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Home Return to list Areal Flood Advisory 0047 Issued by the Chicago Forecast Office
Action: New Issued At: 2025-07-27 17:43:54
849
WGUS83 KLOT 272243
FLSLOT
Flood Advisory
National Weather Service Chicago IL
543 PM CDT Sun Jul 27 2025
ILC043-089-111-280045-
/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
$$
Carlaw
Action: Cancelled Issued At: 2025-07-27 18:30:56
253
WGUS83 KLOT 272330
FLSLOT
Flood Advisory
National Weather Service Chicago IL
630 PM CDT Sun Jul 27 2025
ILC111-272340-
/O.CAN.KLOT.FA.Y.0047.000000T0000Z-250728T0045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McHenry IL-
630 PM CDT Sun Jul 27 2025
...FLOOD ADVISORY IS CANCELLED...
The Flood Advisory is cancelled for a portion of northeast Illinois,
including the following area, McHenry.
Flooding is no longer expected to pose a threat.
&&
LAT...LON 4215 8849 4215 8828 4207 8824 4207 8826
4211 8836 4191 8829 4194 8814 4184 8806
4178 8837
$$
ILC043-089-280045-
/O.CON.KLOT.FA.Y.0047.000000T0000Z-250728T0045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DuPage IL-Kane IL-
630 PM CDT Sun Jul 27 2025
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 745 PM CDT THIS EVENING...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...A portion of northeast Illinois, including the following
counties, DuPage and Kane.
* 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 629 PM CDT, Doppler radar and automated rain gauges
indicated heavy rain due to thunderstorms. Up to 2 inches of
rain have fallen.
- Additional rainfall amounts of 1 to 2 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Elgin, St. Charles, Algonquin, Glen Ellyn, West Chicago,
Batavia, Huntley, Geneva, Campton Hills, South Elgin, North
Aurora, Warrenville, Winfield and Pingree Grove.
- 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 4215 8849 4215 8828 4207 8824 4207 8826
4211 8836 4191 8829 4194 8814 4184 8806
4178 8837
$$
Carlaw
Action: Continued Issued At: 2025-07-27 18:30:56
253
WGUS83 KLOT 272330
FLSLOT
Flood Advisory
National Weather Service Chicago IL
630 PM CDT Sun Jul 27 2025
ILC111-272340-
/O.CAN.KLOT.FA.Y.0047.000000T0000Z-250728T0045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McHenry IL-
630 PM CDT Sun Jul 27 2025
...FLOOD ADVISORY IS CANCELLED...
The Flood Advisory is cancelled for a portion of northeast Illinois,
including the following area, McHenry.
Flooding is no longer expected to pose a threat.
&&
LAT...LON 4215 8849 4215 8828 4207 8824 4207 8826
4211 8836 4191 8829 4194 8814 4184 8806
4178 8837
$$
ILC043-089-280045-
/O.CON.KLOT.FA.Y.0047.000000T0000Z-250728T0045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DuPage IL-Kane IL-
630 PM CDT Sun Jul 27 2025
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 745 PM CDT THIS EVENING...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...A portion of northeast Illinois, including the following
counties, DuPage and Kane.
* 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 629 PM CDT, Doppler radar and automated rain gauges
indicated heavy rain due to thunderstorms. Up to 2 inches of
rain have fallen.
- Additional rainfall amounts of 1 to 2 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Elgin, St. Charles, Algonquin, Glen Ellyn, West Chicago,
Batavia, Huntley, Geneva, Campton Hills, South Elgin, North
Aurora, Warrenville, Winfield and Pingree Grove.
- 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 4215 8849 4215 8828 4207 8824 4207 8826
4211 8836 4191 8829 4194 8814 4184 8806
4178 8837
$$
Carlaw
Action: Expired Issued At: 2025-07-27 19:44:27
501
WGUS83 KLOT 280044
FLSLOT
Flood Advisory
National Weather Service Chicago IL
744 PM CDT Sun Jul 27 2025
ILC043-089-280054-
/O.EXP.KLOT.FA.Y.0047.000000T0000Z-250728T0045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DuPage IL-Kane IL-
744 PM CDT Sun Jul 27 2025
...FLOOD ADVISORY WILL EXPIRE AT 745 PM CDT THIS EVENING...
The Flood Advisory will expire at 745 PM CDT this evening for a
portion of northeast Illinois, including the following areas, DuPage
and Kane.
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
&&
LAT...LON 4215 8849 4215 8828 4207 8824 4207 8826
4211 8836 4191 8829 4194 8814 4184 8806
4178 8837
$$
Borchardt
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