS...

ILLINOIS RIVER AT HARDIN.

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

* WHAT...MINOR FLOODING IS FORECAST.

* WHERE...ILLINOIS RIVER AT HARDIN.

* WHEN...FROM SUNDAY AFTERNOON UNTIL FURTHER NOTICE.

* IMPACTS...AT 25.0 FEET, FLOOD STAGE. LOWLAND FLOODING OF UNPROTECTED AGRICULTURAL LAND BEGINS.

* ADDITIONAL DETAILS... - AT 12:30 PM CDT FRIDAY THE STAGE WAS 24.6 FEET. - FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE EARLY SUNDAY AFTERNOON AND CONTINUE RISING TO A CREST OF 26.4 FEET WEDNESDAY MORNING. - FLOOD STAGE IS 25.0 FEET.
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CALHOUN, IL, GREENE, IL, JERSEY, IL
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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Clear

62.6 F
Humidity:77%
Wind Speed: 0.0 mph
Barometer:29.98 in
Dewpoint:55.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 17 2026, 11:35 PM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Friday

High 82 °F
Forecast Missing
Friday
Night
Low 60 °F
Partly Cloudy
Saturday

High 84 °F
Partly Sunny
Saturday
Night
Low 53 °F
Rain
Sunday

High 60 °F
Rain Showers Likely
Sunday
Night
Low 41 °F
Showers Likely
Monday

High 55 °F
Partly Sunny
Monday
Night
Low 37 °F
Mostly Clear
Tuesday

High 64 °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)
11:35 PM EDT 0.0 10.00 Clear -- 62.6 55.4 77% NA NA 29.98 1015.2
11:15 PM EDT 0.0 10.00 Clear -- 64.4 55.4 73% NA NA 29.99 1015.6
10:55 PM EDT 3.4 10.00 Clear -- 64.4 55.4 73% NA NA 29.99 1015.6
10:35 PM EDT 0.0 10.00 Clear -- 62.6 55.4 77% NA NA 29.98 1015.2
10:15 PM EDT 0.0 10.00 Clear -- 62.6 55.4 77% NA NA 29.98 1015.2
09:55 PM EDT 0.0 10.00 Clear -- 66.2 55.4 68% NA NA 29.97 1014.9
09:35 PM EDT 0.0 10.00 Clear -- 64.4 55.4 73% NA NA 29.97 1014.9
09:15 PM EDT 0.0 10.00 NULL -- 68.0 55.4 64% NA NA 29.97 1014.9
08:55 PM EDT 0.0 10.00 Clear -- 71.6 53.6 53% NA 70.9 29.97 1014.9
08:35 PM EDT NE 3.4 10.00 Clear -- 71.6 55.4 57% NA 71.1 29.96 1014.6
08:15 PM EDT NE 3.4 10.00 Clear -- 73.4 53.6 50% NA 72.9 29.95 1014.2
07:55 PM EDT NE 3.4 10.00 Clear -- 73.4 53.6 50% NA 72.9 29.96 1014.6
07:35 PM EDT 3.4 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.96 1014.6
07:15 PM EDT 6.9 10.00 Clear -- 77.0 53.6 44% NA 76.5 29.95 1014.2
06:35 PM EDT 6.9 10.00 Clear -- 77.0 55.4 47% NA 76.6 29.95 1014.2
06:15 PM EDT 5.8 10.00 Clear -- 77.0 55.4 47% NA 76.6 29.95 1014.2
05:55 PM EDT 11.4 G 16.1 10.00 Clear -- 77.0 55.4 47% NA 76.6 29.95 1014.2
05:35 PM EDT 5.8 G 16.1 10.00 Clear -- 78.8 57.2 48% NA 78.6 29.95 1014.2
05:15 PM EDT 9.2 10.00 Clear -- 78.8 57.2 48% NA 78.6 29.94 1013.9
04:55 PM EDT 8.1 10.00 Clear -- 78.8 57.2 48% NA 78.6 29.95 1014.2
04:35 PM EDT 6.9 10.00 Partly Cloudy -- 78.8 59.0 51% NA 78.8 29.95 1014.2
04:15 PM EDT 13.9 G 17.2 10.00 Partly Cloudy -- 78.8 57.2 48% NA 78.6 29.95 1014.2
03:55 PM EDT NW 12.8 G 20.8 10.00 Clear -- 78.8 57.2 48% NA 78.6 29.95 1014.2
03:35 PM EDT NW 10.3 G 19.7 10.00 Clear -- 78.8 57.2 48% NA 78.6 29.95 1014.2

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Clear
62.6 F

FREDERICK (KFDK)

Clear
NULL F

CARROLL CNTY (KDMW)

Clear
66.2 F

NSF THURMONT (KRSP)

Clear
66.0 F

WASH DC/DULLES (KIAD)

Clear
57.2 F

WASHINGTON/NATL (KDCA)

Clear
69.8 F
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