United StatesSeptember 2026
National Weather Service warnings and watches: September 2026
AreaZine recorded 2,824 warnings and watches from NWS in September 2026. Nationally the NWS issued 3,688 warnings in September 2026, 76% above the average of 2,094 for September in 2008-2025, and 6,031 warnings, watches and advisories in all (IEM VTEC archive).
Which warnings did the NWS issue most in September 2026?
| Product | September 2026 | An average September, 2008-2025 |
|---|---|---|
| Severe Thunderstorm Warning | 2,242 | 970 |
| Flood Advisory | 1,371 | 992 |
| Flash Flood Warning | 876 | 426 |
| Flood Warning | 333 | 390 |
| Heat Advisory | 209 | 31 |
| Flood Watch | 167 | 45 |
| Tornado Warning | 120 | 151 |
| Dense Fog Advisory | 114 | 97 |
| Coastal Flood Advisory | 89 | 62 |
| Wind Advisory | 56 | 59 |
Source: Iowa Environmental Mesonet archive of NWS watches, warnings and advisories (VTEC). A U.S. Government work, in the public domain.
Every notice, September 2026
NWS TallahasseeWarningSeptember 11, 2026
Special Marine Warning: Apalachee Bay or Coastal Waters From Keaton Beach to Ochlockonee River Fl out to 20 Nm, Coastal Waters from Mexico Beach to Apalachicola out 20 NM, Coastal Waters From Ochlocko
Expired 3:30 p.m. EDT, September 11, 2026
NWS FlagstaffWarningSeptember 11, 2026
Severe Thunderstorm Warning: Navajo, AZ
Expired 2:00 p.m. PDT, September 11, 2026
NWS MiamiWarningSeptember 11, 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 1:15 p.m. EDT, September 11, 2026
NWS BoiseWarningSeptember 11, 2026
Red Flag Warning: Owyhee Mountains and Southern Highlands, ID
Expired 9:00 p.m. MDT, September 12, 2026
NWS FlagstaffWarningSeptember 11, 2026
Flash Flood Warning: Navajo, AZ
Expired 3:45 p.m. PDT, September 11, 2026
NWS ElkoWarningSeptember 11, 2026
Red Flag Warning: Southeastern Humboldt County and northern Lander County, White Pine and Northeast Nye Counties, Northern Nye County - Mojave and 5 more, NV
Expired 11:00 p.m. PDT, September 12, 2026
NWS TallahasseeWarningSeptember 11, 2026
Special Marine Warning: Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM, Coastal Waters from Mexico Beach to Apalachicola out 20 NM, Waters from Okaloosa-Walton County Line t
Expired 1:30 p.m. CDT, September 11, 2026
NWS AberdeenWarningSeptember 11, 2026
Red Flag Warning: Stanley, Hughes, Hyde and 1 more, SD
Expired 7:00 p.m. CDT, September 11, 2026
NWS Las VegasWarningSeptember 11, 2026
Red Flag Warning: Esmeralda and Nye County Deserts/CNC Dispatch, Nye County Deserts/Las Vegas Dispatch, Sheep Range and 2 more, NV
Expired 12:00 a.m. PDT, September 13, 2026
NWS TallahasseeWarningSeptember 11, 2026
Special Marine Warning: Apalachee Bay or Coastal Waters From Keaton Beach to Ochlockonee River Fl out to 20 Nm and Coastal waters from Suwannee River to Keaton Beach out 20 NM
Expired 12:30 p.m. EDT, September 11, 2026
NWS RenoWarningSeptember 11, 2026
Red Flag Warning: Surprise Valley California, Eastern Lassen County and Northern Washoe County, CA and NV
Expired 2:00 a.m. PDT, September 13, 2026
NWS RenoWarningSeptember 11, 2026
Red Flag Warning: Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties and Southern Sierra Front - Alpine/Northern Mono/Southern Lyon/Western Mi
Expired 2:00 a.m. PDT, September 13, 2026
NWS RenoWarningSeptember 11, 2026
Red Flag Warning: Southern Mono County, West Humboldt Basin - Pershing County and Lahontan Basin - Churchill and Eastern Mineral Counties, CA and NV
Expired 2:00 a.m. PDT, September 13, 2026
NWS TallahasseeWarningSeptember 11, 2026
Special Marine Warning: Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM, Coastal Waters from Mexico Beach to Apalachicola out 20 NM and Waters from Okaloosa-Walton County Lin
Expired 12:15 p.m. CDT, September 11, 2026
NWS EurekaWarningSeptember 11, 2026
Red Flag Warning: Northern Lake Including Gravelly Valley, Eastern Lake Including Clearlake and Middletown, Southern Lake Including Cobb and Konocti and 1 more, CA
Expired 2:00 a.m. PDT, September 13, 2026
NWS SacramentoWarningSeptember 11, 2026
Red Flag Warning: Glenn and Colusa County Coast Range Above 3000 ft and Western Glenn and Colusa County Foothills Between 1000-3000 ft, CA
Expired 11:00 a.m. PDT, September 14, 2026
NWS SacramentoWarningSeptember 11, 2026
Red Flag Warning: South-Central Shasta County Including Redding Metro, Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft, Northern Sacramento Valley in Tehama County and 6 more, CA
Expired 11:00 a.m. PDT, September 14, 2026
NWS MobileWarningSeptember 11, 2026
Special Marine Warning: Pensacola Bay Area including Santa Rosa Sound, Coastal waters from Pensacola FL to Pascagoula MS out 20 NM, Coastal waters from Okaloosa-Walton County Line to Pensacola FL out
Expired 11:00 a.m. CDT, September 11, 2026
NWS MobileWarningSeptember 11, 2026
Special Marine Warning: Pensacola Bay Area including Santa Rosa Sound
Expired 10:15 a.m. CDT, September 11, 2026
NWS TallahasseeWarningSeptember 11, 2026
Special Marine Warning: St. Andrews Bay Waterways, Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM and Waters from Okaloosa-Walton County Line to Mexico Beach from 20 to 60 N
Expired 10:15 a.m. CDT, September 11, 2026
NWS MobileWarningSeptember 11, 2026
Special Marine Warning: Pensacola Bay Area including Santa Rosa Sound and Coastal waters from Okaloosa-Walton County Line to Pensacola FL out 20 NM
Expired 8:45 a.m. CDT, September 11, 2026
NWS MobileWarningSeptember 11, 2026
Special Marine Warning: Coastal waters from Okaloosa-Walton County Line to Pensacola FL out 20 NM and Waters from Okaloosa-Walton County Line to Pensacola FL from 20 to 60 NM
Expired 8:45 a.m. CDT, September 11, 2026
NWS TallahasseeWarningSeptember 11, 2026
Special Marine Warning: St. Andrews Bay Waterways and Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM
Expired 8:15 a.m. CDT, September 11, 2026
NWS MobileWarningSeptember 11, 2026
Special Marine Warning: Pensacola Bay Area including Santa Rosa Sound, Coastal waters from Pensacola FL to Pascagoula MS out 20 NM, Coastal waters from Okaloosa-Walton County Line to Pensacola FL out
Expired 8:15 a.m. CDT, September 11, 2026
NWS Rapid CityWarningSeptember 11, 2026
Red Flag Warning: Southern Black Hills, Fall River County Area, Custer County Plains and 4 more, SD and WY
Expired 7:00 p.m. MDT, September 11, 2026
NWS MobileWarningSeptember 11, 2026
Special Marine Warning: Pensacola Bay Area including Santa Rosa Sound, Western Choctawhatchee Bay, Coastal waters from Okaloosa-Walton County Line to Pensacola FL out 20 NM and 1 more
Expired 6:45 a.m. CDT, September 11, 2026
NWS MobileWarningSeptember 11, 2026
Special Marine Warning: Pensacola Bay Area including Santa Rosa Sound, Western Choctawhatchee Bay, Coastal waters from Okaloosa-Walton County Line to Pensacola FL out 20 NM and 1 more
Expired 5:15 a.m. CDT, September 11, 2026
NWS CharlestonWarningSeptember 11, 2026
Flood Warning: Calhoun, Gilmer and Ritchie, WV
Expired 6:00 a.m. EDT, September 11, 2026
NWS MobileWarningSeptember 11, 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 3:30 a.m. CDT, September 11, 2026
NWS San JuanWarningSeptember 11, 2026
Extreme Heat Warning: San Juan and Vicinity, Northeast, Southeast and 8 more, PR
Expired 5:00 p.m. EDT, September 11, 2026
NWS LouisvilleWarningSeptember 11, 2026
Flash Flood Warning: Green, Hart and Taylor, KY
Expired 4:45 a.m. CDT, September 11, 2026
NWS Little RockWarningSeptember 11, 2026
Flash Flood Warning: Independence, Jackson, Lawrence and 2 more, AR
Expired 4:45 a.m. CDT, September 11, 2026
NWS AberdeenWarningSeptember 11, 2026
Red Flag Warning: Jones, Lyman and Buffalo, SD
Expired 7:00 p.m. CDT, September 11, 2026
NWS CharlestonWarningSeptember 11, 2026
Flash Flood Warning: Braxton, Gilmer, Lewis and 1 more, WV
Expired 4:30 a.m. EDT, September 11, 2026
NWS CheyenneWarningSeptember 11, 2026
Red Flag Warning: Southern Laramie Range, Laramie Foothills and High Plains, Laramie East High Plains and 1 more, WY
Expired 7:00 p.m. MDT, September 11, 2026
NWS CharlestonWarningSeptember 10, 2026
Flood Warning: Gallia, Jackson, Meigs and 1 more, OH
Expired 5:00 a.m. EDT, September 11, 2026
NWS CharlestonWarningSeptember 10, 2026
Flood Warning: Gallia, Jackson, Meigs and 1 more, OH
Expired 5:00 a.m. EDT, September 11, 2026
NWS Little RockWarningSeptember 10, 2026
Flash Flood Warning: Randolph, AR
Expired 2:45 a.m. CDT, September 11, 2026
NWS PaducahWarningSeptember 10, 2026
Severe Thunderstorm Warning: New Madrid, MO
Expired 12:15 a.m. CDT, September 11, 2026
NWS CharlestonWarningSeptember 10, 2026
Flash Flood Warning: Calhoun, Gilmer, Ritchie and 2 more, WV
Expired 3:30 a.m. EDT, September 11, 2026
NWS WakefieldWarningSeptember 10, 2026
Flash Flood Warning: Accomack, VA
Expired 1:00 a.m. EDT, September 11, 2026
NWS CharlestonWarningSeptember 10, 2026
Flash Flood Warning: Jackson, Wirt and Wood, WV
Expired 1:45 a.m. EDT, September 11, 2026
NWS Key WestWarningSeptember 10, 2026
Special Marine Warning: Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out
Expired 10:45 p.m. EDT, September 10, 2026
NWS Key WestWarningSeptember 10, 2026
Special Marine Warning: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms
Expired 9:00 p.m. EDT, September 10, 2026
NWS LubbockWarningSeptember 10, 2026
Severe Thunderstorm Warning: Floyd and Hale, TX
Expired 9:15 p.m. CDT, September 10, 2026
NWS Key WestWarningSeptember 10, 2026
Special Marine Warning: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms
Expired 9:00 p.m. EDT, September 10, 2026
NWS PaducahWarningSeptember 10, 2026
Flash Flood Warning: Ripley, MO
Expired 2:15 a.m. CDT, September 11, 2026
NWS CharlestonWarningSeptember 10, 2026
Flash Flood Warning: Gallia, Jackson and Meigs, OH
Expired 12:15 a.m. EDT, September 11, 2026
NWS PocatelloWarningSeptember 10, 2026
Red Flag Warning: Upper Snake River Valley/Idaho Falls BLM, ID
Expired 9:00 p.m. MDT, September 11, 2026
NWS Key WestWarningSeptember 10, 2026
Special Marine Warning: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms
Expired 8:30 p.m. EDT, September 10, 2026
NWS LubbockWarningSeptember 10, 2026
Severe Thunderstorm Warning: Briscoe, Floyd, Hale and 1 more, TX
Expired 8:30 p.m. CDT, September 10, 2026
NWS Midland/OdessaWarningSeptember 10, 2026
Flash Flood Warning: Pecos, TX
Expired 10:00 p.m. CDT, September 10, 2026
NWS CharlestonWarningSeptember 10, 2026
Flash Flood Warning: Jackson, Meigs and Vinton, OH
Expired 12:15 a.m. EDT, September 11, 2026
NWS Key WestWarningSeptember 10, 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 7:45 p.m. EDT, September 10, 2026
NWS LubbockWarningSeptember 10, 2026
Severe Thunderstorm Warning: Briscoe and Swisher, TX
Expired 7:30 p.m. CDT, September 10, 2026
NWS AmarilloWarningSeptember 10, 2026
Flash Flood Warning: Randall, TX
Expired 9:15 p.m. CDT, September 10, 2026
NWS Tampa Bay RuskinWarningSeptember 10, 2026
Special Marine Warning: Charlotte Harbor and Pine Island Sound and Coastal waters from Bonita Beach to Englewood FL out 20 NM
Expired 4:45 p.m. EDT, September 10, 2026
NWS El Paso Tx/Santa TeresaWarningSeptember 10, 2026
Flash Flood Warning: Otero, NM
Expired 5:15 p.m. MDT, September 10, 2026
NWS Lake CharlesWarningSeptember 10, 2026
Flood Warning: Hardin and Jefferson, TX
Expired 7:00 a.m. CDT, September 11, 2026
NWS NormanWarningSeptember 10, 2026
Flash Flood Warning: Coal and Hughes, OK
Expired 4:00 p.m. CDT, September 10, 2026
Source: National Weather Service alerts (api.weather.gov).