Areal Flood Watch for McHenry Co., IL until 7:00 PM CDT 7/26

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WGUS63 KLOT 252230
FFALOT

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Chicago IL
530 PM CDT Fri Jul 25 2025


/O.EXB.KLOT.FA.A.0005.000000T0000Z-250727T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-La Salle-
Including the cities of Gurnee, Dixon, Waukegan, Crystal Lake,
Belvidere, Buffalo Grove, Ottawa, Rockford, Mundelein, Streator,
Rochelle, Marseilles, Mendota, Byron, La Salle, Woodstock,
Oregon, DeKalb, Algonquin, McHenry, and Sycamore
530 PM CDT Fri Jul 25 2025

...FLOOD WATCH IN EFFECT THROUGH SATURDAY EVENING...

* WHAT...Flash flooding caused by excessive rainfall due to repeated
rounds of torrential rain-producing thunderstorms is possible.

* WHERE...Boone, De Kalb, La Salle, Lee, Ogle, Winnebago, Lake IL
and McHenry counties in Illinois.

* WHEN...Through Saturday evening.

* IMPACTS...Creeks and streams may rise out of their banks. In
addition, roads and streets may flood, especially in areas where
storm drains are clogged with debris. Finally, flooding of
basements may occur if thunderstorms train over urban areas.

* ADDITIONAL DETAILS...
- Over the next 36 hours, several rounds of torrential rain-
producing thunderstorms are possible in the watch area
including over areas that experienced several inches of rain
in the past few days. The tropical-like airmass will support
rain rates in excess of 2 inches per hour in the strongest
thunderstorms, leading to a threat for flash flooding.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and be prepared to take quick action
should flooding develop.

&&


https://wxn.io/98ghb