629 WUUS53 KLSX 181112 SVRLSX ILC001-149-MOC007-127-163-173-181200- /O.NEW.KLSX.SV.W.0148.260518T1112Z-260518T1200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service St Louis MO 612 AM CDT Mon May 18 2026 The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... South Central Adams County in west central Illinois... Western Pike County in west central Illinois... Northeastern Audrain County in central Missouri... Southeastern Marion County in northeastern Missouri... Northwestern Pike County in northeastern Missouri... Ralls County in northeastern Missouri... * Until 700 AM CDT. * At 612 AM CDT, a severe thunderstorm was located near Perry, or 8 miles northwest of Vandalia, moving northeast at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Perry, Center, Spencerburg, New London, Frankford, Ilasco, Hannibal, Saverton, Ashburn, Fall Creek, Seehorn, Hull, New Canton, Kinderhook, Rockport, Plainville and Payson. This includes the following State Parks... Fall Creek Scenic Overlook State Natural Area. This includes Interstate 72 between exits 4 and 10. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. && LAT...LON 3932 9162 3944 9171 3985 9122 3951 9099 3929 9160 TIME...MOT...LOC 1112Z 240DEG 34KT 3939 9161 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Britt  298 WUUS53 KLSX 181118 SVRLSX MOC007-019-027-181200- /O.NEW.KLSX.SV.W.0149.260518T1118Z-260518T1200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service St Louis MO 618 AM CDT Mon May 18 2026 The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... South Central Audrain County in central Missouri... East Central Boone County in central Missouri... Callaway County in central Missouri... * Until 700 AM CDT. * At 618 AM CDT, a severe thunderstorm was located 8 miles north of New Bloomfield, or 7 miles west of Fulton, moving east at 45 mph. At 605 am, 71 mph winds were reported at the Columbia airport. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Guthrie, New Bloomfield, Carrington, Fulton, Kingdom City, Auxvasse, Reform, Williamsburg, Shamrock and Martinsburg. This includes Interstate 70 in Missouri between exits 144 and 161. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing widespread damaging winds and large hail. && LAT...LON 3878 9216 3889 9221 3915 9163 3877 9165 3869 9212 TIME...MOT...LOC 1115Z 251DEG 38KT 3884 9209 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ Britt  582 WWUS53 KLSX 181128 SVSLSX Severe Weather Statement National Weather Service St Louis MO 628 AM CDT Mon May 18 2026 MOC007-181138- /O.CAN.KLSX.SV.W.0148.000000T0000Z-260518T1200Z/ Audrain MO- 628 AM CDT Mon May 18 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHEASTERN AUDRAIN COUNTY... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office. && LAT...LON 3941 9154 3957 9156 3985 9122 3951 9099 3933 9150 TIME...MOT...LOC 1112Z 240DEG 34KT 3939 9160 $$ ILC001-149-MOC127-163-173-181200- /O.CON.KLSX.SV.W.0148.000000T0000Z-260518T1200Z/ Adams IL-Pike IL-Marion MO-Pike MO-Ralls MO- 628 AM CDT Mon May 18 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 7 AM CDT FOR SOUTH CENTRAL ADAMS AND WESTERN PIKE COUNTIES IN WEST CENTRAL ILLINOIS AND SOUTHEASTERN MARION, NORTHWESTERN PIKE AND CENTRAL RALLS COUNTIES IN NORTHEASTERN MISSOURI... At 628 AM CDT, a severe thunderstorm was located near Spencerburg, or 12 miles north of Vandalia, moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Center, Spencerburg, Frankford, New London, Ilasco, Hannibal, Saverton, Ashburn, Fall Creek, Seehorn, Hull, New Canton, Kinderhook, Payson, Rockport and Plainville. This includes the following State Parks... Fall Creek Scenic Overlook State Natural Area. This includes Interstate 72 between exits 4 and 10. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. && LAT...LON 3941 9154 3957 9156 3985 9122 3951 9099 3933 9150 TIME...MOT...LOC 1112Z 239DEG 37KT 3940 9159 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Britt  957 WWUS53 KLSX 181132 SVSLSX Severe Weather Statement National Weather Service St Louis MO 632 AM CDT Mon May 18 2026 MOC019-181142- /O.CAN.KLSX.SV.W.0149.000000T0000Z-260518T1200Z/ Boone MO- 632 AM CDT Mon May 18 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR EAST CENTRAL BOONE COUNTY... The severe thunderstorm has moved out of the county, so the warning has been cancelled. && LAT...LON 3881 9204 3897 9203 3915 9163 3877 9165 3870 9206 TIME...MOT...LOC 1118Z 251DEG 38KT 3885 9204 $$ MOC007-027-181200- /O.CON.KLSX.SV.W.0149.000000T0000Z-260518T1200Z/ Audrain MO-Callaway MO- 632 AM CDT Mon May 18 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 7 AM CDT FOR SOUTH CENTRAL AUDRAIN AND NORTHEASTERN CALLAWAY COUNTIES... At 632 AM CDT, a severe thunderstorm was located near Fulton, moving east at 45 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Fulton, Kingdom City, Auxvasse, Reform, Williamsburg, Shamrock and Martinsburg. This includes Interstate 70 in Missouri between exits 144 and 161. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. && LAT...LON 3881 9204 3897 9203 3915 9163 3877 9165 3870 9206 TIME...MOT...LOC 1118Z 252DEG 38KT 3882 9202 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Britt  522 FZUS72 KMLB 181141 MWSMLB Marine Weather Statement National Weather Service Melbourne FL 741 AM EDT Mon May 18 2026 AMZ555-181245- 741 AM EDT Mon May 18 2026 ...STRONG THUNDERSTORMS OVER THE WATERS... The areas affected include... Sebastian Inlet to Jupiter Inlet 0-20 nm... At 741 AM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from near Saint Lucie West to 20 nm northeast of Jupiter Inlet, moving west at 10 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until these storms pass. Waterspouts are possible with this activity. Remain on the alert in case warnings are issued for waterspout development. && LAT...LON 2709 8017 2711 8018 2715 8022 2713 8027 2723 8035 2728 8035 2729 8032 2724 8026 2738 8033 2735 8007 2726 7984 2709 7976 2705 7975 $$ Schaper  577 WFUS53 KLSX 181141 TORLSX ILC001-149-MOC163-173-181230- /O.NEW.KLSX.TO.W.0058.260518T1141Z-260518T1230Z/ BULLETIN - EAS ACTIVATION REQUESTED Tornado Warning National Weather Service St Louis MO 641 AM CDT Mon May 18 2026 The National Weather Service in St Louis has issued a * Tornado Warning for... Southeastern Adams County in west central Illinois... Central Pike County in west central Illinois... Northwestern Pike County in northeastern Missouri... Northeastern Ralls County in northeastern Missouri... * Until 730 AM CDT. * At 641 AM CDT, a severe thunderstorm capable of producing a tornado was located 6 miles north of Frankford, or 11 miles southeast of Hannibal, moving northeast at 40 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows and vehicles will occur. Tree damage is likely. * This tornado will be near... Frankford around 645 AM CDT. Barry around 705 AM CDT. Other locations impacted by the tornado include Saverton, Ashburn, Kinderhook, Hull, New Canton, El Dara, Baylis, New Salem and Fishhook. This includes the following State Parks... Siloam Springs State Park. This includes Interstate 72 between exits 10 and 35. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to an interior room on the lowest floor of a well-built building away from windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. && LAT...LON 3952 9134 3959 9139 3991 9095 3987 9092 3984 9092 3984 9089 3967 9075 3949 9132 TIME...MOT...LOC 1140Z 241DEG 33KT 3957 9129 TORNADO...RADAR INDICATED MAX HAIL SIZE...0.00 IN $$ Britt  197 WWUS53 KLSX 181156 SVSLSX Severe Weather Statement National Weather Service St Louis MO 656 AM CDT Mon May 18 2026 MOC163-173-181206- /O.CAN.KLSX.TO.W.0058.000000T0000Z-260518T1230Z/ Pike MO-Ralls MO- 656 AM CDT Mon May 18 2026 ...TORNADO WARNING IS CANCELLED FOR NORTHWESTERN PIKE AND NORTHEASTERN RALLS COUNTIES IN NORTHEASTERN MISSOURI... The severe thunderstorm capable of producing the tornado warning has moved out of Pike and Ralls counties in Missouri. && LAT...LON 3962 9117 3973 9120 3991 9095 3987 9092 3984 9092 3984 9089 3967 9075 3961 9112 TIME...MOT...LOC 1141Z 241DEG 33KT 3957 9128 $$ ILC001-149-181230- /O.CON.KLSX.TO.W.0058.000000T0000Z-260518T1230Z/ Adams IL-Pike IL- 656 AM CDT Mon May 18 2026 ...TORNADO WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR SOUTHEASTERN ADAMS AND NORTHWESTERN PIKE COUNTIES IN WEST CENTRAL ILLINOIS... At 656 AM CDT, a severe thunderstorm capable of producing a tornado was located over Barry, or 15 miles northwest of Pittsfield, moving northeast at 55 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows and vehicles will occur. Tree damage is likely. This tornado will be near... Barry around 655 AM CDT. Beverly around 700 AM CDT. Other locations impacted by the tornado include New Canton, Kinderhook, El Dara, Kingston, Baylis, New Salem and Fishhook. This includes the following State Parks... Siloam Springs State Park. This includes Interstate 72 between exits 10 and 35. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to an interior room on the lowest floor of a well-built building away from windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. && LAT...LON 3962 9117 3973 9120 3991 9095 3987 9092 3984 9092 3984 9089 3967 9075 3961 9112 TIME...MOT...LOC 1141Z 236DEG 45KT 3961 9124 TORNADO...RADAR INDICATED MAX HAIL SIZE...0.00 IN $$ Britt  344 WWUS53 KLSX 181158 SVSLSX Severe Weather Statement National Weather Service St Louis MO 658 AM CDT Mon May 18 2026 MOC007-027-181208- /O.EXP.KLSX.SV.W.0149.000000T0000Z-260518T1200Z/ Audrain MO-Callaway MO- 658 AM CDT Mon May 18 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 7 AM CDT FOR SOUTH CENTRAL AUDRAIN AND NORTHEASTERN CALLAWAY COUNTIES... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning will be allowed to expire. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office. && LAT...LON 3881 9204 3897 9203 3915 9163 3877 9165 3870 9206 TIME...MOT...LOC 1132Z 252DEG 38KT 3886 9184 $$ Britt