272 WGUS83 KLSX 181900 FLSLSX Flood Advisory National Weather Service St Louis MO 200 PM CDT Mon May 18 2026 ILC119-133-163-182200- /O.NEW.KLSX.FA.Y.0024.260518T1900Z-260518T2200Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Madison IL-Monroe IL-Saint Clair IL- 200 PM CDT Mon May 18 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... * WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Southern Madison County in southwestern Illinois... Northwestern Monroe County in southwestern Illinois... Saint Clair County in southwestern Illinois... * WHEN...Until 500 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 200 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause 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... Belleville, Granite City, O'Fallon, East St. Louis, Collinsville, Edwardsville, Fairview Heights, Cahokia, Swansea, Glen Carbon, Shiloh, Highland, Troy, Waterloo, Columbia, Maryville, Mascoutah, Pontoon Beach and Centreville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3852 9026 3861 9018 3867 9018 3872 9021 3877 9017 3882 8960 3866 8960 3866 8971 3843 8970 3821 9035 3826 9037 3835 9036 3844 9029 $$ Walsh  762 WGUS83 KIND 181909 FLSIND Flood Advisory National Weather Service Indianapolis IN 309 PM EDT Mon May 18 2026 INC021-055-119-133-153-167-181919- /O.CAN.KIND.FA.Y.0023.000000T0000Z-260518T2215Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clay IN-Greene IN-Owen IN-Putnam IN-Sullivan IN-Vigo IN- 309 PM EDT Mon May 18 2026 ...FLOOD ADVISORY HAS BEEN REPLACED WITH A FLOOD WARNING... The Flood Advisory is replaced by a Flood Warning for portions of southwest and west central Indiana, including the following areas, in southwest Indiana, Greene and Sullivan. In west central Indiana, Clay, Owen, Putnam and Vigo. The threat of flooding continues and a Flood Warning is now in effect. Please refer to that bulletin for more information. && LAT...LON 3931 8762 3935 8754 3935 8753 3961 8753 3961 8701 3974 8701 3986 8684 3986 8669 3949 8669 3902 8724 3890 8724 3891 8753 3896 8751 3899 8758 3899 8756 3914 8766 3921 8758 3930 8760 $$ CP  142 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 $$ Walsh  225 WGUS83 KLSX 181913 FLSLSX Flood Advisory National Weather Service St Louis MO 213 PM CDT Mon May 18 2026 ILC005-027-051-189-190115- /O.NEW.KLSX.FA.Y.0025.260518T1913Z-260519T0115Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Bond IL-Clinton IL-Fayette IL-Washington IL- 213 PM CDT Mon May 18 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 815 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southern Bond County in south central Illinois... Clinton County in south central Illinois... Southwestern Fayette County in south central Illinois... Northern Washington County in south central Illinois... * WHEN...Until 815 PM CDT Monday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 213 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Breese, New Baden, Carlyle, Trenton, Aviston, Okawville, St. Rose, Germantown, Albers, Wamac, Beckemeyer, Pocahontas, Tamalco, Beaver Creek, Jamestown, Boulder, Shattuc, New Memphis and Pleasant Mound. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3843 8968 3843 8970 3849 8970 3866 8971 3866 8960 3882 8960 3892 8914 3848 8914 $$ Walsh  451 WGUS83 KDLH 181939 FLSDLH Flood Advisory National Weather Service Duluth MN 239 PM CDT Mon May 18 2026 MNC075-137-192045- /O.CON.KDLH.FA.Y.0008.000000T0000Z-260519T2045Z/ /00000.N.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lake MN-St. Louis MN- 239 PM CDT Mon May 18 2026 ...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 345 PM CDT TUESDAY... * WHAT...Flooding caused by rain and snowmelt continues. * WHERE...In Minnesota, Lake and St. Louis Counties. * WHEN...Until 345 PM CDT Tuesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable. River or stream flows are elevated. * ADDITIONAL DETAILS... - At 235 PM CDT Monday, minor flooding is already occurring and will continue. Additional rainfall amounts of one tenth to three tenths of an inch are forecast over the area from this evening through Tuesday morning. - This includes the following streams and drainages... Oyster River, Ge-be-on-e-quet Creek, Horse River, Shohola Creek, Hustler River, Moose River, Jeanette Creek, Wolfpack Creek, Nugget Creek, Heritage Creek, Portage River, Range Line Creek and Legend Creek. - Some locations that will experience flooding include... Basswood Lake, northwestern Boundary Waters Canoe Area Wilderness, Lake Agnes, Crooked Lake, Fourtown Lake, Lac la Croix, Lac La Croix and Loon Lake. - Flood safety information can be found at www.weather.gov/safety/flood. PRECAUTIONARY/PREPAREDNESS ACTIONS... Campers and hikers should avoid flooded trail crossings. If camping at a site along or near the banks of rivers or streams, move away from those locations and seek higher ground. Trails in hilly terrain can quickly become unstable during or shortly after heavy rainfall. Portage and hiking trails may be impassable and low-lying campsites may be inundated with excessive runoff in this section of the Boundary Waters as flooding is occurring or imminent. Report observed flooding to local emergency services or law enforcement and to the National Weather Service in Duluth when you can do so safely. Flooding can be reported to the National Weather Service at 1-800-685-8612. && LAT...LON 4827 9201 4823 9196 4820 9179 4820 9172 4811 9171 4811 9165 4810 9164 4811 9156 4807 9158 4804 9157 4798 9172 4816 9218 4817 9235 4821 9238 4825 9227 4834 9229 4836 9206 4830 9201 $$ Rothstein  515 WGUS83 KLSX 181940 FLSLSX Flood Advisory National Weather Service St Louis MO 240 PM CDT Mon May 18 2026 MOC019-027-051-135-190145- /O.NEW.KLSX.FA.Y.0026.260518T1940Z-260519T0145Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Boone MO-Callaway MO-Cole MO-Moniteau MO- 240 PM CDT Mon May 18 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 845 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern Boone County in central Missouri... Callaway County in central Missouri... Cole County in central Missouri... Southern Moniteau County in central Missouri... * WHEN...Until 845 PM CDT Monday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable. * ADDITIONAL DETAILS... - At 240 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Jefferson City, Fulton, California, Ashland, Holts Summit, Columbia Regional Airport, Wardsville, St. Martins, Taos, Russellville, New Bloomfield, Lake Mykee Town, Centertown, St. Thomas, Lake Mykee, Brazito, McGirk, Hickory Hill, High Point and Williamsburg. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3856 9280 3870 9247 3895 9202 3906 9163 3870 9165 3871 9172 3866 9187 3855 9203 3848 9202 3847 9217 3840 9212 3837 9219 3834 9220 3832 9225 3834 9241 3843 9240 3843 9262 $$ Walsh  316 WGUS83 KLSX 181954 FLSLSX Flood Advisory National Weather Service St Louis MO 254 PM CDT Mon May 18 2026 ILC005-027-051-189-182004- /O.CAN.KLSX.FA.Y.0025.000000T0000Z-260519T0115Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Bond IL-Clinton IL-Fayette IL-Washington IL- 254 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, Bond, Clinton, Fayette and Washington. The threat of flooding continues and a Flash Flood Warning is now in effect. Please refer to that bulletin for more information. && LAT...LON 3843 8968 3843 8970 3849 8970 3866 8971 3866 8960 3882 8960 3892 8914 3848 8914 $$ Walsh  360 WGUS83 KLSX 181954 RRA FLSLSX Flood Advisory National Weather Service St Louis MO 254 PM CDT Mon May 18 2026 MOC071-073-182200- /O.EXT.KLSX.FA.Y.0020.000000T0000Z-260518T2200Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Franklin MO-Gasconade MO- 254 PM CDT Mon May 18 2026 ...FLOOD ADVISORY NOW IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Western Franklin County in east central Missouri... Gasconade County in east central Missouri... * WHEN...Until 500 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable. * ADDITIONAL DETAILS... - At 254 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 2 and 3 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Washington, Union, Owensville, New Haven, Gerald, Bland, Rosebud, Drake, Beaufort, Leslie, Noser Mill, Japan, Lyon and Canaan. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3844 9164 3865 9123 3862 9123 3861 9118 3860 9113 3861 9106 3857 9102 3852 9092 3821 9132 3821 9154 3815 9154 3815 9164 $$ Walsh  424 WGUS83 KIND 181955 FLSIND Flood Advisory National Weather Service Indianapolis IN 355 PM EDT Mon May 18 2026 INC021-027-055-083-101-105-119-190045- /O.NEW.KIND.FA.Y.0024.260518T1955Z-260519T0045Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clay IN-Daviess IN-Greene IN-Knox IN-Martin IN-Monroe IN-Owen IN- 355 PM EDT Mon May 18 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 845 PM EDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Monroe County in south central Indiana... Daviess County in southwestern Indiana... Greene County in southwestern Indiana... Knox County in southwestern Indiana... Northwestern Martin County in southwestern Indiana... Southern Clay County in west central Indiana... Owen County in west central Indiana... * WHEN...Until 845 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 355 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.75 and 2 inches of rain have fallen. - Additional rainfall amounts of 0.25 to 1.25 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Bloomington, Vincennes, Washington, Linton, Bloomfield, Spencer, Ellettsville, Bicknell, Worthington, Odon, Gosport, Lyons, Elnora, Oaktown, Monroe City, Wheatland, Bruceville, Plainville, Sandborn and Edwardsport. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. && LAT...LON 3850 8750 3852 8754 3845 8760 3841 8774 3847 8775 3851 8765 3855 8767 3859 8761 3864 8762 3874 8750 3889 8754 3890 8724 3902 8724 3947 8671 3947 8663 3934 8663 3934 8638 3921 8637 3854 8722 3854 8743 $$ CP