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 Des MoinesWarningSeptember 8, 2026
Severe Thunderstorm Warning: Jasper, Lucas, Mahaska and 5 more, IA
Expired 7:45 p.m. CDT, September 8, 2026
NWS Des MoinesWarningSeptember 8, 2026
Flash Flood Warning: Dallas and Polk, IA
Expired 12:30 a.m. CDT, September 9, 2026
NWS Des MoinesWarningSeptember 8, 2026
Severe Thunderstorm Warning: Boone, Jasper, Marshall and 2 more, IA
Expired 6:30 p.m. CDT, September 8, 2026
NWS JacksonWarningSeptember 8, 2026
Severe Thunderstorm Warning: Copiah, MS
Expired 5:30 p.m. CDT, September 8, 2026
NWS NashvilleWarningSeptember 8, 2026
Flash Flood Warning: Wayne, TN
Expired 5:00 p.m. CDT, September 8, 2026
NWS HuntsvilleWarningSeptember 8, 2026
Flash Flood Warning: Lauderdale, AL
Expired 4:45 p.m. CDT, September 8, 2026
NWS FairbanksWarningSeptember 8, 2026
High Wind Warning: Shishmaref, Bering Strait Coast and St Lawrence Island, AK
Expired 4:00 p.m. AKDT, September 11, 2026
NWS TulsaWarningSeptember 8, 2026
Extreme Heat Warning: North and Central Sebastian, Southern Crawford, Central and Southern Franklin and 10 more, AR and OK
Expired 7:00 p.m. CDT, September 9, 2026
NWS RivertonWarningSeptember 8, 2026
Freeze Warning: Jackson Hole, Star Valley, Upper Green River Basin Foothills and 2 more, WY
Expired 9:00 a.m. MDT, September 9, 2026
NWS FairbanksWarningSeptember 8, 2026
High Wind Warning: Western Arctic Coast, AK
Expired 4:00 p.m. AKDT, September 11, 2026
NWS Los Angeles/OxnardWarningSeptember 8, 2026
Extreme Heat Warning: Catalina and Santa Barbara Islands, CA
Expired 8:00 p.m. PDT, September 10, 2026
NWS Los Angeles/OxnardWarningSeptember 8, 2026
Extreme Heat Warning: Cuyama Valley, Santa Clarita Valley, San Luis Obispo County Beaches and 20 more, CA
Expired 8:00 p.m. PDT, September 10, 2026
NWS Los Angeles/OxnardWarningSeptember 8, 2026
Extreme Heat Warning: Malibu Coast, Los Angeles County Beaches, Palos Verdes Hills and 7 more, CA
Expired 8:00 p.m. PDT, September 10, 2026
NWS AberdeenWarningSeptember 8, 2026
Red Flag Warning: Corson, Campbell, Walworth and 3 more, SD
Expired 7:00 p.m. CDT, September 8, 2026
NWS Houston/GalvestonWarningSeptember 8, 2026
Special Marine Warning: Coastal waters from High Island to Freeport TX out 20 NM
Expired 8:00 a.m. CDT, September 8, 2026
NWS CheyenneWarningSeptember 8, 2026
Red Flag Warning: Southwest Carbon County and Southern Laramie Valley, WY
Expired 8:00 p.m. MDT, September 8, 2026
NWS CheyenneWarningSeptember 8, 2026
Red Flag Warning: Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland, Middle North Platte River Basin/Niobrara and Converse High Plains, North Laramie Range and Adjacent High Plain
Expired 8:00 p.m. MDT, September 8, 2026
NWS MiamiWarningSeptember 8, 2026
Special Marine Warning: Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM and Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM
Expired 5:00 a.m. EDT, September 8, 2026
NWS RivertonWarningSeptember 8, 2026
Red Flag Warning: Cody Foothills, Upper Wind River Basin/Wind River Basin, South Bighorn Mountains and 1 more, WY
Expired 7:00 p.m. MDT, September 8, 2026
NWS RivertonWarningSeptember 8, 2026
Red Flag Warning: Natrona County/Casper BLM, Granite/Green/Ferris/Rattlesnake Mountains and Casper Mountain, WY
Expired 9:00 p.m. MDT, September 10, 2026
NWS Las VegasWarningSeptember 8, 2026
Extreme Heat Warning: Lake Havasu and Fort Mohave, Lake Mead - AZ side, Lake Mohave - AZ side and 9 more, AZ and CA
Expired 8:00 p.m. PDT, September 10, 2026
NWS TulsaWarningSeptember 7, 2026
Extreme Heat Warning: North and Central Sebastian, Southern Crawford, Central and Southern Franklin and 10 more, AR and OK
Expired 8:00 p.m. CDT, September 8, 2026
NWS HonoluluWarningSeptember 7, 2026
Special Marine Warning: Big Island Leeward Waters and Big Island Southeast Waters
Expired 12:00 a.m. HST, September 8, 2026
NWS Sioux FallsWarningSeptember 7, 2026
Severe Thunderstorm Warning: Bon Homme, Charles Mix, Douglas and 1 more, SD
Expired 11:00 p.m. CDT, September 7, 2026
NWS Sioux FallsWarningSeptember 7, 2026
Severe Thunderstorm Warning: Bon Homme and Yankton, SD
Expired 10:00 p.m. CDT, September 7, 2026
NWS TallahasseeWarningSeptember 7, 2026
Special Marine Warning: Coastal Waters from Mexico Beach to Apalachicola out 20 NM and Coastal Waters From Ochlockonee River to Apalachicola FL out to 20 Nm
Expired 10:15 p.m. EDT, September 7, 2026
NWS Sioux FallsWarningSeptember 7, 2026
Tornado Warning: Bon Homme and Charles Mix, SD
Expired 9:00 p.m. CDT, September 7, 2026
NWS Sioux FallsWarningSeptember 7, 2026
Severe Thunderstorm Warning: Bon Homme and Charles Mix, SD
Expired 9:00 p.m. CDT, September 7, 2026
NWS North PlatteWarningSeptember 7, 2026
Flash Flood Warning: Boyd, NE
Expired 11:15 p.m. CDT, September 7, 2026
NWS El Paso Tx/Santa TeresaWarningSeptember 7, 2026
Flash Flood Warning: Grant, NM
Expired 10:30 p.m. MDT, September 7, 2026
NWS Sioux FallsWarningSeptember 7, 2026
Flash Flood Warning: Charles Mix, SD
Expired 11:00 p.m. CDT, September 7, 2026
NWS HonoluluWarningSeptember 7, 2026
Flash Flood Warning: Kauai, HI
Expired 10:30 p.m. HST, September 7, 2026
NWS Sioux FallsWarningSeptember 7, 2026
Tornado Warning: Charles Mix and Gregory, SD
Expired 8:15 p.m. CDT, September 7, 2026
NWS North PlatteWarningSeptember 7, 2026
Tornado Warning: Boyd, NE
Expired 8:15 p.m. CDT, September 7, 2026
NWS El Paso Tx/Santa TeresaWarningSeptember 7, 2026
Flash Flood Warning: Grant, NM
Expired 10:00 p.m. MDT, September 7, 2026
NWS ShreveportWarningSeptember 7, 2026
Severe Thunderstorm Warning: Bienville, Bossier and Red River, LA
Expired 8:00 p.m. CDT, September 7, 2026
NWS BismarckWarningSeptember 7, 2026
Severe Thunderstorm Warning: McHenry, McLean, Pierce and 2 more, ND
Expired 8:00 p.m. CDT, September 7, 2026
NWS TulsaWarningSeptember 7, 2026
Severe Thunderstorm Warning: Sebastian, AR
Expired 7:00 p.m. CDT, September 7, 2026
NWS MobileWarningSeptember 7, 2026
Severe Thunderstorm Warning: George and Greene, MS
Expired 7:15 p.m. CDT, September 7, 2026
NWS GlasgowWarningSeptember 7, 2026
High Wind Warning: Southwest Phillips, MT
Expired 9:00 a.m. MDT, September 8, 2026
NWS MobileWarningSeptember 7, 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 7:45 p.m. CDT, September 7, 2026
NWS Grand ForksWarningSeptember 7, 2026
Flash Flood Warning: Kittson, MN
Expired 11:00 p.m. CDT, September 7, 2026
NWS MelbourneWarningSeptember 7, 2026
Flash Flood Warning: Orange, FL
Expired 7:30 p.m. EDT, September 7, 2026
NWS MobileWarningSeptember 7, 2026
Special Marine Warning: Pensacola Bay Area including Santa Rosa Sound
Expired 7:00 p.m. CDT, September 7, 2026
NWS TallahasseeWarningSeptember 7, 2026
Special Marine Warning: Coastal waters from Suwannee River to Keaton Beach out 20 NM
Expired 7:15 p.m. EDT, September 7, 2026
NWS TallahasseeWarningSeptember 7, 2026
Special Marine Warning: St. Andrews Bay Waterways and Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM
Expired 7:00 p.m. CDT, September 7, 2026
NWS MiamiWarningSeptember 7, 2026
Special Marine Warning: Biscayne Bay, Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM and Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters
Expired 6:00 p.m. EDT, September 7, 2026
NWS MobileWarningSeptember 7, 2026
Special Marine Warning: Pensacola Bay Area including Santa Rosa Sound, Western Choctawhatchee Bay and Coastal waters from Okaloosa-Walton County Line to Pensacola FL out 20 NM
Expired 6:30 p.m. CDT, September 7, 2026
NWS El Paso Tx/Santa TeresaWarningSeptember 7, 2026
Flash Flood Warning: Grant, NM
Expired 7:15 p.m. MDT, September 7, 2026
NWS MiamiWarningSeptember 7, 2026
Special Marine Warning: Biscayne Bay, Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM and Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters
Expired 5:45 p.m. EDT, September 7, 2026
NWS MiamiWarningSeptember 7, 2026
Special Marine Warning: Biscayne Bay and Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM
Expired 5:45 p.m. EDT, September 7, 2026
NWS MiamiWarningSeptember 7, 2026
Special Marine Warning: Biscayne Bay and Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM
Expired 5:00 p.m. EDT, September 7, 2026
NWS New OrleansWarningSeptember 7, 2026
Severe Thunderstorm Warning: Pointe Coupee, West Feliciana and Wilkinson, LA and MS
Expired 5:00 p.m. CDT, September 7, 2026
NWS MiamiWarningSeptember 7, 2026
Special Marine Warning: Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM
Expired 4:45 p.m. EDT, September 7, 2026
NWS MobileWarningSeptember 7, 2026
Special Marine Warning: Western Choctawhatchee Bay and Eastern Choctawhatchee Bay
Expired 4:45 p.m. CDT, September 7, 2026
NWS CharlestonWarningSeptember 7, 2026
Special Marine Warning: Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary
Expired 6:00 p.m. EDT, September 7, 2026
NWS New OrleansWarningSeptember 7, 2026
Severe Thunderstorm Warning: East Feliciana, St. Helena, West Feliciana and 2 more, LA and MS
Expired 4:15 p.m. CDT, September 7, 2026
NWS MiamiWarningSeptember 7, 2026
Special Marine Warning: Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM
Expired 3:45 p.m. EDT, September 7, 2026
NWS MelbourneWarningSeptember 7, 2026
Special Marine Warning: Sebastian Inlet to Jupiter Inlet 0-20 nm
Expired 4:00 p.m. EDT, September 7, 2026
NWS MiamiWarningSeptember 7, 2026
Severe Thunderstorm Warning: Palm Beach, FL
Expired 3:00 p.m. EDT, September 7, 2026
Source: National Weather Service alerts (api.weather.gov).