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 DenverWarningMay 28, 2026
Severe Thunderstorm Warning: Park, CO
Expired 7:15 p.m. MDT, May 28, 2026
NWS AlbuquerqueWarningMay 28, 2026
Flash Flood Warning: Union, NM
Expired 9:30 p.m. MDT, May 28, 2026
NWS Great FallsWarningMay 28, 2026
Flash Flood Warning: Glacier, MT
Expired 9:15 p.m. MDT, May 28, 2026
NWS SpokaneWarningMay 28, 2026
Flash Flood Warning: Shoshone, ID
Expired 8:15 p.m. PDT, May 28, 2026
NWS MelbourneWarningMay 28, 2026
Special Marine Warning: Flagler Beach to Volusia-Brevard County Line 0-20 nm and Flagler Beach to Volusia-Brevard County Line 20-60 nm
Expired 7:30 p.m. EDT, May 28, 2026
NWS DenverWarningMay 28, 2026
Severe Thunderstorm Warning: Clear Creek and Park, CO
Expired 6:30 p.m. MDT, May 28, 2026
NWS Great FallsWarningMay 28, 2026
Severe Thunderstorm Warning: Glacier, Pondera and Toole, MT
Expired 6:00 p.m. MDT, May 28, 2026
NWS PuebloWarningMay 28, 2026
Flash Flood Warning: Las Animas, CO
Expired 8:30 p.m. MDT, May 28, 2026
NWS JacksonvilleWarningMay 28, 2026
Special Marine Warning: Coastal waters from St. Augustine to Flagler Beach FL out 20 NM
Expired 6:15 p.m. EDT, May 28, 2026
NWS New OrleansWarningMay 28, 2026
Flood Warning: Hancock and Pearl River, MS
Expired 8:15 p.m. CDT, May 28, 2026
NWS SpokaneWarningMay 28, 2026
Severe Thunderstorm Warning: Latah and Shoshone, ID
Expired 6:00 p.m. PDT, May 28, 2026
NWS CharlestonWarningMay 28, 2026
Flash Flood Warning: Jenkins and Screven, GA
Expired 8:00 p.m. EDT, May 28, 2026
NWS San AngeloWarningMay 28, 2026
Severe Thunderstorm Warning: Callahan, TX
Expired 6:00 p.m. CDT, May 28, 2026
NWS JacksonvilleWarningMay 28, 2026
Special Marine Warning: Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM
Expired 6:00 p.m. EDT, May 28, 2026
NWS PendletonWarningMay 28, 2026
Severe Thunderstorm Warning: Grant, Jefferson, Morrow and 1 more, OR
Expired 6:00 p.m. PDT, May 28, 2026
NWS BoiseWarningMay 28, 2026
Severe Thunderstorm Warning: Baker, OR
Expired 4:45 p.m. PDT, May 28, 2026
NWS MissoulaWarningMay 28, 2026
Severe Thunderstorm Warning: Idaho County, ID
Expired 5:00 p.m. MDT, May 28, 2026
NWS PuebloWarningMay 28, 2026
Severe Thunderstorm Warning: Las Animas, CO
Expired 4:45 p.m. MDT, May 28, 2026
NWS PendletonWarningMay 28, 2026
Severe Thunderstorm Warning: Crook and Wheeler, OR
Expired 5:00 p.m. PDT, May 28, 2026
NWS JacksonvilleWarningMay 28, 2026
Special Marine Warning: Coastal waters from St. Augustine to Flagler Beach FL out 20 NM
Expired 5:15 p.m. EDT, May 28, 2026
NWS Fort WorthWarningMay 28, 2026
Severe Thunderstorm Warning: Hood, Johnson, Parker and 1 more, TX
Expired 5:00 p.m. CDT, May 28, 2026
NWS BoiseWarningMay 28, 2026
Severe Thunderstorm Warning: Ada, Boise, Canyon and 5 more, ID
Expired 5:15 p.m. MDT, May 28, 2026
NWS BoiseWarningMay 28, 2026
Severe Thunderstorm Warning: Adams, Washington County and Baker, ID and OR
Expired 4:45 p.m. MDT, May 28, 2026
NWS PendletonWarningMay 28, 2026
Severe Thunderstorm Warning: Grant and Wheeler, OR
Expired 5:00 p.m. PDT, May 28, 2026
NWS BirminghamWarningMay 28, 2026
Flash Flood Warning: Jefferson, AL
Expired 6:00 p.m. CDT, May 28, 2026
NWS New OrleansWarningMay 28, 2026
Flash Flood Warning: Jackson, MS
Expired 7:00 p.m. CDT, May 28, 2026
NWS JacksonvilleWarningMay 28, 2026
Special Marine Warning: Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM and Coastal waters from St. Augustine to Flagler Beach FL out 20 NM
Expired 5:00 p.m. EDT, May 28, 2026
NWS JacksonWarningMay 28, 2026
Flash Flood Warning: East Carroll, Morehouse and West Carroll, LA
Expired 6:45 p.m. CDT, May 28, 2026
NWS PendletonWarningMay 28, 2026
Severe Thunderstorm Warning: Crook, Deschutes, Grant and 1 more, OR
Expired 4:30 p.m. PDT, May 28, 2026
NWS BoiseWarningMay 28, 2026
Severe Thunderstorm Warning: Adams, Washington County and Baker, ID and OR
Expired 4:15 p.m. MDT, May 28, 2026
NWS Little RockWarningMay 28, 2026
Flash Flood Warning: Pulaski and Saline, AR
Expired 6:30 p.m. CDT, May 28, 2026
NWS BoiseWarningMay 28, 2026
Severe Thunderstorm Warning: Ada, Canyon, Elmore and 1 more, ID
Expired 4:00 p.m. MDT, May 28, 2026
NWS JacksonvilleWarningMay 28, 2026
Special Marine Warning: Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM and Coastal waters from St. Augustine to Flagler Beach FL out 20 NM
Expired 4:00 p.m. EDT, May 28, 2026
NWS PendletonWarningMay 28, 2026
Severe Thunderstorm Warning: Crook, Deschutes and Grant, OR
Expired 3:30 p.m. PDT, May 28, 2026
NWS BoiseWarningMay 28, 2026
Severe Thunderstorm Warning: Harney, OR
Expired 3:00 p.m. PDT, May 28, 2026
NWS BoiseWarningMay 28, 2026
Severe Thunderstorm Warning: Harney, OR
Expired 3:00 p.m. PDT, May 28, 2026
NWS MedfordWarningMay 28, 2026
Severe Thunderstorm Warning: Lake, OR
Expired 3:00 p.m. PDT, May 28, 2026
NWS MobileWarningMay 28, 2026
Flood Warning: Stone, MS
Expired 4:00 p.m. CDT, May 28, 2026
NWS ColumbiaWarningMay 28, 2026
Flood Warning: Calhoun and Richland, SC
Expired 8:00 p.m. EDT, May 29, 2026
NWS AlbuquerqueWarningMay 28, 2026
Red Flag Warning: West Central Mountains, NM
Expired 8:00 p.m. MDT, May 28, 2026
NWS Little RockWarningMay 28, 2026
Flash Flood Warning: Boone, Newton and Searcy, AR
Expired 4:30 p.m. CDT, May 28, 2026
NWS BoiseWarningMay 28, 2026
Severe Thunderstorm Warning: Harney, OR
Expired 2:00 p.m. PDT, May 28, 2026
NWS New OrleansWarningMay 28, 2026
Flood Warning: Harrison, MS
Expired 8:43 p.m. CDT, May 31, 2026
NWS Little RockWarningMay 28, 2026
Flash Flood Warning: Conway, Faulkner, Pope and 2 more, AR
Expired 3:45 p.m. CDT, May 28, 2026
NWS Little RockWarningMay 28, 2026
Flash Flood Warning: Baxter, Boone, Marion and 1 more, AR
Expired 3:30 p.m. CDT, May 28, 2026
NWS ShreveportWarningMay 28, 2026
Flash Flood Warning: Ouachita and Union, LA
Expired 3:30 p.m. CDT, May 28, 2026
NWS New OrleansWarningMay 28, 2026
Flood Warning: Jackson, MS
Expired 1:00 a.m. CDT, June 1, 2026
NWS SpringfieldWarningMay 28, 2026
Flash Flood Warning: Ozark and Taney, MO
Expired 6:30 p.m. CDT, May 28, 2026
NWS AlbuquerqueWarningMay 28, 2026
Red Flag Warning: Northwest Plateau, West Central Mountains and West Central Basin and Range, NM
Expired 8:00 p.m. MDT, May 29, 2026
NWS Little RockWarningMay 28, 2026
Flash Flood Warning: Searcy and Stone, AR
Expired 3:15 p.m. CDT, May 28, 2026
NWS Little RockWarningMay 28, 2026
Flood Warning: Jackson and Woodruff, AR
Expired 12:00 p.m. CDT, May 29, 2026
NWS New OrleansWarningMay 28, 2026
Flash Flood Warning: Hancock and Pearl River, MS
Expired 2:30 p.m. CDT, May 28, 2026
NWS New OrleansWarningMay 28, 2026
Flash Flood Warning: Orleans and St. Bernard, LA
Expired 2:30 p.m. CDT, May 28, 2026
NWS Grand JunctionWarningMay 28, 2026
Red Flag Warning: Southwest Colorado Lower Forecast Area, Paradox Valley, North Fork and 4 more, CO and UT
Expired 8:00 p.m. MDT, May 29, 2026
NWS MobileWarningMay 28, 2026
Flash Flood Warning: Stone, MS
Expired 2:00 p.m. CDT, May 28, 2026
NWS New OrleansWarningMay 28, 2026
Special Marine Warning: Lake Pontchartrain
Expired 12:00 p.m. CDT, May 28, 2026
NWS New OrleansWarningMay 28, 2026
Flash Flood Warning: Hancock and Pearl River, MS
Expired 2:00 p.m. CDT, May 28, 2026
NWS Little RockWarningMay 28, 2026
Flash Flood Warning: Searcy, Stone and Van Buren, AR
Expired 2:00 p.m. CDT, May 28, 2026
NWS New OrleansWarningMay 28, 2026
Flood Warning: Pearl River, MS
Expired 9:24 a.m. CDT, May 30, 2026
NWS FlagstaffWarningMay 28, 2026
Red Flag Warning: Northeast Plateaus and Mesas Hwy 264 Northward, Chinle Valley, Chuska Mountains and Defiance Plateau and 1 more, AZ
Expired 8:00 p.m. PDT, May 29, 2026
Source: National Weather Service alerts (api.weather.gov).