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FLOOD WARNING
FLOOD WARNING ISSUED APRIL 22 AT 10:03AM CDT
Effective: 2026-04-22 10:03:00 Local Time Expires: 2026-04-22 22:15:00 Local Time Issued by: NWS Milwaukee/Sullivan WI
Alert Text
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS INWISCONSIN...ILLINOIS...

CRAWFISH RIVER AT MILFORD AFFECTING JEFFERSON COUNTY.

ROCK RIVER AT NEWVILLE AFFECTING ROCK COUNTY.

ROCK RIVER NEAR LAKE KOSHKONONG AFFECTING JEFFERSON AND ROCK COUNTIES.

ROCK RIVER AT FORT ATKINSON AFFECTING JEFFERSON COUNTY.

ROCK RIVER AT AFTON AFFECTING WINNEBAGO AND ROCK COUNTIES.

ROCK RIVER AT JEFFERSON AFFECTING JEFFERSON COUNTY.

ROCK RIVER AT WATERTOWN AFFECTING JEFFERSON COUNTY.

ROCK RIVER NEAR LEBANON-3 E-HWY MM BRIDGE AFFECTING DODGE COUNTY.

FOX RIVER AT PRINCETON AFFECTING GREEN LAKE COUNTY.

FOX RIVER NEAR BERLIN AFFECTING GREEN LAKE COUNTY.

FOX RIVER LOWER AT ROCHESTER AFFECTING RACINE COUNTY.

...THE FLOOD WARNING IS EXTENDED FOR THE FOLLOWING RIVERS IN WISCONSIN...ILLINOIS...

FOX RIVER LOWER NEAR NEW MUNSTER AFFECTING LAKE AND KENOSHA COUNTIES.

* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.

* WHERE...ROCK RIVER AT AFTON.

* WHEN...UNTIL FURTHER NOTICE.

* IMPACTS...AT 11.1 FEET, FLOODWATERS AFFECT RIVERSIDE PARK AND A ROAD IN RIVERSIDE PARK ON THE NORTH SIDE OF JANESVILLE AND SOUTH RIVER ROAD ON THE SOUTH SIDE OF JANESVILLE. FLOODWATERS AFFECT LOW SPOTS ON SOUTH RIVER RD ON THE SOUTH SIDE OF JANESVILLE. FLOODWATERS AFFECT A HOME ON SOUTH CHRISTIAN RD ON THE EAST SIDE OF THE RIVER IN THE AFTON AREA. THERE IS EXTENSIVE LOWLAND AND AGRICULTURAL LAND FLOODING IN THE AFTON AND JANESVILLE AREAS.

* ADDITIONAL DETAILS... - AT 8:00 AM CDT WEDNESDAY THE STAGE WAS 10.6 FEET. - BANKFULL STAGE IS 8.0 FEET. - RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS ENDING AT 8:00 AM CDT WEDNESDAY WAS 10.6 FEET. - FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 10.9 FEET FRIDAY MORNING. - FLOOD STAGE IS 9.0 FEET. - FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF 11.0 FEET ON 06 01 2004. - HTTP: WWW.WEATHER.GOV SAFETY FLOOD
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Target Area
WINNEBAGO, IL, ROCK, WI
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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Partly Cloudy

62.6 F
Humidity:55%
Wind Speed:S 4.7 mph
Barometer:30.04 in
Dewpoint:46.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 12:15 PM 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 55 °F
Chance of T-storms
Saturday

High 62 °F
T-storms
Saturday
Night
Low 48 °F
Rain
Sunday

High 64 °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)
12:15 PM EDT S 4.7 10.00 Partly Cloudy -- 62.6 46.4 55% NA NA 30.04 1017.3
11:55 AM EDT 4.7 10.00 Partly Cloudy -- NULL 46.4 % NA NA 30.04 1017.3
11:35 AM EDT 3.4 10.00 Partly Cloudy -- 59.0 46.4 63% NA NA 30.05 1017.6
11:15 AM EDT SE 4.7 10.00 Cloudy -- 55.4 46.4 72% NA NA 30.05 1017.6
10:35 AM EDT 0.0 10.00 Cloudy -- 55.4 42.8 62% NA NA 30.06 1018.0
10:15 AM EDT 0.0 10.00 Cloudy -- 53.6 42.8 67% NA NA 30.06 1018.0
09:55 AM EDT 0.0 10.00 Cloudy -- 53.6 42.8 67% NA NA 30.05 1017.6
09:35 AM EDT SW 3.4 10.00 Cloudy -- 53.6 42.8 67% NA NA 30.06 1018.0
09:15 AM EDT SW 3.4 10.00 Partly Cloudy -- 53.6 41.0 62% NA NA 30.06 1018.0
08:55 AM EDT 4.7 10.00 Mostly Cloudy -- 51.8 41.0 67% NA NA 30.05 1017.6
08:35 AM EDT 0.0 10.00 Mostly Cloudy -- 51.8 41.0 67% NA NA 30.06 1018.0
08:15 AM EDT 0.0 10.00 Mostly Cloudy -- 50.0 41.0 71% NA NA 30.06 1018.0
07:55 AM EDT 0.0 10.00 Partly Cloudy -- 50.0 39.2 66% NA NA 30.05 1017.6
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

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Partly Cloudy
62.6 F

FREDERICK (KFDK)

Mostly Cloudy
51.8 F

CARROLL CNTY (KDMW)

Partly Cloudy
NULL F

NSF THURMONT (KRSP)

Clear
61.0 F

WASH DC/DULLES (KIAD)

Partly Cloudy
62.6 F

WASHINGTON/NATL (KDCA)

Cloudy
60.8 F
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