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 CharlestonWarningSeptember 4, 2026
Severe Thunderstorm Warning: Washington County, Pleasants, Ritchie and 2 more, OH and WV
Expired 2:15 p.m. EDT, September 4, 2026
NWS SpringfieldWarningSeptember 4, 2026
Extreme Heat Warning: Bourbon, Crawford, Cherokee and 34 more, KS and MO
Expired 8:00 p.m. CDT, September 6, 2026
NWS PittsburghWarningSeptember 4, 2026
Severe Thunderstorm Warning: Marion, Monongalia, Preston and 1 more, WV
Expired 2:30 p.m. EDT, September 4, 2026
NWS El Paso Tx/Santa TeresaWarningSeptember 4, 2026
Flash Flood Warning: Sierra, NM
Expired 3:00 p.m. MDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 4, 2026
Severe Thunderstorm Warning: Garrett, MD
Expired 2:00 p.m. EDT, September 4, 2026
NWS CharlestonWarningSeptember 4, 2026
Severe Thunderstorm Warning: Athens, Jackson, Meigs and 1 more, OH
Expired 2:00 p.m. EDT, September 4, 2026
NWS CharlestonWarningSeptember 4, 2026
Severe Thunderstorm Warning: Washington County, OH
Expired 1:45 p.m. EDT, September 4, 2026
NWS Lake CharlesWarningSeptember 4, 2026
Flood Warning: Hardin and Jefferson, TX
Expired 7:00 a.m. CDT, September 7, 2026
NWS Lake CharlesWarningSeptember 4, 2026
Flood Warning: Hardin, Jasper, Jefferson and 1 more, TX
Expired 11:00 p.m. CDT, September 9, 2026
NWS Lake CharlesWarningSeptember 4, 2026
Flood Warning: Hardin, TX
Expired 11:36 a.m. CDT, September 6, 2026
NWS New OrleansWarningSeptember 4, 2026
Flash Flood Warning: Pearl River, MS
Expired 1:45 p.m. CDT, September 4, 2026
NWS Grand RapidsWarningSeptember 4, 2026
Special Marine Warning: South Haven to Holland MI, Holland to Grand Haven MI, Grand Haven to Whitehall MI and 5 more
Expired 11:45 a.m. EDT, September 4, 2026
NWS New OrleansWarningSeptember 4, 2026
Special Marine Warning: Mississippi Sound, Chandeleur Sound and Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM
Expired 10:15 a.m. CDT, September 4, 2026
NWS ClevelandWarningSeptember 4, 2026
Severe Thunderstorm Warning: Erie, Ottawa and Sandusky, OH
Expired 9:15 a.m. EDT, September 4, 2026
NWS Milwaukee/SullivanWarningSeptember 4, 2026
Special Marine Warning: Port Washington to North Point Light WI, North Point Light to Wind Point WI, Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake and 1 more
Expired 9:30 a.m. CDT, September 4, 2026
NWS Grand RapidsWarningSeptember 4, 2026
Severe Thunderstorm Warning: Eaton, MI
Expired 9:15 a.m. EDT, September 4, 2026
NWS MobileWarningSeptember 4, 2026
Special Marine Warning: Coastal waters from Pensacola FL to Pascagoula MS out 20 NM
Expired 8:45 a.m. CDT, September 4, 2026
NWS ClevelandWarningSeptember 4, 2026
Special Marine Warning: Maumee Bay to Reno Beach OH, Reno Beach to The Islands OH, Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5NM offshoreline to US-Canadian border and 1 more
Expired 9:00 a.m. EDT, September 4, 2026
NWS Grand RapidsWarningSeptember 4, 2026
Special Marine Warning: St Joseph to South Haven MI, South Haven to Holland MI, Holland to Grand Haven MI and 3 more
Expired 8:15 a.m. EDT, September 4, 2026
NWS New OrleansWarningSeptember 4, 2026
Flash Flood Warning: Jefferson and Orleans, LA
Expired 9:15 a.m. CDT, September 4, 2026
NWS Milwaukee/SullivanWarningSeptember 4, 2026
Flash Flood Warning: Sheboygan, WI
Expired 9:00 a.m. CDT, September 4, 2026
NWS Boston/NortonWarningSeptember 4, 2026
Special Marine Warning: Block Island Sound, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island and Ocean Waters from Montauk NY to Marthas Vineyard from 25
Expired 6:45 a.m. EDT, September 4, 2026
NWS Boston/NortonWarningSeptember 4, 2026
Special Marine Warning: Rhode Island Sound, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM Sou
Expired 6:45 a.m. EDT, September 4, 2026
NWS Boston/NortonWarningSeptember 4, 2026
Special Marine Warning: Rhode Island Sound, Block Island Sound and Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island
Expired 5:45 a.m. EDT, September 4, 2026
NWS Grand RapidsWarningSeptember 4, 2026
Special Marine Warning: Holland to Grand Haven MI, Grand Haven to Whitehall MI, Whitehall to Pentwater MI and 5 more
Expired 6:45 a.m. EDT, September 4, 2026
NWS Boston/NortonWarningSeptember 4, 2026
Special Marine Warning: Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island,
Expired 5:00 a.m. EDT, September 4, 2026
NWS Mount HollyWarningSeptember 4, 2026
Special Marine Warning: Waters from Manasquan Inlet NJ to Little Egg Inlet NJ from 20 to 60 NM, Waters from Little Egg Inlet NJ to Great Egg Inlet NJ from 20 to 60 NM and Waters from Great Egg Inlet N
Expired 4:45 a.m. EDT, September 4, 2026
NWS Boston/NortonWarningSeptember 4, 2026
Special Marine Warning: Block Island Sound, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island and Ocean Waters from Montauk NY to Marthas Vineyard from 25
Expired 4:45 a.m. EDT, September 4, 2026
NWS BismarckWarningSeptember 4, 2026
Red Flag Warning: Golden Valley, ND
Expired 9:00 p.m. CDT, September 4, 2026
NWS Milwaukee/SullivanWarningSeptember 4, 2026
Special Marine Warning: Sheboygan to Port Washington WI, Port Washington to North Point Light WI, Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake and 1 more
Expired 4:45 a.m. CDT, September 4, 2026
NWS WakefieldWarningSeptember 4, 2026
Special Marine Warning: Coastal waters from Fenwick Island DE to Chincoteague VA out 20 NM, Coastal waters from Chincoteague to Parramore Island VA out 20 NM, Coastal waters from Parramore Island to C
Expired 4:30 a.m. EDT, September 4, 2026
NWS Boston/NortonWarningSeptember 4, 2026
Special Marine Warning: Rhode Island Sound, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket and Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM
Expired 4:00 a.m. EDT, September 4, 2026
NWS WakefieldWarningSeptember 4, 2026
Special Marine Warning: Chesapeake Bay from Smith Point to Windmill Point VA, Chesapeake Bay from Windmill Point to New Point Comfort VA, Chesapeake Bay from New Point Comfort to Little Creek VA and 1
Expired 3:45 a.m. EDT, September 4, 2026
NWS PittsburghWarningSeptember 4, 2026
Flash Flood Warning: Jefferson, Allegheny, Washington County and 2 more, OH and PA
Expired 5:45 a.m. EDT, September 4, 2026
NWS Mount HollyWarningSeptember 4, 2026
Special Marine Warning: Coastal waters from Great Egg Inlet to Cape May NJ out 20 NM, Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM, Coastal waters from Cape Henlopen to Fenwick Island
Expired 3:30 a.m. EDT, September 4, 2026
NWS WakefieldWarningSeptember 4, 2026
Severe Thunderstorm Warning: Somerset and Accomack, MD and VA
Expired 2:45 a.m. EDT, September 4, 2026
NWS Milwaukee/SullivanWarningSeptember 4, 2026
Special Marine Warning: Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake and Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake
Expired 3:15 a.m. CDT, September 4, 2026
NWS WakefieldWarningSeptember 4, 2026
Special Marine Warning: Chesapeake Bay from Smith Point to Windmill Point VA, Chesapeake Bay from Windmill Point to New Point Comfort VA and Rappahannock River from Urbanna to Windmill Point
Expired 3:00 a.m. EDT, September 4, 2026
NWS WakefieldWarningSeptember 4, 2026
Special Marine Warning: Coastal waters from Fenwick Island DE to Chincoteague VA out 20 NM, Coastal waters from Chincoteague to Parramore Island VA out 20 NM, Coastal waters from Parramore Island to C
Expired 3:15 a.m. EDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 4, 2026
Special Marine Warning: Chesapeake Bay from Drum Point MD to Smith Point VA, Tidal Potomac from Indian Head to Cobb Island MD, Tidal Potomac from Cobb Island MD to Smith Point VA and 1 more
Expired 2:45 a.m. EDT, September 4, 2026
NWS LincolnWarningSeptember 4, 2026
Extreme Heat Warning: Schuyler, Cass, Menard and 12 more, IL
Expired 7:00 p.m. CDT, September 5, 2026
NWS LincolnWarningSeptember 4, 2026
Extreme Heat Warning: Knox, Stark, Peoria and 17 more, IL
Expired 7:00 p.m. CDT, September 4, 2026
NWS Mount HollyWarningSeptember 4, 2026
Special Marine Warning: Delaware Bay waters south of East Point NJ to Slaughter Beach DE, Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM, Coastal waters from Cape Henlopen to Fenwick Is
Expired 2:45 a.m. EDT, September 4, 2026
NWS Milwaukee/SullivanWarningSeptember 4, 2026
Special Marine Warning: Sheboygan to Port Washington WI and Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake
Expired 3:15 a.m. CDT, September 4, 2026
NWS Milwaukee/SullivanWarningSeptember 4, 2026
Severe Thunderstorm Warning: Fond du Lac and Sheboygan, WI
Expired 1:45 a.m. CDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 4, 2026
Special Marine Warning: Tidal Potomac from Indian Head to Cobb Island MD and Tidal Potomac from Cobb Island MD to Smith Point VA
Expired 2:00 a.m. EDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 4, 2026
Special Marine Warning: Choptank River to Cambridge MD and the Little Choptank River
Expired 1:30 a.m. EDT, September 4, 2026
NWS Milwaukee/SullivanWarningSeptember 4, 2026
Special Marine Warning: Sheboygan to Port Washington WI, Port Washington to North Point Light WI, North Point Light to Wind Point WI and 3 more
Expired 2:15 a.m. CDT, September 4, 2026
NWS WakefieldWarningSeptember 4, 2026
Special Marine Warning: Chesapeake Bay from Smith Point to Windmill Point VA, Chesapeake Bay from Windmill Point to New Point Comfort VA and Rappahannock River from Urbanna to Windmill Point
Expired 2:15 a.m. EDT, September 4, 2026
NWS GlasgowWarningSeptember 4, 2026
Red Flag Warning: Dawson/McCone/Prairie/Richland/Wibaux Counties, MT
Expired 9:00 p.m. MDT, September 4, 2026
NWS Mount HollyWarningSeptember 4, 2026
Severe Thunderstorm Warning: Caroline, Queen Anne's and Talbot, MD
Expired 1:00 a.m. EDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 4, 2026
Special Marine Warning: Chesapeake Bay from Drum Point MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island
Expired 1:45 a.m. EDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 4, 2026
Flash Flood Warning: District of Columbia County, Arlington, Fairfax and 2 more, DC and VA
Expired 3:00 a.m. EDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 4, 2026
Special Marine Warning: Chesapeake Bay from North Beach to Drum Point MD, Chesapeake Bay from Drum Point MD to Smith Point VA, Choptank River to Cambridge MD and the Little Choptank River and 2 more
Expired 1:30 a.m. EDT, September 4, 2026
NWS Mount HollyWarningSeptember 3, 2026
Severe Thunderstorm Warning: Caroline, Queen Anne's and Talbot, MD
Expired 1:00 a.m. EDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 3, 2026
Special Marine Warning: Chesapeake Bay from Pooles Island to Sandy Point MD, Chesapeake Bay from Sandy Point to North Beach MD, Chesapeake Bay from North Beach to Drum Point MD and 3 more
Expired 1:00 a.m. EDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 3, 2026
Special Marine Warning: Tidal Potomac from Cobb Island MD to Smith Point VA
Expired 1:00 a.m. EDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 3, 2026
Severe Thunderstorm Warning: Arlington, Fairfax, City of Alexandria and 2 more, VA
Expired 11:45 p.m. EDT, September 3, 2026
NWS Baltimore MD/WashingtonWarningSeptember 3, 2026
Severe Thunderstorm Warning: Montgomery, Fairfax and Loudoun, MD and VA
Expired 12:00 a.m. EDT, September 4, 2026
NWS Baltimore MD/WashingtonWarningSeptember 3, 2026
Severe Thunderstorm Warning: Fairfax, Loudoun, Prince William and 2 more, VA
Expired 11:45 p.m. EDT, September 3, 2026
Source: National Weather Service alerts (api.weather.gov).