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 State CollegeWarningSeptember 2, 2026
Severe Thunderstorm Warning: Blair, Huntingdon, Juniata and 1 more, PA
Expired 11:00 a.m. EDT, September 2, 2026
NWS State CollegeWarningSeptember 2, 2026
Severe Thunderstorm Warning: Blair, Cambria, Centre and 1 more, PA
Expired 10:30 a.m. EDT, September 2, 2026
NWS BuffaloWarningSeptember 2, 2026
Special Marine Warning: Hamlin Beach to Sodus Bay NY, Sodus Bay to Mexico Bay NY, Mexico Bay NY to the St. Lawrence River and 3 more
Expired 10:30 a.m. EDT, September 2, 2026
NWS State CollegeWarningSeptember 2, 2026
Severe Thunderstorm Warning: Cameron, Centre, Clearfield and 2 more, PA
Expired 10:15 a.m. EDT, September 2, 2026
NWS Houston/GalvestonWarningSeptember 2, 2026
Flash Flood Warning: Liberty and Polk, TX
Expired 11:45 a.m. CDT, September 2, 2026
NWS RivertonWarningSeptember 2, 2026
Red Flag Warning: North Bighorn Basin/Worland BLM, Cody Foothills, Lincoln and Uinta Counties/Lower Elevations and 12 more, MT and WY
Expired 9:00 p.m. MDT, September 3, 2026
NWS BuffaloWarningSeptember 2, 2026
Severe Thunderstorm Warning: Cayuga, Oswego and Wayne, NY
Expired 10:15 a.m. EDT, September 2, 2026
NWS BinghamtonWarningSeptember 2, 2026
Severe Thunderstorm Warning: Schuyler, Seneca, Steuben and 1 more, NY
Expired 10:00 a.m. EDT, September 2, 2026
NWS BuffaloWarningSeptember 2, 2026
Severe Thunderstorm Warning: Erie, Genesee, Livingston and 3 more, NY
Expired 9:45 a.m. EDT, September 2, 2026
NWS State CollegeWarningSeptember 2, 2026
Tornado Warning: Elk and McKean, PA
Expired 9:15 a.m. EDT, September 2, 2026
NWS Lake CharlesWarningSeptember 2, 2026
Flash Flood Warning: Hardin, Jasper and Tyler, TX
Expired 12:30 p.m. CDT, September 2, 2026
NWS PittsburghWarningSeptember 2, 2026
Severe Thunderstorm Warning: Jefferson, PA
Expired 9:30 a.m. EDT, September 2, 2026
NWS BuffaloWarningSeptember 2, 2026
Severe Thunderstorm Warning: Erie, Genesee, Livingston and 5 more, NY
Expired 9:15 a.m. EDT, September 2, 2026
NWS ClevelandWarningSeptember 2, 2026
Flash Flood Warning: Erie, PA
Expired 12:00 p.m. EDT, September 2, 2026
NWS BuffaloWarningSeptember 2, 2026
Special Marine Warning: Niagara River to Hamlin Beach NY, Hamlin Beach to Sodus Bay NY, Sodus Bay to Mexico Bay NY and 3 more
Expired 9:30 a.m. EDT, September 2, 2026
NWS Lake CharlesWarningSeptember 2, 2026
Flood Warning: Hardin and Jefferson, TX
Expired 7:00 p.m. CDT, September 4, 2026
NWS Lake CharlesWarningSeptember 2, 2026
Flood Warning: Hardin, TX
Expired 3:00 a.m. CDT, September 4, 2026
NWS Lake CharlesWarningSeptember 2, 2026
Flood Warning: Hardin, Jasper, Jefferson and 1 more, TX
Expired 8:00 p.m. CDT, September 2, 2026
NWS PittsburghWarningSeptember 2, 2026
Severe Thunderstorm Warning: Clarion, Forest and Venango, PA
Expired 8:45 a.m. EDT, September 2, 2026
NWS ClevelandWarningSeptember 2, 2026
Special Marine Warning: Conneaut OH to Ripley NY, Geneva-on-the-Lake to Conneaut OH beyond 5 nm off shoreline to US-Canadian border and Conneaut OH to Ripley NY beyond 5 nm off shoreline to US-Canadia
Expired 9:45 a.m. EDT, September 2, 2026
NWS BuffaloWarningSeptember 2, 2026
Severe Thunderstorm Warning: Allegany, Cattaraugus, Erie and 2 more, NY
Expired 8:30 a.m. EDT, September 2, 2026
NWS ClevelandWarningSeptember 2, 2026
Severe Thunderstorm Warning: Crawford, PA
Expired 8:30 a.m. EDT, September 2, 2026
NWS Grand RapidsWarningSeptember 2, 2026
Special Marine Warning: Pentwater to Manistee MI and Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake
Expired 8:30 a.m. EDT, September 2, 2026
NWS Houston/GalvestonWarningSeptember 2, 2026
Flash Flood Warning: Liberty, TX
Expired 9:30 a.m. CDT, September 2, 2026
NWS BuffaloWarningSeptember 2, 2026
Special Marine Warning: Lower Niagara River, Niagara River to Hamlin Beach NY and Niagara River to Hamlin Beach NY beyond 5NM off shoreline to US-Canadian border
Expired 8:15 a.m. EDT, September 2, 2026
NWS Key WestWarningSeptember 2, 2026
Special Marine Warning: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms and Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fatho
Expired 7:15 a.m. EDT, September 2, 2026
NWS ClevelandWarningSeptember 2, 2026
Severe Thunderstorm Warning: Erie, PA
Expired 7:30 a.m. EDT, September 2, 2026
NWS BuffaloWarningSeptember 2, 2026
Special Marine Warning: Niagara River to Hamlin Beach NY and Niagara River to Hamlin Beach NY beyond 5NM off shoreline to US-Canadian border
Expired 8:00 a.m. EDT, September 2, 2026
NWS BuffaloWarningSeptember 2, 2026
Special Marine Warning: Ripley to Dunkirk NY, Dunkirk to Buffalo NY and Ripley to Buffalo NY extending from 5NM off shoreline to US-Canadian border
Expired 7:30 a.m. EDT, September 2, 2026
NWS Houston/GalvestonWarningSeptember 2, 2026
Flash Flood Warning: Polk and San Jacinto, TX
Expired 9:00 a.m. CDT, September 2, 2026
NWS Houston/GalvestonWarningSeptember 2, 2026
Flash Flood Warning: Liberty, Montgomery and San Jacinto, TX
Expired 8:45 a.m. CDT, September 2, 2026
NWS Lake CharlesWarningSeptember 2, 2026
Flash Flood Warning: Hardin and Tyler, TX
Expired 10:45 a.m. CDT, September 2, 2026
NWS ClevelandWarningSeptember 2, 2026
Special Marine Warning: Geneva-on-the-Lake to Conneaut OH, Conneaut OH to Ripley NY, Geneva-on-the-Lake to Conneaut OH beyond 5 nm off shoreline to US-Canadian border and 1 more
Expired 7:30 a.m. EDT, September 2, 2026
NWS Green BayWarningSeptember 2, 2026
Special Marine Warning: Sturgeon Bay to Two Rivers WI, Two Rivers to Sheboygan WI, Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake and 1 more
Expired 6:30 a.m. CDT, September 2, 2026
NWS Lake CharlesWarningSeptember 2, 2026
Flash Flood Warning: Hardin, Jefferson and Tyler, TX
Expired 8:45 a.m. CDT, September 2, 2026
NWS Houston/GalvestonWarningSeptember 2, 2026
Flash Flood Warning: Liberty, TX
Expired 6:45 a.m. CDT, September 2, 2026
NWS Houston/GalvestonWarningSeptember 2, 2026
Flash Flood Warning: Chambers and Liberty, TX
Expired 5:15 a.m. CDT, September 2, 2026
NWS Lake CharlesWarningSeptember 2, 2026
Flash Flood Warning: Hardin, Jefferson and Tyler, TX
Expired 5:00 a.m. CDT, September 2, 2026
NWS Quad Cities IAWarningSeptember 2, 2026
Extreme Heat Warning: Iowa, Johnson, Cedar and 21 more, IA and IL
Expired 7:00 p.m. CDT, September 4, 2026
NWS Houston/GalvestonWarningSeptember 2, 2026
Flash Flood Warning: Polk, TX
Expired 4:30 a.m. CDT, September 2, 2026
NWS Lake CharlesWarningSeptember 2, 2026
Flash Flood Warning: Hardin, Jasper, Jefferson and 1 more, TX
Expired 4:00 a.m. CDT, September 2, 2026
NWS Twin Cities/ChanhassenWarningSeptember 2, 2026
Severe Thunderstorm Warning: Steele, MN
Expired 1:00 a.m. CDT, September 2, 2026
NWS Twin Cities/ChanhassenWarningSeptember 1, 2026
Severe Thunderstorm Warning: Blue Earth, Brown, Faribault and 3 more, MN
Expired 12:15 a.m. CDT, September 2, 2026
NWS Twin Cities/ChanhassenWarningSeptember 1, 2026
Severe Thunderstorm Warning: Steele and Waseca, MN
Expired 12:15 a.m. CDT, September 2, 2026
NWS Mount HollyWarningSeptember 1, 2026
Special Marine Warning: Waters from Great Egg Inlet NJ to Cape May NJ from 20 to 60 NM and Waters from Cape May NJ to Fenwick Island DE from 20 to 60 NM
Expired 12:15 a.m. EDT, September 2, 2026
NWS Houston/GalvestonWarningSeptember 1, 2026
Flash Flood Warning: Polk, TX
Expired 2:15 a.m. CDT, September 2, 2026
NWS WakefieldWarningSeptember 1, 2026
Special Marine Warning: Coastal waters from Fenwick Island DE to Chincoteague VA out 20 NM and Waters from Fenwick Island DE to Chintoteague VA from 20 to 60 NM
Expired 12:00 a.m. EDT, September 2, 2026
NWS Twin Cities/ChanhassenWarningSeptember 1, 2026
Severe Thunderstorm Warning: Blue Earth and Faribault, MN
Expired 11:30 p.m. CDT, September 1, 2026
NWS Sioux FallsWarningSeptember 1, 2026
Severe Thunderstorm Warning: Bon Homme and Yankton, SD
Expired 11:15 p.m. CDT, September 1, 2026
NWS HastingsWarningSeptember 1, 2026
Severe Thunderstorm Warning: Greeley and Valley, NE
Expired 11:00 p.m. CDT, September 1, 2026
NWS Sioux FallsWarningSeptember 1, 2026
Severe Thunderstorm Warning: Dickinson, Lyon, O'Brien and 7 more, IA and MN
Expired 11:45 p.m. CDT, September 1, 2026
NWS Mount HollyWarningSeptember 1, 2026
Special Marine Warning: Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 NM, Coastal waters from Great Egg Inlet to Cape May NJ out 20 NM, Coastal waters from Cape May NJ to Cape Henl
Expired 11:30 p.m. EDT, September 1, 2026
NWS Mount HollyWarningSeptember 1, 2026
Severe Thunderstorm Warning: Kent, New Castle, Sussex and 3 more, DE and MD
Expired 10:45 p.m. EDT, September 1, 2026
NWS Mount HollyWarningSeptember 1, 2026
Severe Thunderstorm Warning: Atlantic, Burlington, Cape May and 1 more, NJ
Expired 10:30 p.m. EDT, September 1, 2026
NWS Baltimore MD/WashingtonWarningSeptember 1, 2026
Special Marine Warning: Chesapeake Bay north of Pooles Island MD and Chesapeake Bay from Pooles Island to Sandy Point MD
Expired 10:15 p.m. EDT, September 1, 2026
NWS Mount HollyWarningSeptember 1, 2026
Flash Flood Warning: Atlantic, Camden and Gloucester, NJ
Expired 1:30 a.m. EDT, September 2, 2026
NWS Mount HollyWarningSeptember 1, 2026
Special Marine Warning: Delaware Bay waters north of East Point NJ to Slaughter Beach DE, Delaware Bay waters south of East Point NJ to Slaughter Beach DE, Coastal waters from Great Egg Inlet to Cape
Expired 11:00 p.m. EDT, September 1, 2026
NWS Sioux FallsWarningSeptember 1, 2026
Severe Thunderstorm Warning: Lyon, Plymouth, Sioux and 3 more, IA and SD
Expired 10:15 p.m. CDT, September 1, 2026
NWS Mount HollyWarningSeptember 1, 2026
Flash Flood Warning: Hunterdon, Mercer, Middlesex and 1 more, NJ and PA
Expired 1:15 a.m. EDT, September 2, 2026
NWS Mount HollyWarningSeptember 1, 2026
Flash Flood Warning: New Castle, Gloucester, Salem and 2 more, DE and NJ
Expired 12:45 a.m. EDT, September 2, 2026
Source: National Weather Service alerts (api.weather.gov).