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 St LouisWarningSeptember 20, 2026
Flood Warning: Adams and Lewis, IL and MO
Expired 3:00 a.m. CDT, September 27, 2026
NWS St LouisWarningSeptember 20, 2026
Flood Warning: Pike and Ralls, IL and MO
Expired 9:00 p.m. CDT, September 27, 2026
NWS St LouisWarningSeptember 20, 2026
Flood Warning: Calhoun and Pike, IL and MO
Expired 12:00 a.m. CDT, September 22, 2026
NWS St LouisWarningSeptember 20, 2026
Flood Warning: Adams and Lewis, IL and MO
Expired 12:00 p.m. CDT, September 27, 2026
NWS Northern IndianaWarningSeptember 20, 2026
Flood Warning: La Porte, St. Joseph and Starke, IN
Expired 5:00 p.m. EDT, September 24, 2026
NWS PittsburghWarningSeptember 20, 2026
Flash Flood Warning: Washington County, PA
Expired 1:30 p.m. EDT, September 20, 2026
NWS JuneauWarningSeptember 20, 2026
Special Marine Warning: Glacier Bay
Expired 11:00 a.m. AKDT, September 20, 2026
NWS ChicagoWarningSeptember 20, 2026
Flood Warning: Lee, IL
Expired 7:15 p.m. CDT, September 20, 2026
NWS Quad Cities IAWarningSeptember 20, 2026
Flood Warning: Benton and Iowa County, IA
Expired 2:00 a.m. CDT, September 22, 2026
NWS CharlestonWarningSeptember 20, 2026
Flood Warning: Boone, Cabell, Clay and 5 more, WV
Expired 2:30 p.m. EDT, September 20, 2026
NWS Quad Cities IAWarningSeptember 20, 2026
Flood Warning: Louisa and Muscatine, IA
Expired 12:00 a.m. CDT, September 25, 2026
NWS Quad Cities IAWarningSeptember 20, 2026
Flood Warning: Keokuk, IA
Expired 1:00 a.m. CDT, September 23, 2026
NWS TallahasseeWarningSeptember 20, 2026
Special Marine Warning: Waters from Suwannee River to Apalachicola FL from 20 to 60 NM
Expired 11:15 a.m. EDT, September 20, 2026
NWS Milwaukee/SullivanWarningSeptember 20, 2026
Flood Warning: Racine, WI
Expired 3:00 a.m. CDT, September 22, 2026
NWS Milwaukee/SullivanWarningSeptember 20, 2026
Flood Warning: Lake and Kenosha, IL and WI
Expired 3:00 p.m. CDT, September 23, 2026
NWS Quad Cities IAWarningSeptember 20, 2026
Flood Warning: Henry and Rock Island, IL
Expired 6:00 a.m. CDT, September 25, 2026
NWS Quad Cities IAWarningSeptember 20, 2026
Flood Warning: Henry, Rock Island and Whiteside, IL
Expired 2:00 a.m. CDT, September 24, 2026
NWS CharlestonWarningSeptember 20, 2026
Flood Warning: Clay, Fayette, Nicholas and 3 more, WV
Expired 2:30 p.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flood Warning: Braxton, Calhoun, Clay and 6 more, WV
Expired 2:30 p.m. EDT, September 20, 2026
NWS ChicagoWarningSeptember 20, 2026
Flood Warning: Lake, IL
Expired 3:15 a.m. CDT, September 21, 2026
NWS CharlestonWarningSeptember 20, 2026
Flood Warning: Boyd, Greenup, Gallia and 8 more, KY and OH
Expired 2:00 p.m. EDT, September 20, 2026
NWS WilmingtonWarningSeptember 20, 2026
Flood Warning: Fairfield, Hocking, Pickaway and 1 more, OH
Expired 1:30 p.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flood Warning: Calhoun, Doddridge, Gilmer and 5 more, WV
Expired 2:00 p.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flood Warning: Gallia, Jackson, Lawrence and 5 more, OH and WV
Expired 1:00 p.m. EDT, September 20, 2026
NWS TallahasseeWarningSeptember 20, 2026
Special Marine Warning: Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM and Waters from Suwannee River to Apalachicola FL from 20 to 60 NM
Expired 9:45 a.m. EDT, September 20, 2026
NWS Quad Cities IAWarningSeptember 20, 2026
Flood Warning: Benton, Cedar, Iowa County and 3 more, IA
Expired 1:45 p.m. CDT, September 20, 2026
NWS WilmingtonWarningSeptember 20, 2026
Flood Warning: Clermont and Hamilton, OH
Expired 5:00 p.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flash Flood Warning: Boone, Cabell, Clay and 4 more, WV
Expired 10:15 a.m. EDT, September 20, 2026
NWS La CrosseWarningSeptember 20, 2026
Flood Warning: Fillmore, MN
Expired 12:00 a.m. CDT, September 21, 2026
NWS WilmingtonWarningSeptember 20, 2026
Flood Warning: Clermont and Hamilton, OH
Expired 9:30 a.m. EDT, September 20, 2026
NWS Tampa Bay RuskinWarningSeptember 20, 2026
Flood Warning: DeSoto, FL
Expired 10:00 p.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flood Warning: Athens, Gallia, Meigs and 4 more, OH and WV
Expired 12:15 p.m. EDT, September 20, 2026
NWS Quad Cities IAWarningSeptember 20, 2026
Flood Warning: Johnson, Louisa and Washington County, IA
Expired 6:00 p.m. CDT, September 22, 2026
NWS CharlestonWarningSeptember 20, 2026
Flash Flood Warning: Clay, Nicholas, Pocahontas and 2 more, WV
Expired 9:45 a.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flash Flood Warning: Boyd, Greenup, Gallia and 8 more, KY and OH
Expired 9:30 a.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flood Warning: Athens and Vinton, OH
Expired 11:00 a.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flood Warning: Jackson, Meigs and Vinton, OH
Expired 1:00 p.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flood Warning: Athens, Meigs and Vinton, OH
Expired 1:00 p.m. EDT, September 20, 2026
NWS WilmingtonWarningSeptember 20, 2026
Flood Warning: Clermont, Clinton, Hamilton and 1 more, OH
Expired 9:45 a.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flash Flood Warning: Braxton, Calhoun, Clay and 5 more, WV
Expired 8:45 a.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flash Flood Warning: Gallia, Jackson, Lawrence and 4 more, OH and WV
Expired 8:45 a.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flash Flood Warning: Calhoun, Doddridge, Gilmer and 5 more, WV
Expired 7:45 a.m. EDT, September 20, 2026
NWS WilmingtonWarningSeptember 20, 2026
Flash Flood Warning: Clermont, OH
Expired 6:45 a.m. EDT, September 20, 2026
NWS WilmingtonWarningSeptember 20, 2026
Flood Warning: Hocking, OH
Expired 7:00 a.m. EDT, September 21, 2026
NWS PittsburghWarningSeptember 20, 2026
Flash Flood Warning: Harrison, Jefferson, Washington County and 1 more, OH and PA
Expired 5:45 a.m. EDT, September 20, 2026
NWS El Paso Tx/Santa TeresaWarningSeptember 20, 2026
Flash Flood Warning: El Paso, TX
Expired 4:15 a.m. MDT, September 20, 2026
NWS ChicagoWarningSeptember 20, 2026
Flash Flood Warning: De Kalb, La Salle and Lee, IL
Expired 8:00 a.m. CDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flash Flood Warning: Jackson and Vinton, OH
Expired 7:15 a.m. EDT, September 20, 2026
NWS Quad Cities IAWarningSeptember 20, 2026
Flash Flood Warning: Benton, Cedar, Iowa County and 3 more, IA
Expired 8:00 a.m. CDT, September 20, 2026
NWS WilmingtonWarningSeptember 20, 2026
Flash Flood Warning: Clinton and Warren, OH
Expired 5:00 a.m. EDT, September 20, 2026
NWS WichitaWarningSeptember 20, 2026
Severe Thunderstorm Warning: Butler and Sedgwick, KS
Expired 1:45 a.m. CDT, September 20, 2026
NWS WichitaWarningSeptember 20, 2026
Severe Thunderstorm Warning: McPherson and Saline, KS
Expired 2:45 a.m. CDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flash Flood Warning: Athens, Meigs, Washington County and 3 more, OH and WV
Expired 7:45 a.m. EDT, September 20, 2026
NWS Quad Cities IAWarningSeptember 20, 2026
Flash Flood Warning: Clinton, Muscatine, Scott and 5 more, IA and IL
Expired 7:30 a.m. CDT, September 20, 2026
NWS WilmingtonWarningSeptember 20, 2026
Severe Thunderstorm Warning: Adams, Highland, Pike and 1 more, OH
Expired 2:15 a.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flash Flood Warning: Athens, Meigs and Vinton, OH
Expired 5:15 a.m. EDT, September 20, 2026
NWS CharlestonWarningSeptember 20, 2026
Flash Flood Warning: Athens and Vinton, OH
Expired 3:30 a.m. EDT, September 20, 2026
NWS Quad Cities IAWarningSeptember 20, 2026
Flash Flood Warning: Cedar, Iowa County, Johnson and 4 more, IA
Expired 6:15 a.m. CDT, September 20, 2026
NWS WilmingtonWarningSeptember 19, 2026
Flash Flood Warning: Hocking, Pickaway and Ross, OH
Expired 3:00 a.m. EDT, September 20, 2026
NWS NormanWarningSeptember 19, 2026
Severe Thunderstorm Warning: Woodward, OK
Expired 11:00 p.m. CDT, September 19, 2026
Source: National Weather Service alerts (api.weather.gov).