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 TucsonWarningAugust 30, 2026
Severe Thunderstorm Warning: Cochise, AZ
Expired 11:15 p.m. PDT, August 30, 2026
NWS TucsonWarningAugust 30, 2026
Flash Flood Warning: Cochise, AZ
Expired 1:15 a.m. PDT, August 31, 2026
NWS Mount HollyWarningAugust 30, 2026
Flash Flood Warning: Chester, PA
Expired 2:00 a.m. EDT, August 31, 2026
NWS PhoenixWarningAugust 30, 2026
Severe Thunderstorm Warning: Maricopa, AZ
Expired 10:45 p.m. PDT, August 30, 2026
NWS State CollegeWarningAugust 30, 2026
Flash Flood Warning: Lancaster, PA
Expired 1:00 a.m. EDT, August 31, 2026
NWS TucsonWarningAugust 30, 2026
Severe Thunderstorm Warning: Cochise and Pima, AZ
Expired 10:30 p.m. PDT, August 30, 2026
NWS PhoenixWarningAugust 30, 2026
Severe Thunderstorm Warning: Maricopa, AZ
Expired 10:15 p.m. PDT, August 30, 2026
NWS PhoenixWarningAugust 30, 2026
Flash Flood Warning: Maricopa, AZ
Expired 1:15 a.m. PDT, August 31, 2026
NWS PhoenixWarningAugust 30, 2026
Severe Thunderstorm Warning: Maricopa, AZ
Expired 9:45 p.m. PDT, August 30, 2026
NWS PhoenixWarningAugust 30, 2026
Flash Flood Warning: Pinal, AZ
Expired 12:45 a.m. PDT, August 31, 2026
NWS PhoenixWarningAugust 30, 2026
Flash Flood Warning: La Paz, AZ
Expired 12:45 a.m. PDT, August 31, 2026
NWS PhoenixWarningAugust 30, 2026
Flash Flood Warning: Maricopa, AZ
Expired 12:15 a.m. PDT, August 31, 2026
NWS PhoenixWarningAugust 30, 2026
Severe Thunderstorm Warning: La Paz and Maricopa, AZ
Expired 8:45 p.m. PDT, August 30, 2026
NWS AberdeenWarningAugust 30, 2026
Severe Thunderstorm Warning: Campbell, Corson, Dewey and 1 more, SD
Expired 8:45 p.m. CDT, August 30, 2026
NWS PhoenixWarningAugust 30, 2026
Severe Thunderstorm Warning: Maricopa and Pinal, AZ
Expired 8:45 p.m. PDT, August 30, 2026
NWS PhoenixWarningAugust 30, 2026
Severe Thunderstorm Warning: Maricopa, AZ
Expired 8:30 p.m. PDT, August 30, 2026
NWS BismarckWarningAugust 30, 2026
Severe Thunderstorm Warning: Burleigh, Emmons, Morton and 1 more, ND
Expired 8:30 p.m. CDT, August 30, 2026
NWS PhoenixWarningAugust 30, 2026
Flash Flood Warning: La Paz, AZ
Expired 11:30 p.m. PDT, August 30, 2026
NWS TiyanWarningAugust 30, 2026
Flash Flood Warning: Guam County, GU
Expired 10:30 p.m. UTC+10, August 30, 2026
NWS Baltimore MD/WashingtonWarningAugust 30, 2026
Special Marine Warning: Tidal Potomac from Key Bridge to Indian Head MD
Expired 9:00 p.m. EDT, August 30, 2026
NWS Las VegasWarningAugust 30, 2026
Flash Flood Warning: Mohave, AZ
Expired 10:15 p.m. PDT, August 30, 2026
NWS TucsonWarningAugust 30, 2026
Flash Flood Warning: Pima, AZ
Expired 10:15 p.m. PDT, August 30, 2026
NWS PhoenixWarningAugust 30, 2026
Severe Thunderstorm Warning: La Paz, AZ
Expired 7:30 p.m. PDT, August 30, 2026
NWS AberdeenWarningAugust 30, 2026
Severe Thunderstorm Warning: Corson, SD
Expired 8:00 p.m. CDT, August 30, 2026
NWS TucsonWarningAugust 30, 2026
Severe Thunderstorm Warning: Pima, AZ
Expired 7:30 p.m. PDT, August 30, 2026
NWS TucsonWarningAugust 30, 2026
Dust Storm Warning: Pima, AZ
Expired 7:15 p.m. PDT, August 30, 2026
NWS TucsonWarningAugust 30, 2026
Flash Flood Warning: Pima, AZ
Expired 9:15 p.m. PDT, August 30, 2026
NWS PuebloWarningAugust 30, 2026
Severe Thunderstorm Warning: Baca and Prowers, CO
Expired 6:30 p.m. MDT, August 30, 2026
NWS TucsonWarningAugust 30, 2026
Flash Flood Warning: Pima, AZ
Expired 9:00 p.m. PDT, August 30, 2026
NWS BismarckWarningAugust 30, 2026
Severe Thunderstorm Warning: Grant and Sioux, ND
Expired 7:00 p.m. CDT, August 30, 2026
NWS AberdeenWarningAugust 30, 2026
Severe Thunderstorm Warning: Corson, SD
Expired 7:00 p.m. CDT, August 30, 2026
NWS Grand JunctionWarningAugust 30, 2026
Flash Flood Warning: Mesa, CO
Expired 8:00 p.m. MDT, August 30, 2026
NWS BismarckWarningAugust 30, 2026
Severe Thunderstorm Warning: Grant, Morton and Stark, ND
Expired 7:00 p.m. CDT, August 30, 2026
NWS TallahasseeWarningAugust 30, 2026
Special Marine Warning: Coastal waters from Suwannee River to Keaton Beach out 20 NM
Expired 7:45 p.m. EDT, August 30, 2026
NWS TucsonWarningAugust 30, 2026
Severe Thunderstorm Warning: Pima, AZ
Expired 6:30 p.m. PDT, August 30, 2026
NWS BismarckWarningAugust 30, 2026
Severe Thunderstorm Warning: Bottineau, Renville and Ward, ND
Expired 6:45 p.m. CDT, August 30, 2026
NWS Grand JunctionWarningAugust 30, 2026
Flash Flood Warning: Dolores, CO
Expired 6:15 p.m. MDT, August 30, 2026
NWS TiyanWarningAugust 30, 2026
Flash Flood Warning: Guam County, GU
Expired 6:30 p.m. UTC+10, August 30, 2026
NWS Tampa Bay RuskinWarningAugust 30, 2026
Special Marine Warning: Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM and Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
Expired 7:00 p.m. EDT, August 30, 2026
NWS Grand JunctionWarningAugust 30, 2026
Flash Flood Warning: Grand, UT
Expired 6:45 p.m. MDT, August 30, 2026
NWS TucsonWarningAugust 30, 2026
Severe Thunderstorm Warning: Pima, AZ
Expired 5:45 p.m. PDT, August 30, 2026
NWS BismarckWarningAugust 30, 2026
Severe Thunderstorm Warning: Grant, Morton and Stark, ND
Expired 6:00 p.m. CDT, August 30, 2026
NWS Tampa Bay RuskinWarningAugust 30, 2026
Special Marine Warning: Tampa Bay waters, Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM and Coastal waters from Englewood to Tarpon Springs FL out 20 NM
Expired 6:00 p.m. EDT, August 30, 2026
NWS FlagstaffWarningAugust 30, 2026
Severe Thunderstorm Warning: Yavapai, AZ
Expired 5:30 p.m. PDT, August 30, 2026
NWS Salt Lake CityWarningAugust 30, 2026
Severe Thunderstorm Warning: Wayne, UT
Expired 5:30 p.m. MDT, August 30, 2026
NWS BismarckWarningAugust 30, 2026
Severe Thunderstorm Warning: Mountrail and Ward, ND
Expired 5:45 p.m. CDT, August 30, 2026
NWS BismarckWarningAugust 30, 2026
Severe Thunderstorm Warning: Adams and Bowman, ND
Expired 5:45 p.m. CDT, August 30, 2026
NWS BismarckWarningAugust 30, 2026
Severe Thunderstorm Warning: Burke, Renville and Ward, ND
Expired 5:45 p.m. CDT, August 30, 2026
NWS Rapid CityWarningAugust 30, 2026
Severe Thunderstorm Warning: Perkins, SD
Expired 5:45 p.m. MDT, August 30, 2026
NWS PhoenixWarningAugust 30, 2026
Flash Flood Warning: La Paz, AZ
Expired 8:30 p.m. PDT, August 30, 2026
NWS Tampa Bay RuskinWarningAugust 30, 2026
Special Marine Warning: Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
Expired 5:30 p.m. EDT, August 30, 2026
NWS PhoenixWarningAugust 30, 2026
Severe Thunderstorm Warning: La Paz, AZ
Expired 4:45 p.m. PDT, August 30, 2026
NWS PhoenixWarningAugust 30, 2026
Flash Flood Warning: La Paz, AZ
Expired 7:00 p.m. PDT, August 30, 2026
NWS TallahasseeWarningAugust 30, 2026
Special Marine Warning: St. Andrews Bay Waterways and Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM
Expired 4:45 p.m. CDT, August 30, 2026
NWS Tampa Bay RuskinWarningAugust 30, 2026
Special Marine Warning: Charlotte Harbor and Pine Island Sound
Expired 4:30 p.m. EDT, August 30, 2026
NWS Rapid CityWarningAugust 30, 2026
Severe Thunderstorm Warning: Harding and Perkins, SD
Expired 4:45 p.m. MDT, August 30, 2026
NWS Rapid CityWarningAugust 30, 2026
Severe Thunderstorm Warning: Butte and Harding, SD
Expired 4:30 p.m. MDT, August 30, 2026
NWS Salt Lake CityWarningAugust 30, 2026
Flash Flood Warning: Wayne, UT
Expired 6:30 p.m. MDT, August 30, 2026
NWS FlagstaffWarningAugust 30, 2026
Flash Flood Warning: Coconino, AZ
Expired 10:15 p.m. PDT, August 30, 2026
NWS AlbuquerqueWarningAugust 30, 2026
Flash Flood Warning: Socorro, NM
Expired 6:00 p.m. MDT, August 30, 2026
Source: National Weather Service alerts (api.weather.gov).