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Home Return to list Areal Flood Advisory 0021 Issued by the St. Louis Forecast Office
Action: New Issued At: 2026-05-18 11:25:47
103
WGUS83 KLSX 181625
FLSLSX
Flood Advisory
National Weather Service St Louis MO
1125 AM CDT Mon May 18 2026
ILC051-121-182230-
/O.NEW.KLSX.FA.Y.0021.260518T1625Z-260518T2230Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fayette IL-Marion IL-
1125 AM CDT Mon May 18 2026
...FLOOD ADVISORY IN EFFECT UNTIL 530 PM CDT THIS AFTERNOON...
* WHAT...Urban area and small stream flooding caused by excessive
rainfall is expected.
* WHERE...Southern Fayette County in south central Illinois...
Marion County in south central Illinois...
* WHEN...Until 530 PM CDT Monday.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 1125 AM CDT, Doppler radar indicated heavy rain due to
thunderstorms. This is causing urban and small stream flooding.
Between 1 and 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...
Centralia, Salem, Sandoval, Wamac, Central City, Odin, Kinmundy,
Patoka, Farina, Omega, Stephen Forbes Station, Fairman,
Shobonier, Helm, Tonti, La Clede, Iuka, Junction City, St. Peter
and Alma.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3874 8914 3892 8914 3891 8869 3877 8870
3848 8870 3848 8914
$$
Walsh
Action: Cancelled Issued At: 2026-05-18 14:12:22
149
WGUS83 KLSX 181911
FLSLSX
Flood Advisory
National Weather Service St Louis MO
211 PM CDT Mon May 18 2026
ILC051-121-181921-
/O.CAN.KLSX.FA.Y.0021.000000T0000Z-260518T2230Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fayette IL-Marion IL-
211 PM CDT Mon May 18 2026
...FLOOD ADVISORY HAS BEEN REPLACED WITH A FLASH FLOOD WARNING...
The Flood Advisory is replaced by a Flash Flood Warning for a portion
of south central Illinois, including the following areas, Fayette and
Marion.
The threat of flooding continues and a Flash Flood Warning is now in
effect. Please refer to that bulletin for more information.
&&
LAT...LON 3874 8914 3892 8914 3891 8869 3877 8870
3848 8870 3848 8914
$$
Walsh
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