United StatesAugust 2026
National Weather Service warnings and watches: August 2026
AreaZine recorded 4,574 warnings and watches from NWS in August 2026. Nationally the NWS issued 6,626 warnings in August 2026, 64% above the average of 4,040 for August in 2008-2025, and 9,563 warnings, watches and advisories in all (IEM VTEC archive).
Which warnings did the NWS issue most in August 2026?
| Product | August 2026 | An average August, 2008-2025 |
|---|---|---|
| Severe Thunderstorm Warning | 4,511 | 2,556 |
| Flood Advisory | 1,791 | 1,741 |
| Flash Flood Warning | 1,241 | 755 |
| Heat Advisory | 465 | 184 |
| Flood Warning | 404 | 351 |
| Tornado Warning | 226 | 195 |
| Flood Watch | 138 | 49 |
| Red Flag Warning | 109 | 106 |
| Severe Thunderstorm Watch | 100 | 52 |
| Dense Fog Advisory | 95 | 69 |
Source: Iowa Environmental Mesonet archive of NWS watches, warnings and advisories (VTEC). A U.S. Government work, in the public domain.
Every notice, August 2026
NWS New OrleansWarningAugust 31, 2026
Special Marine Warning: Terrebonne Bay, Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm and Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from
Expired 1:00 a.m. CDT, September 1, 2026
NWS FlagstaffWarningAugust 31, 2026
Flash Flood Warning: Coconino, AZ
Expired 5:15 a.m. PDT, September 1, 2026
NWS Lake CharlesWarningAugust 31, 2026
Storm Surge Warning: Lower Jefferson, TX
Expired 6:15 a.m. CDT, September 1, 2026
NWS Lake CharlesWarningAugust 31, 2026
Storm Surge Warning: East Cameron, LA
Expired 6:15 a.m. CDT, September 1, 2026
NWS Lake CharlesWarningAugust 31, 2026
Storm Surge Warning: West Cameron, LA
Expired 6:15 a.m. CDT, September 1, 2026
NWS New OrleansWarningAugust 31, 2026
Special Marine Warning: Terrebonne Bay, Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm and Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from
Expired 11:00 p.m. CDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Garfield, UT
Expired 11:45 p.m. MDT, August 31, 2026
NWS Midland/OdessaWarningAugust 31, 2026
Flash Flood Warning: Jeff Davis and Reeves, TX
Expired 10:45 p.m. CDT, August 31, 2026
NWS Baltimore MD/WashingtonWarningAugust 31, 2026
Special Marine Warning: Tangier Sound and the inland waters surrounding Bloodsworth Island
Expired 8:00 p.m. EDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Garfield, UT
Expired 8:45 p.m. MDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Washington County, UT
Expired 9:30 p.m. MDT, August 31, 2026
NWS PhoenixWarningAugust 31, 2026
Severe Thunderstorm Warning: Maricopa and Yuma, AZ
Expired 6:45 p.m. PDT, August 31, 2026
NWS Baltimore MD/WashingtonWarningAugust 31, 2026
Special Marine Warning: Chesapeake Bay from Drum Point MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island
Expired 7:00 p.m. EDT, August 31, 2026
NWS Tampa Bay RuskinWarningAugust 31, 2026
Special Marine Warning: Tampa Bay waters and Coastal waters from Englewood to Tarpon Springs FL out 20 NM
Expired 6:30 p.m. EDT, August 31, 2026
NWS Las VegasWarningAugust 31, 2026
Flash Flood Warning: Mohave, AZ
Expired 8:30 p.m. PDT, August 31, 2026
NWS AlbuquerqueWarningAugust 31, 2026
Flash Flood Warning: Bernalillo and Torrance, NM
Expired 8:15 p.m. MDT, August 31, 2026
NWS PhoenixWarningAugust 31, 2026
Severe Thunderstorm Warning: La Paz, AZ
Expired 5:45 p.m. PDT, August 31, 2026
NWS PuebloWarningAugust 31, 2026
Flash Flood Warning: Las Animas and Otero, CO
Expired 8:00 p.m. MDT, August 31, 2026
NWS Lake CharlesWarningAugust 31, 2026
Tropical Storm Warning: Lower Vermilion, LA
Expired 1:00 a.m. CDT, September 1, 2026
NWS PhoenixWarningAugust 31, 2026
Flash Flood Warning: La Paz, AZ
Expired 8:15 p.m. PDT, August 31, 2026
NWS PhoenixWarningAugust 31, 2026
Severe Thunderstorm Warning: La Paz, AZ
Expired 5:00 p.m. PDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Kane and Washington County, UT
Expired 7:00 p.m. MDT, August 31, 2026
NWS PhoenixWarningAugust 31, 2026
Severe Thunderstorm Warning: La Paz, AZ
Expired 4:45 p.m. PDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Piute, UT
Expired 6:15 p.m. MDT, August 31, 2026
NWS PhoenixWarningAugust 31, 2026
Flash Flood Warning: La Paz, AZ
Expired 6:45 p.m. PDT, August 31, 2026
NWS FlagstaffWarningAugust 31, 2026
Flash Flood Warning: Yavapai, AZ
Expired 5:30 p.m. PDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Washington County, UT
Expired 5:15 p.m. MDT, August 31, 2026
NWS PhoenixWarningAugust 31, 2026
Severe Thunderstorm Warning: La Paz, AZ
Expired 2:45 p.m. PDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Piute, UT
Expired 4:45 p.m. MDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Garfield, UT
Expired 4:45 p.m. MDT, August 31, 2026
NWS PocatelloWarningAugust 31, 2026
Red Flag Warning: Sawtooth Range/Northern Sawtooth NF, ID
Expired 9:00 p.m. MDT, September 1, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Kane and Washington County, UT
Expired 4:00 p.m. MDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Garfield, UT
Expired 3:15 p.m. MDT, August 31, 2026
NWS AnchorageWarningAugust 31, 2026
Special Marine Warning: Cape Suckling to Cape Cleare from 15 to 75 NM
Expired 12:45 p.m. HST, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Severe Thunderstorm Warning: Washington County, UT
Expired 12:45 p.m. MDT, August 31, 2026
NWS RenoWarningAugust 31, 2026
Red Flag Warning: Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties, CA and NV
Expired 11:00 p.m. PDT, September 1, 2026
NWS RenoWarningAugust 31, 2026
Red Flag Warning: Surprise Valley California, Eastern Lassen County and Northern Washoe County, CA and NV
Expired 11:00 p.m. PDT, September 1, 2026
NWS TucsonWarningAugust 31, 2026
Flash Flood Warning: Pima, AZ
Expired 2:15 p.m. PDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Kane and Washington County, UT
Expired 2:15 p.m. MDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Garfield and Kane, UT
Expired 5:00 p.m. MDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Emery and Wayne, UT
Expired 2:45 p.m. MDT, August 31, 2026
NWS Lake CharlesWarningAugust 31, 2026
Tropical Storm Warning: Sabine Lake, Calcasieu Lake, Coastal waters from Cameron LA to High Island TX out 20 NM and 5 more
Expired 6:45 p.m. CDT, August 31, 2026
NWS Houston/GalvestonWarningAugust 31, 2026
Tropical Storm Warning: 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 6:45 p.m. CDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Garfield and Wayne, UT
Expired 1:15 p.m. MDT, August 31, 2026
NWS Lake CharlesWarningAugust 31, 2026
Coastal Flood Warning: West Cameron and Lower Jefferson, LA and TX
Expired 7:00 p.m. CDT, September 1, 2026
NWS Houston/GalvestonWarningAugust 31, 2026
Tropical Storm Warning: Chambers, TX
Expired 6:15 p.m. CDT, August 31, 2026
NWS Houston/GalvestonWarningAugust 31, 2026
Tropical Storm Warning: Bolivar Peninsula, TX
Expired 6:15 p.m. CDT, August 31, 2026
NWS Lake CharlesWarningAugust 31, 2026
Tropical Storm Warning: Lower Jefferson, TX
Expired 6:15 p.m. CDT, August 31, 2026
NWS Lake CharlesWarningAugust 31, 2026
Tropical Storm Warning: East Cameron, LA
Expired 6:15 p.m. CDT, August 31, 2026
NWS Lake CharlesWarningAugust 31, 2026
Tropical Storm Warning: West Cameron, LA
Expired 6:15 p.m. CDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Garfield, UT
Expired 12:45 p.m. MDT, August 31, 2026
NWS FlagstaffWarningAugust 31, 2026
Severe Thunderstorm Warning: Yavapai, AZ
Expired 9:45 a.m. PDT, August 31, 2026
NWS Las VegasWarningAugust 31, 2026
Severe Thunderstorm Warning: Mohave, AZ
Expired 9:45 a.m. PDT, August 31, 2026
NWS Salt Lake CityWarningAugust 31, 2026
Flash Flood Warning: Kane, UT
Expired 9:30 a.m. MDT, August 31, 2026
NWS FlagstaffWarningAugust 31, 2026
Flash Flood Warning: Coconino, AZ
Expired 2:15 p.m. PDT, August 31, 2026
NWS TucsonWarningAugust 31, 2026
Flash Flood Warning: Pima, AZ
Expired 7:00 a.m. PDT, August 31, 2026
NWS TucsonWarningAugust 31, 2026
Severe Thunderstorm Warning: Pima, AZ
Expired 4:00 a.m. PDT, August 31, 2026
NWS TucsonWarningAugust 31, 2026
Severe Thunderstorm Warning: Cochise and Graham, AZ
Expired 2:45 a.m. PDT, August 31, 2026
NWS Mount HollyWarningAugust 30, 2026
Special Marine Warning: Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 NM
Expired 1:00 a.m. EDT, August 31, 2026
NWS Grand ForksWarningAugust 30, 2026
Severe Thunderstorm Warning: Grand Forks and Steele, ND
Expired 12:00 a.m. CDT, August 31, 2026
Source: National Weather Service alerts (api.weather.gov).