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 Corpus ChristiWarningMay 21, 2026
Flash Flood Warning: Goliad, Refugio and Victoria, TX
Expired 11:15 a.m. CDT, May 21, 2026
NWS Houston/GalvestonWarningMay 21, 2026
Special Marine Warning: Matagorda Bay, Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM and Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM
Expired 9:15 a.m. CDT, May 21, 2026
NWS Corpus ChristiWarningMay 21, 2026
Special Marine Warning: Copano, Aransas, and Redfish Bays, San Antonio, Mesquite, and Espiritu Santo Bays, Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM and 2 more
Expired 8:45 a.m. CDT, May 21, 2026
NWS Corpus ChristiWarningMay 21, 2026
Flash Flood Warning: Aransas, Calhoun, Refugio and 1 more, TX
Expired 10:00 a.m. CDT, May 21, 2026
NWS BrownsvilleWarningMay 21, 2026
Special Marine Warning: Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM, Waters from Port Mansfield TX to the Rio Grande River from 20 to 60 NM and Waters from Baffin Bay to Po
Expired 8:00 a.m. CDT, May 21, 2026
NWS PaducahWarningMay 21, 2026
Flood Warning: Wayne and White, IL
Expired 7:00 p.m. CDT, May 21, 2026
NWS Corpus ChristiWarningMay 21, 2026
Special Marine Warning: Corpus Christi and Nueces Bays, Copano, Aransas, and Redfish Bays, San Antonio, Mesquite, and Espiritu Santo Bays and 4 more
Expired 8:00 a.m. CDT, May 21, 2026
NWS Grand JunctionWarningMay 21, 2026
Red Flag Warning: Southwest Colorado Lower Forecast Area, CO
Expired 7:00 p.m. MDT, May 21, 2026
NWS Corpus ChristiWarningMay 21, 2026
Flash Flood Warning: Kleberg, Nueces and San Patricio, TX
Expired 8:45 a.m. CDT, May 21, 2026
NWS Corpus ChristiWarningMay 21, 2026
Flash Flood Warning: Jim Wells, Nueces and San Patricio, TX
Expired 8:15 a.m. CDT, May 21, 2026
NWS Corpus ChristiWarningMay 21, 2026
Special Marine Warning: Baffin Bay and Upper Laguna Madre, Corpus Christi and Nueces Bays, Copano, Aransas, and Redfish Bays and 2 more
Expired 6:45 a.m. CDT, May 21, 2026
NWS BrownsvilleWarningMay 21, 2026
Special Marine Warning: Laguna Madre From the Port Of Brownsville to the Arroyo Colorado, Laguna Madre From The Arroyo Colorado To 5 NM North Of Port Mansfield TX, Laguna Madre From 5 nm North Of Port
Expired 7:00 a.m. CDT, May 21, 2026
NWS Corpus ChristiWarningMay 21, 2026
Flash Flood Warning: Duval, Jim Wells, Kleberg and 1 more, TX
Expired 7:45 a.m. CDT, May 21, 2026
NWS Corpus ChristiWarningMay 21, 2026
Flash Flood Warning: Duval and Jim Wells, TX
Expired 7:00 a.m. CDT, May 21, 2026
NWS BrownsvilleWarningMay 21, 2026
Severe Thunderstorm Warning: Hidalgo and Starr, TX
Expired 4:15 a.m. CDT, May 21, 2026
NWS Corpus ChristiWarningMay 21, 2026
Tornado Warning: Duval, Jim Wells and Kleberg, TX
Expired 4:15 a.m. CDT, May 21, 2026
NWS Corpus ChristiWarningMay 21, 2026
Flash Flood Warning: Webb, TX
Expired 3:45 a.m. CDT, May 21, 2026
NWS San AngeloWarningMay 20, 2026
Severe Thunderstorm Warning: Mason, TX
Expired 12:30 a.m. CDT, May 21, 2026
NWS San AngeloWarningMay 20, 2026
Flash Flood Warning: Kimble and Mason, TX
Expired 2:15 a.m. CDT, May 21, 2026
NWS San AngeloWarningMay 20, 2026
Severe Thunderstorm Warning: Kimble, Menard, Schleicher and 1 more, TX
Expired 10:30 p.m. CDT, May 20, 2026
NWS Grand JunctionWarningMay 20, 2026
Red Flag Warning: Paradox Valley and Colorado River Basin, CO and UT
Expired 7:00 p.m. MDT, May 21, 2026
NWS CharlestonWarningMay 20, 2026
Severe Thunderstorm Warning: Barbour, Harrison, Lewis and 2 more, WV
Expired 8:15 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Special Marine Warning: Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 NM, Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 NM and Waters from Manasquan Inlet NJ to
Expired 9:00 p.m. EDT, May 20, 2026
NWS San AngeloWarningMay 20, 2026
Severe Thunderstorm Warning: Crockett and Schleicher, TX
Expired 8:15 p.m. CDT, May 20, 2026
NWS UptonWarningMay 20, 2026
Special Marine Warning: South Shore Bays from Jones Inlet through Shinnecock Bay, Fire Island Inlet NY to Moriches Inlet NY out 20 NM, Sandy Hook NJ to Fire Island Inlet NY out 20 NM and 2 more
Expired 8:00 p.m. EDT, May 20, 2026
NWS UptonWarningMay 20, 2026
Special Marine Warning: Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River and Long Island Sound West of New Haven CT/Port Jefferson NY
Expired 7:45 p.m. EDT, May 20, 2026
NWS WilmingtonWarningMay 20, 2026
Flash Flood Warning: Bracken and Pendleton, KY
Expired 9:00 p.m. EDT, May 20, 2026
NWS Lake CharlesWarningMay 20, 2026
Flash Flood Warning: Iberia, St. Martin and St. Mary, LA
Expired 10:30 p.m. CDT, May 20, 2026
NWS Midland/OdessaWarningMay 20, 2026
Severe Thunderstorm Warning: Brewster, Pecos and Terrell, TX
Expired 7:30 p.m. CDT, May 20, 2026
NWS UptonWarningMay 20, 2026
Special Marine Warning: New York Harbor and Sandy Hook NJ to Fire Island Inlet NY out 20 NM
Expired 7:30 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Severe Thunderstorm Warning: Burlington, Mercer, Middlesex and 3 more, NJ
Expired 7:30 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Special Marine Warning: Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 NM, Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 NM, Waters from Sandy Hook NJ to Manasquan Inl
Expired 8:15 p.m. EDT, May 20, 2026
NWS UptonWarningMay 20, 2026
Special Marine Warning: Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River and Long Island Sound West of New Haven CT/Port Jefferson NY
Expired 7:00 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Severe Thunderstorm Warning: Ocean, NJ
Expired 6:45 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Severe Thunderstorm Warning: Atlantic, Burlington, Camden and 4 more, NJ and PA
Expired 7:15 p.m. EDT, May 20, 2026
NWS UptonWarningMay 20, 2026
Severe Thunderstorm Warning: Essex, Hudson, Union and 3 more, NJ and NY
Expired 7:00 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Special Marine Warning: Delaware Bay waters north of East Point NJ to Slaughter Beach DE, Delaware Bay waters south of East Point NJ to Slaughter Beach DE, Coastal waters from Great Egg Inlet to Cape
Expired 7:00 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Flash Flood Warning: Burlington, Camden, Gloucester and 4 more, NJ and PA
Expired 9:45 p.m. EDT, May 20, 2026
NWS CharlestonWarningMay 20, 2026
Severe Thunderstorm Warning: Braxton, Lewis, Upshur and 1 more, WV
Expired 6:00 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Severe Thunderstorm Warning: New Castle, Camden, Gloucester and 4 more, DE and NJ
Expired 6:15 p.m. EDT, May 20, 2026
NWS UptonWarningMay 20, 2026
Severe Thunderstorm Warning: Fairfield and Westchester, CT and NY
Expired 6:15 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Severe Thunderstorm Warning: Hunterdon, Middlesex, Morris and 4 more, NJ and PA
Expired 6:15 p.m. EDT, May 20, 2026
NWS Baltimore MD/WashingtonWarningMay 20, 2026
Severe Thunderstorm Warning: Cecil, MD
Expired 6:15 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Severe Thunderstorm Warning: Kent, New Castle, Kent and 1 more, DE and MD
Expired 6:00 p.m. EDT, May 20, 2026
NWS Peachtree CityWarningMay 20, 2026
Flash Flood Warning: DeKalb and Fulton, GA
Expired 11:15 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Severe Thunderstorm Warning: Burlington, Hunterdon, Mercer and 5 more, NJ and PA
Expired 6:00 p.m. EDT, May 20, 2026
NWS Midland/OdessaWarningMay 20, 2026
Severe Thunderstorm Warning: Brewster, Pecos and Terrell, TX
Expired 6:00 p.m. CDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Severe Thunderstorm Warning: Camden, Gloucester, Chester and 3 more, NJ and PA
Expired 6:00 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Special Marine Warning: Delaware Bay waters north of East Point NJ to Slaughter Beach DE
Expired 7:00 p.m. EDT, May 20, 2026
NWS Midland/OdessaWarningMay 20, 2026
Severe Thunderstorm Warning: Brewster, TX
Expired 5:00 p.m. CDT, May 20, 2026
NWS UptonWarningMay 20, 2026
Severe Thunderstorm Warning: Suffolk, NY
Expired 5:15 p.m. EDT, May 20, 2026
NWS Baltimore MD/WashingtonWarningMay 20, 2026
Special Marine Warning: Chesapeake Bay from Sandy Point to North Beach MD and Eastern Bay
Expired 6:30 p.m. EDT, May 20, 2026
NWS CharlestonWarningMay 20, 2026
Severe Thunderstorm Warning: Lincoln and Wayne, WV
Expired 5:00 p.m. EDT, May 20, 2026
NWS Mount HollyWarningMay 20, 2026
Severe Thunderstorm Warning: Berks, Chester and Montgomery, PA
Expired 5:15 p.m. EDT, May 20, 2026
NWS Baltimore MD/WashingtonWarningMay 20, 2026
Special Marine Warning: Tidal Potomac from Indian Head to Cobb Island MD
Expired 6:00 p.m. EDT, May 20, 2026
NWS Baltimore MD/WashingtonWarningMay 20, 2026
Severe Thunderstorm Warning: Baltimore, Carroll and Harford, MD
Expired 5:00 p.m. EDT, May 20, 2026
NWS State CollegeWarningMay 20, 2026
Severe Thunderstorm Warning: Lancaster, PA
Expired 5:00 p.m. EDT, May 20, 2026
NWS Midland/OdessaWarningMay 20, 2026
Flash Flood Warning: Brewster and Pecos, TX
Expired 7:15 p.m. CDT, May 20, 2026
NWS UptonWarningMay 20, 2026
Special Marine Warning: Long Island Sound West of New Haven CT/Port Jefferson NY
Expired 4:45 p.m. EDT, May 20, 2026
NWS State CollegeWarningMay 20, 2026
Severe Thunderstorm Warning: Dauphin, Lebanon and Schuylkill, PA
Expired 4:15 p.m. EDT, May 20, 2026
Source: National Weather Service alerts (api.weather.gov).
Earlier notices kept from May 2026
13 earlier notices in AreaZine's record; the latest first below. Every one, oldest first: May 7, 2026 to May 27, 2026.
- Civil Danger Warning Test Issued for Roseau, MN Roseau, MN NOAA
- AMBER Alert Issued for Los Angeles, Riverside, San Diego CA Los Angeles, Riverside, San Diego CA NOAA
- AMBER Alert Issued for Los Angeles and Orange Counties Los Angeles and Orange Counties, CA NOAA
- Red Flag Warning Issued for South Central Nebraska and North Central Kansas South Central Nebraska and North Central Kansas NOAA
- Civil Emergency Message Issued for Saratoga, Wyoming Saratoga, Wyoming NOAA
- Special Marine Warning Issued for Coastal Waters from Tarpon Springs to Suwannee River Through 7 PM Coastal Florida (Tarpon Springs to Suwannee River) NOAA
- Shelter in Place Warning All Clear - Manor, TX Travis County, Texas NOAA
- Severe Thunderstorm Warning Issued for Custer and Dewey Counties in Oklahoma Western and Northwestern Oklahoma NOAA
- Fire Warning Issued for Lincoln Areas Near Capitans Lincoln NOAA
- Evacuation Immediate Alert Issued for Lincoln Lincoln NOAA
- Special Marine Warning Issued for Charleston Harbor and Coastal South Carolina Waters Coastal South Carolina NOAA
- Boil Order Alert Issued for McCammon Area McCammon, Idaho NOAA
- Severe Thunderstorm Warning Issued for Christian, Macon, and Sangamon Counties in Central Illinois Central Illinois NOAA
Notices AreaZine published before its record of the live feed began. AreaZine no longer holds each agency's full record for them, so each line shows what AreaZine recorded and links the agency where it gave a link.