United StatesMay 2026
National Weather Service warnings and watches: May 2026
AreaZine recorded 2,688 warnings and watches from NWS in May 2026. Nationally the NWS issued 4,037 warnings in May 2026, 29% below the average of 5,672 for May in 2008-2025, and 5,893 warnings, watches and advisories in all (IEM VTEC archive).
Which warnings did the NWS issue most in May 2026?
| Product | May 2026 | An average May, 2008-2025 |
|---|---|---|
| Severe Thunderstorm Warning | 2,665 | 3,568 |
| Flood Advisory | 887 | 1,011 |
| Flash Flood Warning | 408 | 489 |
| Flood Warning | 364 | 815 |
| Tornado Warning | 249 | 567 |
| Frost Advisory | 225 | 97 |
| Red Flag Warning | 145 | 121 |
| Freeze Warning | 132 | 52 |
| Wind Advisory | 122 | 137 |
| Dense Fog Advisory | 78 | 76 |
Source: Iowa Environmental Mesonet archive of NWS watches, warnings and advisories (VTEC). A U.S. Government work, in the public domain.
Every notice, May 2026
NWS NormanWarningMay 31, 2026
Flash Flood Warning: Major, OK
Expired 3:00 a.m. CDT, June 1, 2026
NWS WichitaWarningMay 31, 2026
Flood Warning: Greenwood, KS
Expired 3:45 a.m. CDT, June 1, 2026
NWS TopekaWarningMay 31, 2026
Flash Flood Warning: Coffey, KS
Expired 2:30 a.m. CDT, June 1, 2026
NWS MiamiWarningMay 31, 2026
Special Marine Warning: Lake Okeechobee
Expired 12:15 a.m. EDT, June 1, 2026
NWS Sioux FallsWarningMay 31, 2026
Severe Thunderstorm Warning: Plymouth, Woodbury and Union, IA and SD
Expired 12:00 a.m. CDT, June 1, 2026
NWS NormanWarningMay 31, 2026
Severe Thunderstorm Warning: Blaine, Dewey and Major, OK
Expired 11:45 p.m. CDT, May 31, 2026
NWS Omaha/ValleyWarningMay 31, 2026
Severe Thunderstorm Warning: Harrison, Monona and Burt, IA and NE
Expired 11:45 p.m. CDT, May 31, 2026
NWS WichitaWarningMay 31, 2026
Severe Thunderstorm Warning: Greenwood, KS
Expired 12:00 a.m. CDT, June 1, 2026
NWS TopekaWarningMay 31, 2026
Severe Thunderstorm Warning: Coffey and Lyon, KS
Expired 11:45 p.m. CDT, May 31, 2026
NWS NormanWarningMay 31, 2026
Severe Thunderstorm Warning: Dewey, OK
Expired 11:15 p.m. CDT, May 31, 2026
NWS TopekaWarningMay 31, 2026
Flash Flood Warning: Lyon, KS
Expired 2:30 a.m. CDT, June 1, 2026
NWS MiamiWarningMay 31, 2026
Special Marine Warning: Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM and Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas
Expired 11:15 p.m. EDT, May 31, 2026
NWS TopekaWarningMay 31, 2026
Severe Thunderstorm Warning: Lyon, KS
Expired 10:45 p.m. CDT, May 31, 2026
NWS LubbockWarningMay 31, 2026
Severe Thunderstorm Warning: Hockley and Lubbock, TX
Expired 10:30 p.m. CDT, May 31, 2026
NWS AberdeenWarningMay 31, 2026
Flood Warning: McPherson, SD
Expired 9:45 a.m. CDT, June 1, 2026
NWS WichitaWarningMay 31, 2026
Severe Thunderstorm Warning: Greenwood, KS
Expired 10:30 p.m. CDT, May 31, 2026
NWS Sioux FallsWarningMay 31, 2026
Tornado Warning: Clay and Union, SD
Expired 10:00 p.m. CDT, May 31, 2026
NWS TopekaWarningMay 31, 2026
Severe Thunderstorm Warning: Lyon, KS
Expired 9:45 p.m. CDT, May 31, 2026
NWS TopekaWarningMay 31, 2026
Severe Thunderstorm Warning: Lyon, KS
Expired 9:15 p.m. CDT, May 31, 2026
NWS Kansas City/Pleasant HillWarningMay 31, 2026
Flood Warning: Johnson and Pettis, MO
Expired 3:00 a.m. CDT, June 3, 2026
NWS MelbourneWarningMay 31, 2026
Special Marine Warning: Volusia-Brevard County Line to Sebastian Inlet 0-20 nm
Expired 9:15 p.m. EDT, May 31, 2026
NWS Little RockWarningMay 31, 2026
Severe Thunderstorm Warning: White, AR
Expired 8:45 p.m. CDT, May 31, 2026
NWS LubbockWarningMay 31, 2026
Flash Flood Warning: Garza and Lynn, TX
Expired 9:30 p.m. CDT, May 31, 2026
NWS Sioux FallsWarningMay 31, 2026
Tornado Warning: Minnehaha, SD
Expired 8:45 p.m. CDT, May 31, 2026
NWS NormanWarningMay 31, 2026
Severe Thunderstorm Warning: Foard, Hardeman and Knox, TX
Expired 8:45 p.m. CDT, May 31, 2026
NWS MissoulaWarningMay 31, 2026
Flood Warning: Flathead, Lake and Sanders, MT
Expired 7:30 p.m. MDT, June 1, 2026
NWS AberdeenWarningMay 31, 2026
Flash Flood Warning: McPherson, SD
Expired 10:15 p.m. CDT, May 31, 2026
NWS Sioux FallsWarningMay 31, 2026
Severe Thunderstorm Warning: McCook and Minnehaha, SD
Expired 8:00 p.m. CDT, May 31, 2026
NWS Sioux FallsWarningMay 31, 2026
Tornado Warning: McCook and Minnehaha, SD
Expired 7:45 p.m. CDT, May 31, 2026
NWS Little RockWarningMay 31, 2026
Flash Flood Warning: Randolph and Sharp, AR
Expired 10:00 p.m. CDT, May 31, 2026
NWS AberdeenWarningMay 31, 2026
Flood Warning: McPherson, SD
Expired 9:45 p.m. CDT, May 31, 2026
NWS Little RockWarningMay 31, 2026
Flash Flood Warning: Arkansas County, Cleveland, Jefferson and 1 more, AR
Expired 9:45 p.m. CDT, May 31, 2026
NWS AberdeenWarningMay 31, 2026
Severe Thunderstorm Warning: Edmunds and McPherson, SD
Expired 7:00 p.m. CDT, May 31, 2026
NWS Sioux FallsWarningMay 31, 2026
Tornado Warning: McCook, SD
Expired 6:45 p.m. CDT, May 31, 2026
NWS MemphisWarningMay 31, 2026
Severe Thunderstorm Warning: Mississippi County, Pemiscot, Dyer and 1 more, AR and MO
Expired 6:45 p.m. CDT, May 31, 2026
NWS LubbockWarningMay 31, 2026
Severe Thunderstorm Warning: Crosby and Dickens, TX
Expired 7:00 p.m. CDT, May 31, 2026
NWS NashvilleWarningMay 31, 2026
Flash Flood Warning: Jackson, Overton and Putnam, TN
Expired 8:30 p.m. CDT, May 31, 2026
NWS Sioux FallsWarningMay 31, 2026
Severe Thunderstorm Warning: Hanson, Lake, McCook and 1 more, SD
Expired 6:45 p.m. CDT, May 31, 2026
NWS LubbockWarningMay 31, 2026
Flash Flood Warning: Crosby and Dickens, TX
Expired 7:30 p.m. CDT, May 31, 2026
NWS Sioux FallsWarningMay 31, 2026
Flash Flood Warning: Hanson, Hutchinson and McCook, SD
Expired 8:45 p.m. CDT, May 31, 2026
NWS Little RockWarningMay 31, 2026
Severe Thunderstorm Warning: Randolph and Sharp, AR
Expired 6:30 p.m. CDT, May 31, 2026
NWS TallahasseeWarningMay 31, 2026
Severe Thunderstorm Warning: Baker, Calhoun, Dougherty and 1 more, GA
Expired 6:30 p.m. EDT, May 31, 2026
NWS MelbourneWarningMay 31, 2026
Special Marine Warning: Volusia-Brevard County Line to Sebastian Inlet 0-20 nm
Expired 7:15 p.m. EDT, May 31, 2026
NWS JacksonvilleWarningMay 31, 2026
Special Marine Warning: Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM
Expired 6:30 p.m. EDT, May 31, 2026
NWS Midland/OdessaWarningMay 31, 2026
Flash Flood Warning: Brewster, TX
Expired 8:15 p.m. CDT, May 31, 2026
NWS New OrleansWarningMay 31, 2026
Flash Flood Warning: Jefferson and St. Charles, LA
Expired 7:15 p.m. CDT, May 31, 2026
NWS MemphisWarningMay 31, 2026
Severe Thunderstorm Warning: Clay, AR
Expired 6:00 p.m. CDT, May 31, 2026
NWS PaducahWarningMay 31, 2026
Severe Thunderstorm Warning: New Madrid, MO
Expired 5:45 p.m. CDT, May 31, 2026
NWS MemphisWarningMay 31, 2026
Severe Thunderstorm Warning: Clay, Dunklin and Pemiscot, AR and MO
Expired 5:45 p.m. CDT, May 31, 2026
NWS HuntsvilleWarningMay 31, 2026
Severe Thunderstorm Warning: Colbert, Lauderdale and Lawrence, AL
Expired 5:30 p.m. CDT, May 31, 2026
NWS Midland/OdessaWarningMay 31, 2026
Severe Thunderstorm Warning: Pecos, TX
Expired 5:30 p.m. CDT, May 31, 2026
NWS JacksonvilleWarningMay 31, 2026
Flash Flood Warning: Coffee, GA
Expired 6:45 p.m. EDT, May 31, 2026
NWS JacksonvilleWarningMay 31, 2026
Flash Flood Warning: Atkinson and Ware, GA
Expired 6:45 p.m. EDT, May 31, 2026
NWS MobileWarningMay 31, 2026
Flash Flood Warning: Escambia and Santa Rosa, FL
Expired 7:30 p.m. CDT, May 31, 2026
NWS PaducahWarningMay 31, 2026
Tornado Warning: Butler and Ripley, MO
Expired 4:45 p.m. CDT, May 31, 2026
NWS AnchorageWarningMay 31, 2026
Storm Warning: Castle Cape to Cape Tolstoi out to 15 NM
Expired 5:00 p.m. AKDT, June 1, 2026
NWS AnchorageWarningMay 31, 2026
Storm Warning: Sitkinak to Castle Cape out to 15 NM
Expired 5:00 p.m. AKDT, June 1, 2026
NWS PaducahWarningMay 31, 2026
Severe Thunderstorm Warning: Butler, Ripley and Stoddard, MO
Expired 4:45 p.m. CDT, May 31, 2026
NWS TallahasseeWarningMay 31, 2026
Severe Thunderstorm Warning: Dougherty, Lee, Terrell and 1 more, GA
Expired 4:45 p.m. EDT, May 31, 2026
NWS AnchorageWarningMay 31, 2026
Storm Warning: Shelikof Strait
Expired 5:00 p.m. AKDT, June 1, 2026
Source: National Weather Service alerts (api.weather.gov).