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FLOOD WARNING
FLOOD WARNING ISSUED MAY 1 AT 8:43AM CDT UNTIL MAY 2 AT 9:00AM CDT
Effective: 2026-05-01 08:43:00 Local Time Expires: 2026-05-02 09:00:00 Local Time Issued by: NWS Quad Cities IA IL
Alert Text
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS INILLINOIS...

ROCK RIVER NEAR JOSLIN AFFECTING WHITESIDE, ROCK ISLAND AND HENRY IL COUNTIES.

* WHAT...MINOR FLOODING IS OCCURRING AND WILL CONTINUE.

* WHERE...ROCK RIVER NEAR JOSLIN.

* WHEN...UNTIL LATE TOMORROW MORNING.

* IMPACTS...AT 12.0 FEET, WATER AFFECTS LOW LYING AGRICULTURAL LAND.

* ADDITIONAL DETAILS... - AT 7:45 AM CDT FRIDAY THE STAGE WAS 12.2 FEET. - FORECAST...THE RIVER IS EXPECTED TO FALL BELOW FLOOD STAGE TONIGHT AND CONTINUE FALLING THROUGH THE WEEKEND. - FLOOD STAGE IS 12.0 FEET.
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Target Area
HENRY, IL, ROCK ISLAND, IL, WHITESIDE, IL
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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Clear

59.0 F
Humidity:48%
Wind Speed: 3.4 mph
Barometer:29.96 in
Dewpoint:39.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
May 1 2026, 11:55 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Friday

High 68 °F
Mostly Cloudy
Friday
Night
Low 46 °F
Chance of Rain
Saturday

High 60 °F
Slight Chance of Rain Showers
Saturday
Night
Low 44 °F
Slight Chance of Rain
Sunday

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

High 75 °F
Partly Sunny
Monday
Night
Low 57 °F
Partly Cloudy
Tuesday

High 80 °F
Partly 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)
11:55 AM EDT 3.4 10.00 Clear -- 59.0 39.2 48% NA NA 29.96 1014.6
11:35 AM EDT 0.0 10.00 Clear -- 57.2 35.6 44% NA NA 29.97 1014.9
11:15 AM EDT E 3.4 10.00 Clear -- 59.0 37.4 45% NA NA 29.98 1015.2
10:55 AM EDT S 4.7 10.00 Clear -- 57.2 37.4 47% NA NA 29.99 1015.6
10:35 AM EDT 0.0 10.00 Clear -- 55.4 35.6 47% NA NA 29.99 1015.6
10:15 AM EDT 0.0 10.00 Clear -- 53.6 35.6 50% NA NA 30.00 1015.9
09:55 AM EDT 0.0 10.00 Clear -- 55.4 37.4 51% NA NA 30.00 1015.9
09:35 AM EDT 0.0 10.00 Clear -- 53.6 39.2 58% NA NA 30.00 1015.9
09:15 AM EDT 0.0 10.00 Clear -- 51.8 39.2 62% NA NA 30.00 1015.9
08:55 AM EDT 3.4 10.00 Clear -- 51.8 41.0 67% NA NA 30.00 1015.9
08:35 AM EDT 3.4 10.00 Clear -- 50.0 41.0 71% NA NA 30.01 1016.3
08:15 AM EDT 3.4 10.00 Clear -- 46.4 41.0 81% 45.3 NA 30.01 1016.3
07:55 AM EDT 3.4 10.00 Clear -- 46.4 39.2 76% 45.3 NA 30.01 1016.3
07:35 AM EDT 0.0 10.00 Clear -- 44.6 39.2 81% NA NA 30.01 1016.3
07:15 AM EDT 0.0 10.00 Clear -- 42.8 39.2 87% NA NA 30.01 1016.3
06:55 AM EDT 0.0 10.00 Clear -- 42.8 39.2 87% NA NA 30.00 1015.9
06:35 AM EDT 0.0 10.00 Clear -- 42.8 37.4 81% NA NA 30.00 1015.9
06:15 AM EDT 0.0 10.00 Clear -- 42.8 37.4 81% NA NA 30.00 1015.9
05:55 AM EDT 0.0 10.00 Clear -- 41.0 37.4 87% NA NA 30.00 1015.9
05:35 AM EDT 0.0 10.00 Clear -- 42.8 37.4 81% NA NA 30.00 1015.9
05:15 AM EDT 4.7 10.00 NULL -- 41.0 37.4 87% 37.9 NA 30.00 1015.9
04:55 AM EDT W 4.7 10.00 Clear -- 37.4 35.6 93% 33.6 NA 30.00 1015.9
04:35 AM EDT W 4.7 10.00 Clear -- 39.2 37.4 93% 35.8 NA 29.99 1015.6
04:15 AM EDT 4.7 10.00 Clear -- 39.2 37.4 93% 35.8 NA 30.00 1015.9

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Clear
59.0 F

FREDERICK (KFDK)

Clear
59.0 F

CARROLL CNTY (KDMW)

Clear
57.2 F

NSF THURMONT (KRSP)

Clear
52.0 F

WASH DC/DULLES (KIAD)

Clear
60.8 F

WASHINGTON/NATL (KDCA)

Clear
60.8 F
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