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 Baltimore MD/WashingtonWarningMay 20, 2026
Severe Thunderstorm Warning: Clarke, Frederick and Warren, VA
Expired 4:00 p.m. EDT, May 20, 2026
NWS Midland/OdessaWarningMay 20, 2026
Severe Thunderstorm Warning: Brewster, TX
Expired 4:00 p.m. CDT, May 20, 2026
NWS CharlestonWarningMay 20, 2026
Severe Thunderstorm Warning: Lawrence, Cabell, Lincoln and 1 more, OH and WV
Expired 3:45 p.m. EDT, May 20, 2026
NWS IndianapolisWarningMay 20, 2026
Flood Warning: Decatur and Rush, IN
Expired 11:45 p.m. EDT, May 20, 2026
NWS Midland/OdessaWarningMay 20, 2026
Flash Flood Warning: Glasscock and Reagan, TX
Expired 5:45 p.m. CDT, May 20, 2026
NWS LouisvilleWarningMay 20, 2026
Severe Thunderstorm Warning: Madison, KY
Expired 2:00 p.m. EDT, May 20, 2026
NWS Midland/OdessaWarningMay 20, 2026
Flash Flood Warning: Andrews, Dawson, Gaines and 1 more, TX
Expired 4:15 p.m. CDT, May 20, 2026
NWS IndianapolisWarningMay 20, 2026
Flood Warning: Brown, Greene, Monroe and 1 more, IN
Expired 7:00 p.m. EDT, May 20, 2026
NWS BillingsWarningMay 20, 2026
Winter Storm Warning: Absaroka/Beartooth Mountains, MT
Expired 6:00 p.m. MDT, May 21, 2026
NWS Midland/OdessaWarningMay 20, 2026
Flash Flood Warning: Andrews and Ector, TX
Expired 3:45 p.m. CDT, May 20, 2026
NWS IndianapolisWarningMay 20, 2026
Flood Warning: Decatur, IN
Expired 3:33 p.m. EDT, May 21, 2026
NWS St LouisWarningMay 20, 2026
Flood Warning: Gasconade and Montgomery, MO
Expired 3:00 a.m. CDT, May 25, 2026
NWS IndianapolisWarningMay 20, 2026
Flood Warning: Daviess, Greene, Knox and 1 more, IN
Expired 4:00 p.m. EDT, May 20, 2026
NWS Houston/GalvestonWarningMay 20, 2026
Flash Flood Warning: Brazoria and Matagorda, TX
Expired 11:15 a.m. CDT, May 20, 2026
NWS Houston/GalvestonWarningMay 20, 2026
Special Marine Warning: Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM, Coastal waters from High Island to Freeport TX out 20 NM, Waters from Freeport to Matagorda Ship Channel TX
Expired 9:30 a.m. CDT, May 20, 2026
NWS BrownsvilleWarningMay 20, 2026
Special Marine Warning: Laguna Madre From the Port Of Brownsville to the Arroyo Colorado, Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM and Waters from Port Mansfield TX to t
Expired 9:00 a.m. CDT, May 20, 2026
NWS IndianapolisWarningMay 20, 2026
Flood Warning: Johnson, IN
Expired 2:42 p.m. EDT, May 21, 2026
NWS BrownsvilleWarningMay 20, 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, Coastal waters from Port Mansfield T
Expired 8:30 a.m. CDT, May 20, 2026
NWS SpringfieldWarningMay 20, 2026
Flood Warning: Bourbon, Benton, Camden and 7 more, KS and MO
Expired 7:30 a.m. CDT, May 20, 2026
NWS BrownsvilleWarningMay 20, 2026
Severe Thunderstorm Warning: Cameron and Willacy, TX
Expired 8:00 a.m. CDT, May 20, 2026
NWS BrownsvilleWarningMay 20, 2026
Severe Thunderstorm Warning: Cameron, TX
Expired 8:00 a.m. CDT, May 20, 2026
NWS WilmingtonWarningMay 20, 2026
Severe Thunderstorm Warning: Franklin, OH
Expired 7:30 a.m. EDT, May 20, 2026
NWS Houston/GalvestonWarningMay 20, 2026
Special Marine Warning: Galveston Bay, Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM, Coastal waters from High Island to Freeport TX out 20 NM and 2 more
Expired 8:30 a.m. CDT, May 20, 2026
NWS BrownsvilleWarningMay 20, 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, Coastal waters from Port Mansfield T
Expired 7:45 a.m. CDT, May 20, 2026
NWS BrownsvilleWarningMay 20, 2026
Severe Thunderstorm Warning: Cameron, Kenedy and Willacy, TX
Expired 7:15 a.m. CDT, May 20, 2026
NWS Corpus ChristiWarningMay 20, 2026
Special Marine Warning: Waters from Baffin Bay to Port Aransas from 20 to 60 NM and Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM
Expired 7:15 a.m. CDT, May 20, 2026
NWS BrownsvilleWarningMay 20, 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 7:15 a.m. CDT, May 20, 2026
NWS BrownsvilleWarningMay 20, 2026
Severe Thunderstorm Warning: Kenedy, TX
Expired 6:30 a.m. CDT, May 20, 2026
NWS BrownsvilleWarningMay 20, 2026
Special Marine Warning: Laguna Madre From 5 nm North Of Port Mansfield To Baffin Bay TX, Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM and Waters from Baffin Bay to Port Mansfield TX f
Expired 6:00 a.m. CDT, May 20, 2026
NWS BrownsvilleWarningMay 20, 2026
Severe Thunderstorm Warning: Brooks and Kenedy, TX
Expired 5:45 a.m. CDT, May 20, 2026
NWS Corpus ChristiWarningMay 20, 2026
Special Marine Warning: Corpus Christi and Nueces Bays, Copano, Aransas, and Redfish Bays, San Antonio, Mesquite, and Espiritu Santo Bays and 3 more
Expired 5:45 a.m. CDT, May 20, 2026
NWS Corpus ChristiWarningMay 20, 2026
Special Marine Warning: Baffin Bay and Upper Laguna Madre, Corpus Christi and Nueces Bays, Coastal waters from Baffin Bay to Port Aransas out 20 NM and 1 more
Expired 5:30 a.m. CDT, May 20, 2026
NWS Corpus ChristiWarningMay 20, 2026
Severe Thunderstorm Warning: Aransas, Calhoun, Jim Wells and 4 more, TX
Expired 5:00 a.m. CDT, May 20, 2026
NWS LouisvilleWarningMay 20, 2026
Flash Flood Warning: Crawford and Perry, IN
Expired 7:15 a.m. EDT, May 20, 2026
NWS Houston/GalvestonWarningMay 20, 2026
Special Marine Warning: Galveston Bay, Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM and Coastal waters from High Island to Freeport TX out 20 NM
Expired 4:45 a.m. CDT, May 20, 2026
NWS Corpus ChristiWarningMay 20, 2026
Special Marine Warning: Corpus Christi and Nueces Bays, Copano, Aransas, and Redfish Bays, San Antonio, Mesquite, and Espiritu Santo Bays and 2 more
Expired 4:45 a.m. CDT, May 20, 2026
NWS Houston/GalvestonWarningMay 20, 2026
Special Marine Warning: Matagorda Bay, Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM, Coastal waters from High Island to Freeport TX out 20 NM and 2 more
Expired 2:45 a.m. CDT, May 20, 2026
NWS Austin/San AntonioWarningMay 20, 2026
Severe Thunderstorm Warning: Zavala, TX
Expired 12:45 a.m. CDT, May 20, 2026
NWS Austin/San AntonioWarningMay 19, 2026
Severe Thunderstorm Warning: Bandera, Bexar, Blanco and 3 more, TX
Expired 12:15 a.m. CDT, May 20, 2026
NWS Houston/GalvestonWarningMay 19, 2026
Special Marine Warning: Matagorda Bay, Galveston Bay, Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM and 2 more
Expired 1:15 a.m. CDT, May 20, 2026
NWS Lake CharlesWarningMay 19, 2026
Special Marine Warning: Calcasieu Lake, Coastal waters from Cameron LA to High Island TX out 20 NM, Coastal waters from Intracoastal City to Cameron LA out 20 NM and 2 more
Expired 12:00 a.m. CDT, May 20, 2026
NWS Austin/San AntonioWarningMay 19, 2026
Severe Thunderstorm Warning: Kinney and Val Verde, TX
Expired 11:45 p.m. CDT, May 19, 2026
NWS Houston/GalvestonWarningMay 19, 2026
Severe Thunderstorm Warning: Austin, Burleson, Colorado County and 1 more, TX
Expired 11:45 p.m. CDT, May 19, 2026
NWS Austin/San AntonioWarningMay 19, 2026
Flash Flood Warning: Williamson, TX
Expired 3:00 a.m. CDT, May 20, 2026
NWS Austin/San AntonioWarningMay 19, 2026
Severe Thunderstorm Warning: Bastrop, Fayette and Lee, TX
Expired 11:30 p.m. CDT, May 19, 2026
NWS Houston/GalvestonWarningMay 19, 2026
Severe Thunderstorm Warning: Burleson, TX
Expired 11:15 p.m. CDT, May 19, 2026
NWS Austin/San AntonioWarningMay 19, 2026
Severe Thunderstorm Warning: Val Verde, TX
Expired 11:15 p.m. CDT, May 19, 2026
NWS Lake CharlesWarningMay 19, 2026
Special Marine Warning: Calcasieu Lake
Expired 11:15 p.m. CDT, May 19, 2026
NWS Lake CharlesWarningMay 19, 2026
Severe Thunderstorm Warning: Allen, Beauregard, Calcasieu and 1 more, LA
Expired 10:45 p.m. CDT, May 19, 2026
NWS IndianapolisWarningMay 19, 2026
Flood Warning: Daviess, Greene, Knox and 2 more, IN
Expired 4:00 a.m. EDT, May 20, 2026
NWS Lake CharlesWarningMay 19, 2026
Special Marine Warning: Sabine Lake and Coastal waters from Cameron LA to High Island TX out 20 NM
Expired 11:00 p.m. CDT, May 19, 2026
NWS Fort WorthWarningMay 19, 2026
Severe Thunderstorm Warning: Milam, TX
Expired 10:45 p.m. CDT, May 19, 2026
NWS Houston/GalvestonWarningMay 19, 2026
Special Marine Warning: Galveston Bay, Coastal waters from High Island to Freeport TX out 20 NM and Waters from High Island to Freeport TX from 20 to 60 NM
Expired 11:15 p.m. CDT, May 19, 2026
NWS Fort WorthWarningMay 19, 2026
Severe Thunderstorm Warning: Bell and Milam, TX
Expired 10:30 p.m. CDT, May 19, 2026
NWS Austin/San AntonioWarningMay 19, 2026
Severe Thunderstorm Warning: Comal and Kendall, TX
Expired 10:15 p.m. CDT, May 19, 2026
NWS Austin/San AntonioWarningMay 19, 2026
Flash Flood Warning: Williamson, TX
Expired 2:00 a.m. CDT, May 20, 2026
NWS Austin/San AntonioWarningMay 19, 2026
Severe Thunderstorm Warning: Williamson, TX
Expired 10:15 p.m. CDT, May 19, 2026
NWS WilmingtonWarningMay 19, 2026
Severe Thunderstorm Warning: Fairfield, Franklin, Licking and 1 more, OH
Expired 10:00 p.m. EDT, May 19, 2026
NWS Austin/San AntonioWarningMay 19, 2026
Severe Thunderstorm Warning: Williamson, TX
Expired 9:30 p.m. CDT, May 19, 2026
NWS Austin/San AntonioWarningMay 19, 2026
Severe Thunderstorm Warning: Blanco, Comal, Hays and 3 more, TX
Expired 10:00 p.m. CDT, May 19, 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.