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HYDROLOGIC OUTLOOK
HYDROLOGIC OUTLOOK ISSUED APRIL 17 AT 12:49PM CDT
Effective: 2026-04-17 12:49:00 Local Time [EXPIRED] Expires: 2026-04-18 01:00:00 Local Time Issued by: NWS Lincoln IL
Alert Text
ESFILX THIS HYDROLOGIC OUTLOOK INCLUDES THE FOLLOWING RIVER IN ILLINOIS:

ILLINOIS RIVER...

THE FOLLOWING RIVER INFORMATION IS BASED ON FUTURE PREDICTED RAINFALL. THE EXACT AMOUNT, INTENSITY, TIMING, AND LOCATION OF THE RAIN THAT WILL OCCUR IS STILL UNCERTAIN. THESE OUTLOOK STAGES ARE PROVIDED TO SHOW WHAT MAY BE EXPECTED IF THE FORECAST PRECIPITATION OCCURS. ONCE THERE IS MORE CERTAINTY ABOUT THE RIVER FORECASTS, A FLOOD WARNING OR STATEMENT WILL BE ISSUED IF THE THREAT MATERIALIZES.
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Target Area
MARSHALL, IL, PEORIA, IL, TAZEWELL, IL, WOODFORD, IL

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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Clear

55.4 F
Humidity:94%
Wind Speed: 0.0 mph
Barometer:30.00 in
Dewpoint:53.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 18 2026, 03:15 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

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
Tuesday
Night
Low 51 °F
Partly Cloudy
Wednesday

High 77 °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)
03:15 AM EDT 0.0 10.00 Clear -- 55.4 53.6 94% NA NA 30.00 1015.9
02:55 AM EDT 0.0 10.00 Clear -- 57.2 53.6 88% NA NA 30.00 1015.9
02:35 AM EDT 0.0 10.00 Clear -- 57.2 53.6 88% NA NA 30.01 1016.3
02:15 AM EDT 0.0 10.00 Clear -- 59.0 53.6 82% NA NA 30.01 1016.3
01:55 AM EDT 0.0 10.00 Clear -- 59.0 53.6 82% NA NA 30.02 1016.6
01:35 AM EDT 0.0 10.00 Clear -- 59.0 55.4 88% NA NA 30.02 1016.6
01:15 AM EDT 0.0 10.00 Clear -- 57.2 53.6 88% NA NA 30.01 1016.3
12:55 AM EDT 0.0 10.00 Clear -- 59.0 55.4 88% NA NA 30.00 1015.9
12:35 AM EDT 0.0 10.00 Clear -- 59.0 55.4 88% NA NA 30.00 1015.9
12:15 AM EDT 0.0 10.00 NULL -- 60.8 55.4 82% NA NA 30.00 1015.9
11:55 PM EDT 0.0 10.00 Clear -- 60.8 55.4 82% NA NA 29.99 1015.6
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

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Clear
55.4 F

FREDERICK (KFDK)

Clear
53.1 F

CARROLL CNTY (KDMW)

Clear
60.8 F

NSF THURMONT (KRSP)

Clear
62.1 F

WASH DC/DULLES (KIAD)

Clear
55.4 F

WASHINGTON/NATL (KDCA)

Clear
64.4 F
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