United StatesAugust 2026
National Weather Service warnings and watches: August 2026
AreaZine recorded 4,574 warnings and watches from NWS in August 2026. Nationally the NWS issued 6,626 warnings in August 2026, 64% above the average of 4,040 for August in 2008-2025, and 9,563 warnings, watches and advisories in all (IEM VTEC archive).
Which warnings did the NWS issue most in August 2026?
| Product | August 2026 | An average August, 2008-2025 |
|---|---|---|
| Severe Thunderstorm Warning | 4,511 | 2,556 |
| Flood Advisory | 1,791 | 1,741 |
| Flash Flood Warning | 1,241 | 755 |
| Heat Advisory | 465 | 184 |
| Flood Warning | 404 | 351 |
| Tornado Warning | 226 | 195 |
| Flood Watch | 138 | 49 |
| Red Flag Warning | 109 | 106 |
| Severe Thunderstorm Watch | 100 | 52 |
| Dense Fog Advisory | 95 | 69 |
Source: Iowa Environmental Mesonet archive of NWS watches, warnings and advisories (VTEC). A U.S. Government work, in the public domain.
Every notice, August 2026
NWS RivertonWarningAugust 10, 2026
Red Flag Warning: Absaroka Mountains/North Shoshone NF, WY
Expired 9:00 p.m. MDT, August 10, 2026
NWS RivertonWarningAugust 10, 2026
Red Flag Warning: Upper Wind River Basin/Wind River Basin, Owl Creek Mountains and Granite/Green/Ferris/Rattlesnake Mountains, WY
Expired 9:00 p.m. MDT, August 10, 2026
NWS RivertonWarningAugust 10, 2026
Red Flag Warning: Natrona County/Casper BLM, Johnson County/Casper BLM, South Bighorn Mountains and 1 more, WY
Expired 9:00 p.m. MDT, August 10, 2026
NWS ChicagoWarningAugust 10, 2026
Flash Flood Warning: Ford, Iroquois and Kankakee, IL
Expired 4:45 a.m. CDT, August 10, 2026
NWS ChicagoWarningAugust 10, 2026
Severe Thunderstorm Warning: Ford, Iroquois, Livingston and 3 more, IL and IN
Expired 3:15 a.m. CDT, August 10, 2026
NWS ChicagoWarningAugust 10, 2026
Tornado Warning: Ford and Livingston, IL
Expired 2:00 a.m. CDT, August 10, 2026
NWS Grand RapidsWarningAugust 10, 2026
Special Marine Warning: St Joseph to South Haven MI, South Haven to Holland MI, Holland to Grand Haven MI and 3 more
Expired 3:30 a.m. EDT, August 10, 2026
NWS ChicagoWarningAugust 10, 2026
Severe Thunderstorm Warning: Ford and Iroquois, IL
Expired 2:15 a.m. CDT, August 10, 2026
NWS ChicagoWarningAugust 10, 2026
Flash Flood Warning: Ford, Kankakee and Livingston, IL
Expired 5:15 a.m. CDT, August 10, 2026
NWS Rapid CityWarningAugust 10, 2026
Red Flag Warning: Fall River County Area, Northern Campbell, Southern Campbell and 2 more, SD and WY
Expired 9:00 p.m. MDT, August 10, 2026
NWS CheyenneWarningAugust 10, 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 9:00 p.m. MDT, August 10, 2026
NWS PaducahWarningAugust 10, 2026
Extreme Heat Warning: Perry, IL
Expired 8:00 p.m. CDT, August 13, 2026
NWS ChicagoWarningAugust 10, 2026
Special Marine Warning: Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL, Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake and 1 more
Expired 2:45 a.m. CDT, August 10, 2026
NWS ChicagoWarningAugust 10, 2026
Tornado Warning: Ford, Kankakee and Livingston, IL
Expired 1:15 a.m. CDT, August 10, 2026
NWS ChicagoWarningAugust 10, 2026
Severe Thunderstorm Warning: Ford, Grundy, Iroquois and 2 more, IL
Expired 1:45 a.m. CDT, August 10, 2026
NWS Milwaukee/SullivanWarningAugust 10, 2026
Flash Flood Warning: Racine and Walworth, WI
Expired 3:30 a.m. CDT, August 10, 2026
NWS ChicagoWarningAugust 10, 2026
Flash Flood Warning: La Salle, IL
Expired 4:00 a.m. CDT, August 10, 2026
NWS ChicagoWarningAugust 9, 2026
Special Marine Warning: Wilmette Harbor to Northerly Island IL, Northerly Island to Calumet Harbor IL, Calumet Harbor IL to Gary IN and 3 more
Expired 1:30 a.m. CDT, August 10, 2026
NWS ChicagoWarningAugust 9, 2026
Flash Flood Warning: Grundy, La Salle and Livingston, IL
Expired 3:45 a.m. CDT, August 10, 2026
NWS PhoenixWarningAugust 9, 2026
Severe Thunderstorm Warning: La Paz and Maricopa, AZ
Expired 12:00 a.m. PDT, August 10, 2026
NWS TucsonWarningAugust 9, 2026
Flash Flood Warning: Santa Cruz, AZ
Expired 1:15 a.m. PDT, August 10, 2026
NWS ChicagoWarningAugust 9, 2026
Tornado Warning: La Salle, IL
Expired 12:00 a.m. CDT, August 10, 2026
NWS ChicagoWarningAugust 9, 2026
Severe Thunderstorm Warning: Grundy, La Salle and Livingston, IL
Expired 12:45 a.m. CDT, August 10, 2026
NWS PhoenixWarningAugust 9, 2026
Flash Flood Warning: Maricopa, AZ
Expired 2:15 a.m. PDT, August 10, 2026
NWS ChicagoWarningAugust 9, 2026
Special Marine Warning: Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL, Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake and 1 more
Expired 12:45 a.m. CDT, August 10, 2026
NWS PhoenixWarningAugust 9, 2026
Flash Flood Warning: Maricopa, AZ
Expired 2:00 a.m. PDT, August 10, 2026
NWS TucsonWarningAugust 9, 2026
Severe Thunderstorm Warning: Santa Cruz, AZ
Expired 11:30 p.m. PDT, August 9, 2026
NWS PhoenixWarningAugust 9, 2026
Severe Thunderstorm Warning: La Paz and Maricopa, AZ
Expired 11:15 p.m. PDT, August 9, 2026
NWS PhoenixWarningAugust 9, 2026
Severe Thunderstorm Warning: Maricopa, AZ
Expired 11:15 p.m. PDT, August 9, 2026
NWS Kansas City/Pleasant HillWarningAugust 9, 2026
Severe Thunderstorm Warning: Andrew, Atchison, Holt and 1 more, MO
Expired 11:15 p.m. CDT, August 9, 2026
NWS ChicagoWarningAugust 9, 2026
Flash Flood Warning: Lee, IL
Expired 1:15 a.m. CDT, August 10, 2026
NWS PhoenixWarningAugust 9, 2026
Flash Flood Warning: Maricopa, AZ
Expired 1:00 a.m. PDT, August 10, 2026
NWS HuntsvilleWarningAugust 9, 2026
Flood Warning: Madison, AL
Expired 12:45 a.m. CDT, August 10, 2026
NWS PhoenixWarningAugust 9, 2026
Severe Thunderstorm Warning: Maricopa, AZ
Expired 10:30 p.m. PDT, August 9, 2026
NWS ChicagoWarningAugust 9, 2026
Severe Thunderstorm Warning: Lee, IL
Expired 10:45 p.m. CDT, August 9, 2026
NWS PocatelloWarningAugust 9, 2026
Red Flag Warning: Upper Snake River Valley/Idaho Falls BLM and Middle Snake River Valley/Twin Falls BLM north of the Snake River, ID
Expired 9:00 p.m. MDT, August 10, 2026
NWS PocatelloWarningAugust 9, 2026
Red Flag Warning: East Salmon River Mountains/Salmon NF and Lemhi and Lost River Range/Challis NF, ID
Expired 9:00 p.m. MDT, August 10, 2026
NWS North PlatteWarningAugust 9, 2026
Severe Thunderstorm Warning: Chase and Perkins, NE
Expired 10:15 p.m. MDT, August 9, 2026
NWS PhoenixWarningAugust 9, 2026
Severe Thunderstorm Warning: Maricopa, AZ
Expired 10:15 p.m. PDT, August 9, 2026
NWS PhoenixWarningAugust 9, 2026
Flash Flood Warning: Maricopa, AZ
Expired 12:30 a.m. PDT, August 10, 2026
NWS PhoenixWarningAugust 9, 2026
Severe Thunderstorm Warning: Maricopa, AZ
Expired 10:15 p.m. PDT, August 9, 2026
NWS HuntsvilleWarningAugust 9, 2026
Flood Warning: Marshall and Morgan, AL
Expired 11:15 p.m. CDT, August 9, 2026
NWS RaleighWarningAugust 9, 2026
Flash Flood Warning: Guilford, NC
Expired 10:15 p.m. EDT, August 9, 2026
NWS PhoenixWarningAugust 9, 2026
Severe Thunderstorm Warning: Maricopa and Pinal, AZ
Expired 9:30 p.m. PDT, August 9, 2026
NWS PhoenixWarningAugust 9, 2026
Flash Flood Warning: Maricopa and Pinal, AZ
Expired 12:45 a.m. PDT, August 10, 2026
NWS ChicagoWarningAugust 9, 2026
Severe Thunderstorm Warning: Lee, IL
Expired 9:45 p.m. CDT, August 9, 2026
NWS PhoenixWarningAugust 9, 2026
Severe Thunderstorm Warning: Maricopa, AZ
Expired 9:15 p.m. PDT, August 9, 2026
NWS TucsonWarningAugust 9, 2026
Severe Thunderstorm Warning: Cochise, AZ
Expired 9:30 p.m. PDT, August 9, 2026
NWS Greenville-SpartanburgWarningAugust 9, 2026
Severe Thunderstorm Warning: Cabarrus and Rowan, NC
Expired 9:15 p.m. EDT, August 9, 2026
NWS ClevelandWarningAugust 9, 2026
Severe Thunderstorm Warning: Ottawa, Sandusky, Seneca and 1 more, OH
Expired 9:30 p.m. EDT, August 9, 2026
NWS ClevelandWarningAugust 9, 2026
Severe Thunderstorm Warning: Crawford, Seneca and Wyandot, OH
Expired 9:30 p.m. EDT, August 9, 2026
NWS Greenville-SpartanburgWarningAugust 9, 2026
Severe Thunderstorm Warning: Avery, Burke, Caldwell and 2 more, NC
Expired 9:00 p.m. EDT, August 9, 2026
NWS PhoenixWarningAugust 9, 2026
Dust Storm Warning: Maricopa and Pinal, AZ
Expired 9:00 p.m. PDT, August 9, 2026
NWS TucsonWarningAugust 9, 2026
Severe Thunderstorm Warning: Pima and Pinal, AZ
Expired 8:45 p.m. PDT, August 9, 2026
NWS Northern IndianaWarningAugust 9, 2026
Severe Thunderstorm Warning: Adams, Allen, Putnam and 1 more, IN and OH
Expired 8:45 p.m. EDT, August 9, 2026
NWS WilmingtonWarningAugust 9, 2026
Severe Thunderstorm Warning: Auglaize and Mercer, OH
Expired 8:15 p.m. EDT, August 9, 2026
NWS RaleighWarningAugust 9, 2026
Flash Flood Warning: Harnett, Hoke and Moore, NC
Expired 10:30 p.m. EDT, August 9, 2026
NWS Northern IndianaWarningAugust 9, 2026
Severe Thunderstorm Warning: Allen, Defiance, Henry and 3 more, OH
Expired 8:30 p.m. EDT, August 9, 2026
NWS MorristownWarningAugust 9, 2026
Flash Flood Warning: Carter, Sullivan, Washington County and 2 more, TN and VA
Expired 10:15 p.m. EDT, August 9, 2026
NWS Northern IndianaWarningAugust 9, 2026
Severe Thunderstorm Warning: Paulding and Van Wert, OH
Expired 7:45 p.m. EDT, August 9, 2026
Source: National Weather Service alerts (api.weather.gov).
Earlier notices kept from August 2026
14 earlier notices in AreaZine's record; the latest first below. Every one, oldest first: August 1, 2026 to August 31, 2026.
- Local Area Emergency Issued for Minden, Nebraska Kearney County, Nebraska NOAA
- Level 2 Set Alert Issued for Owyhee County Near Silver City Owyhee County, Idaho NOAA
- Level 3 Go Now Evacuation for Owyhee County Owyhee County, Idaho NOAA
- Level 3 Go Now Evacuation Order Issued for Triangle in Owyhee County Owyhee County, Idaho NOAA
- Level 3 Go Now Alert Issued for Owyhee County Owyhee County, Idaho NOAA
- Evacuation Immediate for Summit County, Utah Summit County, Utah NOAA
- Civil Emergency Message for Owyhee County Owyhee County, Idaho NOAA
- Level 3 Go Now Civil Emergency Message for Owyhee County Owyhee County, Idaho NOAA
- Level 2 Set Alert Issued for Owyhee County Owyhee County, Idaho NOAA
- Level 3 Go Now Civil Emergency Alert for Owyhee County Owyhee County, Idaho NOAA
- Endangered Missing Person Alert for Bingham County Bingham County, Idaho NOAA
- Evacuation Immediate for Jackson County Indian Creek Fire Jackson County NOAA
- Fire Warning Issued for Spokane, WA Spokane, WA NOAA
- Particularly Dangerous Situation Red Flag Warning for Spokane County, WA Spokane County, WA NOAA
Notices AreaZine published before its record of the live feed began. AreaZine no longer holds each agency's full record for them, so each line shows what AreaZine recorded and links the agency where it gave a link.