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Home Return to list Flash Flood Warning 0044 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-08-09 22:10:37
008
WGUS53 KLOT 100310
FFWLOT
ILC103-100615-
/O.NEW.KLOT.FF.W.0044.260810T0310Z-260810T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Chicago IL
1010 PM CDT Sun Aug 9 2026
The National Weather Service in Chicago has issued a
* Flash Flood Warning for...
Eastern Lee County in north central Illinois...
* Until 115 AM CDT.
* At 1010 PM CDT, Doppler radar and automated rain gauges indicated
slow moving thunderstorms producing rainfall rates of 2 to 3 inches
per hour. Up to 2.5 inches of rain have already occurred between
Lee Center and Ashton. Flash flooding is ongoing or expected to
begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches,
streets, underpasses, low-lying areas, and other poor
drainage areas.
* Some locations that will experience flash flooding include...
Amboy, Franklin Grove, Paw Paw, Sublette, Woodhaven Lakes, Lee,
Compton, Steward, West Brooklyn and Lee Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flash Flood Warning means rapid-onset flooding is imminent or may
already be occurring. Persons along creeks, drainage ditches, and
other waterways should take immediate precautions to protect life and
property.
&&
LAT...LON 4169 8894 4163 8894 4163 8931 4168 8935
4175 8935 4184 8934 4186 8931 4186 8915
4187 8909 4187 8894
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...2-3 INCHES IN 1 HOUR
$$
WSL
Action: Continued Issued At: 2026-08-09 23:00:38
366
WGUS73 KLOT 100400
FFSLOT
Flash Flood Statement
National Weather Service Chicago IL
1100 PM CDT Sun Aug 9 2026
ILC103-100615-
/O.CON.KLOT.FF.W.0044.000000T0000Z-260810T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lee IL-
1100 PM CDT Sun Aug 9 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM CDT MONDAY FOR
EASTERN LEE COUNTY...
At 1100 PM CDT, Doppler radar and automated rain gauges indicated
that thunderstorms were moving out of the area and rain rates were
decreasing. Up to 3 inches of rain occurred between Lee Center and
Ashton due to earlier storms.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches,
streets, underpasses, low-lying areas, and other poor
drainage areas.
Some locations that will experience flash flooding include...
Amboy, Franklin Grove, Paw Paw, Lee, Compton, Steward, West
Brooklyn and Lee Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flash Flood Warning means rapid-onset flooding is imminent or may
already be occurring. Persons along creeks, drainage ditches, and
other waterways should take immediate precautions to protect life and
property.
&&
LAT...LON 4169 8894 4163 8894 4163 8917 4165 8918
4167 8924 4169 8934 4175 8935 4182 8933
4184 8930 4184 8916 4185 8909 4186 8894
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
WSL
Action: Cancelled Issued At: 2026-08-10 01:01:42
476
WGUS73 KLOT 100601
FFSLOT
Flash Flood Statement
National Weather Service Chicago IL
101 AM CDT Mon Aug 10 2026
ILC103-100611-
/O.CAN.KLOT.FF.W.0044.000000T0000Z-260810T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lee IL-
101 AM CDT Mon Aug 10 2026
...FLASH FLOOD WARNING REPLACED WITH A FLOOD ADVISORY FOR EASTERN LEE
COUNTY...
Flooding of streams, roadways, and fields may be slow to recede
overnight. See the Flood Advisory product for additional information.
&&
LAT...LON 4169 8894 4163 8894 4163 8917 4165 8918
4167 8924 4169 8934 4175 8935 4182 8933
4184 8930 4184 8916 4185 8909 4186 8894
$$
WSL
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