Severe

Significant threat to life or property

Illinois, Missouri Severe Thunderstorm Warning | Effective 05/18/2026 05:21

SVRLSX The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... Central Calhoun County in southwestern Illinois... Southwestern Greene County in southwestern Illinois... West Central Jersey County in southwestern Illinois... Northeastern Lincoln County in east central Missouri... Southeastern Pike County in northeastern Missouri... * Until 800 AM CDT. * At 721 AM CDT, a severe thunderstorm was located near Elsberry, moving east at 35 mph. HAZARD...60 mph wind gusts and small hail.

Nebraska Flood Watch | Effective 05/18/2026 04:49

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southeast Nebraska, including the following counties, Gage, Jefferson, Johnson, Lancaster, Nemaha, Otoe, Pawnee, Richardson, Saline and Seward. * WHEN...Through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. * ADDITIONAL DETAILS...

Illinois, Missouri Severe Thunderstorm Warning | Effective 05/18/2026 04:28

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.

Kansas Flood Watch | Effective 05/18/2026 04:29

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central, east central, north central, and northeast Kansas, including the following counties, in central Kansas, Dickinson. In east central Kansas, Anderson, Coffey, Douglas, Franklin, Geary, Lyon, Morris, Osage, Shawnee and Wabaunsee. In north central Kansas, Clay, Cloud, Ottawa, Republic and Washington. In northeast Kansas, Brown, Jackson, Jefferson, Marshall, Nemaha, Pottawatomie and Riley.

Missouri Severe Thunderstorm Warning | Effective 05/18/2026 04:32

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. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds.

Arizona, California, Nevada High Wind Warning | Effective 05/18/2026 04:44

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph. * WHERE...In Arizona, Lake Havasu and Fort Mohave, Lake Mead - AZ side, and Lake Mohave - AZ side. In California, San Bernardino County-Upper Colorado River Valley. In Nevada, Lake Mead - NV side and Lake Mohave - NV side. * WHEN...Until 11 AM PDT /11 AM MST/ this morning. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high-profile vehicles.

Illinois, Missouri Severe Thunderstorm Warning | Effective 05/18/2026 04:12

SVRLSX 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

Missouri Severe Thunderstorm Warning | Effective 05/18/2026 04:18

SVRLSX 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.
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