Areal Flood Advisory for McHenry Co., IL until 7:45 PM CDT 7/27

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

WGUS83 KLOT 272243
FLSLOT

Flood Advisory
National Weather Service Chicago IL
543 PM CDT Sun Jul 27 2025


/O.NEW.KLOT.FA.Y.0047.250727T2243Z-250728T0045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DuPage IL-Kane IL-McHenry IL-
543 PM CDT Sun Jul 27 2025

...FLOOD ADVISORY IN EFFECT UNTIL 745 PM CDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...A portion of northeast Illinois, including the following
counties, DuPage, Kane and McHenry.

* WHEN...Until 745 PM CDT.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas. Underpasses may be
flooded. Roads and streets may be flooded.

* ADDITIONAL DETAILS...
- At 542 PM CDT, Doppler radar and automated rain gauges
indicated nearly stationary thunderstorms along a line from
near Huntley to West Chicago. Between 1 and 3 inches of rain
has fallen based on radar and automated gauges.
- Additional rainfall amounts of 1 to 3 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Elgin, Wheaton, Crystal Lake, Carol Stream, Hanover Park,
Carpentersville, St. Charles, Algonquin, Lake in the Hills,
Glen Ellyn, West Chicago, Batavia, Huntley, Geneva, Campton
Hills, South Elgin, North Aurora and Warrenville.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.

&&

LAT...LON 4223 8852 4225 8844 4224 8833 4207 8824
4207 8826 4211 8836 4191 8829 4194 8814
4184 8806 4178 8837 4215 8849



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