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 Salt Lake CityWarningAugust 30, 2026
Flash Flood Warning: Kane, UT
Expired 8:00 p.m. MDT, August 30, 2026
NWS Rapid CityWarningAugust 30, 2026
Severe Thunderstorm Warning: Harding, SD
Expired 3:45 p.m. MDT, August 30, 2026
NWS Salt Lake CityWarningAugust 30, 2026
Flash Flood Warning: Garfield and Kane, UT
Expired 7:45 p.m. MDT, August 30, 2026
NWS Salt Lake CityWarningAugust 30, 2026
Flash Flood Warning: Kane, UT
Expired 9:30 p.m. MDT, August 30, 2026
NWS Tampa Bay RuskinWarningAugust 30, 2026
Special Marine Warning: Charlotte Harbor and Pine Island Sound and Coastal waters from Bonita Beach to Englewood FL out 20 NM
Expired 3:45 p.m. EDT, August 30, 2026
NWS Salt Lake CityWarningAugust 30, 2026
Flash Flood Warning: Kane, UT
Expired 7:15 p.m. MDT, August 30, 2026
NWS Salt Lake CityWarningAugust 30, 2026
Flash Flood Warning: Emery and Wayne, UT
Expired 5:15 p.m. MDT, August 30, 2026
NWS Salt Lake CityWarningAugust 30, 2026
Flash Flood Warning: Garfield, Kane and San Juan, UT
Expired 8:00 p.m. MDT, August 30, 2026
NWS DenverWarningAugust 30, 2026
Severe Thunderstorm Warning: Southwest Boulder, Southeast Boulder, Gilpin and 1 more, CO
Expired 2:30 p.m. MDT, August 30, 2026
NWS BillingsWarningAugust 30, 2026
Severe Thunderstorm Warning: Powder River, MT
Expired 2:15 p.m. MDT, August 30, 2026
NWS San JuanWarningAugust 30, 2026
Special Marine Warning: Caribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix and Coastal Waters of Southern Puerto Rico out 10 NM
Expired 2:30 p.m. EDT, August 30, 2026
NWS Salt Lake CityWarningAugust 30, 2026
Flash Flood Warning: Kane, UT
Expired 4:15 p.m. MDT, August 30, 2026
NWS MedfordWarningAugust 30, 2026
Red Flag Warning: Western Klamath National Forest, Central Siskiyou County Including Shasta Valley, Siskiyou County from the Cascade Mountains East and South to Mt Shasta and 2 more, CA and OR
Expired 8:00 p.m. PDT, August 31, 2026
NWS GlasgowWarningAugust 30, 2026
Severe Thunderstorm Warning: Dawson, Garfield, McCone and 1 more, MT
Expired 1:45 p.m. MDT, August 30, 2026
NWS San JuanWarningAugust 30, 2026
Special Marine Warning: Caribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix and Coastal Waters of Southern Puerto Rico out 10 NM
Expired 1:30 p.m. EDT, August 30, 2026
NWS FlagstaffWarningAugust 30, 2026
Flash Flood Warning: Coconino, AZ
Expired 2:00 p.m. PDT, August 30, 2026
NWS FlagstaffWarningAugust 30, 2026
Flash Flood Warning: Coconino, AZ
Expired 2:45 p.m. PDT, August 30, 2026
NWS MiamiWarningAugust 30, 2026
Special Marine Warning: Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM and Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM
Expired 10:15 a.m. EDT, August 30, 2026
NWS CharlestonWarningAugust 30, 2026
Special Marine Warning: Coastal waters from Edisto Beach SC to Savannah GA out 20 NM and Waters from Edisto Beach SC to Savannah GA extending from 20 to 60 NM
Expired 11:00 a.m. EDT, August 30, 2026
NWS MobileWarningAugust 30, 2026
Special Marine Warning: Coastal waters from Pensacola FL to Pascagoula MS out 20 NM and Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM
Expired 9:15 a.m. CDT, August 30, 2026
NWS Salt Lake CityWarningAugust 30, 2026
Severe Thunderstorm Warning: Utah County and Wasatch, UT
Expired 8:15 a.m. MDT, August 30, 2026
NWS Omaha/ValleyWarningAugust 30, 2026
Severe Thunderstorm Warning: Butler, Colfax, Dodge and 1 more, NE
Expired 5:30 a.m. CDT, August 30, 2026
NWS Omaha/ValleyWarningAugust 30, 2026
Severe Thunderstorm Warning: Butler, Colfax and Platte, NE
Expired 5:00 a.m. CDT, August 30, 2026
NWS AberdeenWarningAugust 30, 2026
Severe Thunderstorm Warning: Brown and Spink, SD
Expired 3:30 a.m. CDT, August 30, 2026
NWS HastingsWarningAugust 30, 2026
Severe Thunderstorm Warning: Greeley, Howard, Sherman and 1 more, NE
Expired 3:15 a.m. CDT, August 30, 2026
NWS HastingsWarningAugust 30, 2026
Severe Thunderstorm Warning: Buffalo, Greeley, Howard and 2 more, NE
Expired 2:30 a.m. CDT, August 30, 2026
NWS AberdeenWarningAugust 30, 2026
Severe Thunderstorm Warning: Dewey, Potter and Sully, SD
Expired 1:45 a.m. CDT, August 30, 2026
NWS AberdeenWarningAugust 29, 2026
Severe Thunderstorm Warning: Dewey, Potter and Sully, SD
Expired 12:45 a.m. CDT, August 30, 2026
NWS AberdeenWarningAugust 29, 2026
Severe Thunderstorm Warning: Potter and Sully, SD
Expired 11:45 p.m. CDT, August 29, 2026
NWS AberdeenWarningAugust 29, 2026
Severe Thunderstorm Warning: Dewey, SD
Expired 11:15 p.m. CDT, August 29, 2026
NWS AberdeenWarningAugust 29, 2026
Severe Thunderstorm Warning: Hand, SD
Expired 10:30 p.m. CDT, August 29, 2026
NWS PhoenixWarningAugust 29, 2026
Flash Flood Warning: Gila, AZ
Expired 11:45 p.m. PDT, August 29, 2026
NWS Salt Lake CityWarningAugust 29, 2026
Severe Thunderstorm Warning: Juab and Millard, UT
Expired 9:15 p.m. MDT, August 29, 2026
NWS PhoenixWarningAugust 29, 2026
Flash Flood Warning: Gila, AZ
Expired 11:30 p.m. PDT, August 29, 2026
NWS PhoenixWarningAugust 29, 2026
Severe Thunderstorm Warning: Gila, AZ
Expired 8:15 p.m. PDT, August 29, 2026
NWS AberdeenWarningAugust 29, 2026
Severe Thunderstorm Warning: Dewey, SD
Expired 8:30 p.m. CDT, August 29, 2026
NWS TucsonWarningAugust 29, 2026
Flash Flood Warning: Pinal, AZ
Expired 10:30 p.m. PDT, August 29, 2026
NWS PhoenixWarningAugust 29, 2026
Flash Flood Warning: Gila, AZ
Expired 10:30 p.m. PDT, August 29, 2026
NWS TucsonWarningAugust 29, 2026
Flash Flood Warning: Pima, AZ
Expired 10:30 p.m. PDT, August 29, 2026
NWS Key WestWarningAugust 29, 2026
Special Marine Warning: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms, Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms,
Expired 8:15 p.m. EDT, August 29, 2026
NWS TucsonWarningAugust 29, 2026
Flash Flood Warning: Pima, AZ
Expired 9:45 p.m. PDT, August 29, 2026
NWS TallahasseeWarningAugust 29, 2026
Special Marine Warning: Coastal waters from Suwannee River to Keaton Beach out 20 NM
Expired 7:45 p.m. EDT, August 29, 2026
NWS Key WestWarningAugust 29, 2026
Special Marine Warning: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms
Expired 7:45 p.m. EDT, August 29, 2026
NWS AberdeenWarningAugust 29, 2026
Severe Thunderstorm Warning: Edmunds, Potter and Walworth, SD
Expired 7:30 p.m. CDT, August 29, 2026
NWS AberdeenWarningAugust 29, 2026
Flood Warning: Edmunds and Walworth, SD
Expired 9:30 p.m. CDT, August 29, 2026
NWS TucsonWarningAugust 29, 2026
Flash Flood Warning: Pima, AZ
Expired 9:15 p.m. PDT, August 29, 2026
NWS Salt Lake CityWarningAugust 29, 2026
Flash Flood Warning: Kane and San Juan, UT
Expired 8:45 p.m. MDT, August 29, 2026
NWS TucsonWarningAugust 29, 2026
Flash Flood Warning: Graham and Pinal, AZ
Expired 10:45 p.m. PDT, August 29, 2026
NWS Great FallsWarningAugust 29, 2026
Severe Thunderstorm Warning: Blaine and Hill, MT
Expired 7:00 p.m. MDT, August 29, 2026
NWS TucsonWarningAugust 29, 2026
Flash Flood Warning: Pima, AZ
Expired 8:45 p.m. PDT, August 29, 2026
NWS FlagstaffWarningAugust 29, 2026
Flash Flood Warning: Coconino, AZ
Expired 8:30 p.m. PDT, August 29, 2026
NWS TucsonWarningAugust 29, 2026
Severe Thunderstorm Warning: Pima, AZ
Expired 6:15 p.m. PDT, August 29, 2026
NWS Tampa Bay RuskinWarningAugust 29, 2026
Special Marine Warning: Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM, Coastal waters from Englewood to Tarpon Springs FL out 20 NM and Waters from Tarpon Springs to Suwannee River
Expired 7:00 p.m. EDT, August 29, 2026
NWS FlagstaffWarningAugust 29, 2026
Flash Flood Warning: Coconino, AZ
Expired 12:15 a.m. PDT, August 30, 2026
NWS TucsonWarningAugust 29, 2026
Severe Thunderstorm Warning: Pima, AZ
Expired 6:15 p.m. PDT, August 29, 2026
NWS Salt Lake CityWarningAugust 29, 2026
Flash Flood Warning: Kane and San Juan, UT
Expired 10:15 p.m. MDT, August 29, 2026
NWS Salt Lake CityWarningAugust 29, 2026
Severe Thunderstorm Warning: Juab and Millard, UT
Expired 5:30 p.m. MDT, August 29, 2026
NWS Tampa Bay RuskinWarningAugust 29, 2026
Special Marine Warning: Tampa Bay waters and Coastal waters from Englewood to Tarpon Springs FL out 20 NM
Expired 6:15 p.m. EDT, August 29, 2026
NWS CheyenneWarningAugust 29, 2026
Severe Thunderstorm Warning: Banner, Morrill and Scotts Bluff, NE
Expired 5:15 p.m. MDT, August 29, 2026
NWS Rapid CityWarningAugust 29, 2026
Severe Thunderstorm Warning: Custer, Fall River and Oglala Lakota, SD
Expired 5:45 p.m. MDT, August 29, 2026
Source: National Weather Service alerts (api.weather.gov).