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FLOOD WARNING
FLOOD WARNING ISSUED APRIL 21 AT 9:16PM CDT
Effective: 2026-04-21 21:16:00 Local Time Expires: 2026-04-23 09:30:00 Local Time Issued by: NWS St Louis MO
Alert Text
...THE FLOOD WARNING CONTINUES 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 OCCURRING AND MINOR FLOODING IS FORECAST.

* WHERE...ILLINOIS RIVER AT HARDIN.

* WHEN...UNTIL FURTHER NOTICE.

* ADDITIONAL DETAILS... - AT 9:00 PM CDT TUESDAY THE STAGE WAS 26.3 FEET. - FORECAST...THE RIVER IS EXPECTED TO REMAIN NEAR 26.3 FEET THROUGH FRIDAY AND THEN BEGIN A SLOW FALL. - FLOOD STAGE IS 25.0 FEET.
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Target Area
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

50.0 F
Humidity:62%
Wind Speed: 0.0 mph
Barometer:30.05 in
Dewpoint:37.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 07:35 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)
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
01:35 AM EDT 4.7 10.00 Clear -- 51.8 37.4 58% NA NA 30.13 1020.3
01:15 AM EDT 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.14 1020.7
12:55 AM EDT 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.15 1021.0
12:35 AM EDT S 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.15 1021.0
12:15 AM EDT 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.15 1021.0
11:55 PM EDT SE 3.4 10.00 Clear -- 53.6 37.4 54% NA NA 30.16 1021.3
11:35 PM EDT SE 4.7 10.00 Clear -- 53.6 37.4 54% NA NA 30.16 1021.3

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Clear
50.0 F

FREDERICK (KFDK)

Clear
44.6 F

CARROLL CNTY (KDMW)

Mostly Cloudy
51.8 F

NSF THURMONT (KRSP)

Cloudy
50.0 F

WASH DC/DULLES (KIAD)

Clear
51.8 F

WASHINGTON/NATL (KDCA)

Clear
53.6 F
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