643 WGUS83 KOAX 182202 FLSOAX Flood Advisory National Weather Service Omaha/Valley NE 502 PM CDT Mon May 18 2026 IAC071-145-NEC097-127-131-133-147-190300- /O.NEW.KOAX.FA.Y.0003.260518T2202Z-260519T0300Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Fremont IA-Page IA-Johnson NE-Nemaha NE-Otoe NE-Pawnee NE- Richardson NE- 502 PM CDT Mon May 18 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southern Fremont County in southwestern Iowa... Southern Page County in southwestern Iowa... Northeastern Johnson County in southeastern Nebraska... Nemaha County in southeastern Nebraska... Southern Otoe County in southeastern Nebraska... Northeastern Pawnee County in southeastern Nebraska... Northwestern Richardson County in southeastern Nebraska... * WHEN...Until 1000 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 502 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. - Some locations that will experience flooding include... Nebraska City, Clarinda, Auburn, Shenandoah, Hamburg, Sidney, Humboldt, Peru, Farragut, Johnson, Cook, Riverton, Talmage, College Springs, Coin, Shambaugh, Dunbar, Braddyville and Stella. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4063 9628 4077 9551 4077 9501 4073 9491 4058 9494 4059 9576 4057 9577 4052 9575 4056 9567 4052 9566 4051 9570 4048 9570 4046 9564 4042 9566 4035 9562 4023 9577 4014 9601 4023 9616 4045 9616 4050 9646 $$ Pearson  906 WGUS83 KLSX 182206 FLSLSX Flood Advisory National Weather Service St Louis MO 506 PM CDT Mon May 18 2026 ILC119-133-163-182216- /O.CAN.KLSX.FA.Y.0024.000000T0000Z-260518T2300Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Madison IL-Monroe IL-Saint Clair IL- 506 PM CDT Mon May 18 2026 ...FLOOD ADVISORY HAS BEEN REPLACED WITH A FLASH FLOOD WARNING... The Flood Advisory is replaced by a Flash Flood Warning for a portion of southwest Illinois, including the following areas, Madison, Monroe and Saint Clair. The threat of flooding continues and a Flash Flood Warning is now in effect. Please refer to that bulletin for more information. && LAT...LON 3852 9026 3861 9018 3867 9018 3872 9021 3877 9017 3882 8960 3866 8960 3866 8971 3843 8970 3821 9035 3826 9037 3835 9036 3844 9029 $$ Walsh  814 WGHW80 PHFO 182217 FLSHFO Flood Advisory National Weather Service Honolulu HI 1217 PM HST Mon May 18 2026 HIC007-190115- /O.NEW.PHFO.FA.Y.0120.260518T2217Z-260519T0115Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Kauai HI- 1217 PM HST Mon May 18 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 315 PM HST THIS AFTERNOON FOR THE ISLAND OF KAUAI IN KAUAI COUNTY... * WHAT...Flooding caused by excessive rainfall. * WHERE...The island of Kauai in Kauai County. * WHEN...Until 315 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 1215 PM HST, radar indicated heavy rain over north and west Kauai. Rain was falling at a rate of 1 to 2 inches per hour with the heaviest rain near Wainiha. Additional moderate to locally heavy showers are expected through the afternoon. - Some locations that will experience flooding include... Kekaha, Princeville, Kilauea, Alakai Swamp Trails, Kokee State Park, Na Pali State Park, Wainiha, Haena, North Fork Wailua Trails, Waimea, Hanalei, Polihale, Mana, Barking Sands, Waimea Canyon State Park and Kalihiwai. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, drainage ditches and low lying areas prone to flooding. && This advisory may need to be extended beyond 315 PM HST if flooding persists. LAT...LON 2216 15973 2224 15958 2222 15952 2224 15949 2223 15944 2224 15941 2199 15945 2194 15967 2198 15977 2207 15980 $$ KINO  820 WGUS83 KTOP 182240 FLSTOP Flood Advisory National Weather Service Topeka KS 540 PM CDT Mon May 18 2026 KSC027-117-201-190145- /O.NEW.KTOP.FA.Y.0012.260518T2240Z-260519T0145Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clay KS-Marshall KS-Washington KS- 540 PM CDT Mon May 18 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 845 PM CDT THIS EVENING... * WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...Portions of north central and northeast Kansas, including the following counties, in north central Kansas, Clay and Washington. In northeast Kansas, Marshall. * WHEN...Until 845 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 540 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts up to 0.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Waterville and Barnes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3979 9681 3981 9678 3972 9664 3957 9688 3957 9691 3957 9693 3957 9696 3956 9696 3954 9696 3953 9696 3952 9696 3942 9711 3950 9722 3957 9713 $$ CP  922 WGUS83 KTOP 182243 FLSTOP Flood Advisory National Weather Service Topeka KS 543 PM CDT Mon May 18 2026 KSC027-190145- /O.NEW.KTOP.FA.Y.0013.260518T2243Z-260519T0145Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clay KS- 543 PM CDT Mon May 18 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 845 PM CDT THIS EVENING... * WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of north central Kansas, including the following county, Clay. * WHEN...Until 845 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 542 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 0.5 and 1.5 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Wakefield. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3930 9718 3932 9697 3913 9696 3913 9698 3913 9701 3914 9726 $$ CP  221 WGUS83 KEAX 182246 FLSEAX Flood Advisory National Weather Service Kansas City/Pleasant Hill MO 546 PM CDT Mon May 18 2026 MOC005-087-147-190445- /O.NEW.KEAX.FA.Y.0025.260518T2246Z-260519T0445Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Atchison MO-Holt MO-Nodaway MO- 546 PM CDT Mon May 18 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 1145 PM CDT THIS EVENING... * WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Atchison County in northwestern Missouri... Northwestern Holt County in northwestern Missouri... Northwestern Nodaway County in northwestern Missouri... * WHEN...Until 1145 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 546 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 1.5 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Tarkio, Rock Port, Fairfax, Craig, Elmo, Westboro, Watson, Corning and Phelps City. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4058 9509 4027 9513 4012 9539 4018 9548 4024 9548 4026 9555 4030 9556 4031 9566 4034 9562 4042 9566 4046 9564 4047 9569 4050 9568 4051 9570 4052 9566 4055 9566 4056 9569 4052 9571 4052 9575 4057 9577 $$ 73  439 WGUS83 KOAX 182251 FLSOAX Flood Advisory National Weather Service Omaha/Valley NE 551 PM CDT Mon May 18 2026 NEC127-147-190300- /O.NEW.KOAX.FA.Y.0004.260518T2251Z-260519T0300Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Nemaha NE-Richardson NE- 551 PM CDT Mon May 18 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern Nemaha County in southeastern Nebraska... Western Richardson County in southeastern Nebraska... * WHEN...Until 1000 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 551 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 up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Humboldt, Verdon, Stella, Shubert, Dawson, Salem, Barada, The Highway 75 And 8 Junction and Indian Cave State Park. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4036 9564 4036 9563 4034 9562 4032 9566 4031 9565 4031 9561 4030 9559 4030 9556 4029 9555 4027 9556 4026 9555 4025 9552 4025 9548 4004 9568 4004 9591 4014 9601 4024 9578 $$ Pearson  580 WGUS83 KILX 182254 FLSILX Flood Advisory National Weather Service Lincoln IL 554 PM CDT Mon May 18 2026 ILC025-049-079-182304- /O.EXP.KILX.FA.Y.0019.000000T0000Z-260518T2300Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clay IL-Effingham IL-Jasper IL- 554 PM CDT Mon May 18 2026 ...FLOOD ADVISORY WILL EXPIRE AT 6 PM CDT THIS EVENING... The Flood Advisory will expire at 6 PM CDT this evening for a portion of southeast Illinois, including the following areas, Clay, Effingham and Jasper. The threat for widespread flooding has increased over the area. Therefore the Flood Advisory has been replaced by a Flood Warning. Please refer to that bulletin for more information. && LAT...LON 3891 8881 3915 8881 3917 8795 3886 8825 3875 8835 3870 8870 3891 8869 $$ Deubelbeiss  619 WGUS83 KILX 182255 FLSILX Flood Advisory National Weather Service Lincoln IL 555 PM CDT Mon May 18 2026 ILC025-033-079-101-159-182305- /O.EXP.KILX.FA.Y.0020.000000T0000Z-260518T2300Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clay IL-Crawford IL-Jasper IL-Lawrence IL-Richland IL- 555 PM CDT Mon May 18 2026 ...FLOOD ADVISORY WILL EXPIRE AT 6 PM CDT THIS EVENING... The Flood Advisory will expire at 6 PM CDT this evening for a portion of southeast Illinois, including the following areas, Clay, Crawford, Jasper, Lawrence and Richland. The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. && LAT...LON 3916 8799 3915 8765 3912 8763 3911 8765 3906 8757 3899 8756 3899 8758 3896 8751 3886 8755 3874 8750 3868 8753 3866 8760 3859 8761 3857 8765 3857 8815 3860 8815 3860 8834 3878 8837 $$ Deubelbeiss