Micron Document

SEVERE WEATHER Toggle Landscape Map
Last Data Refresh 2026-07-31 07:00UTC Next Fetch 2026-07-31 07:15UTC
Extreme Severe Moderate Minor

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Severe 19 Moderate 17 Minor 66 Unknown 25 total 127


alerts by state (worst first; * = on map)

Arkansas (4)

Extreme Heat Warning Southern Sebastian; Washington; Jul31 17:15Z
Heat Advisory Carroll; Washington; Madison; No Jul31 17:15Z
Heat Advisory Cross Jul31 18:00Z
Heat Advisory Sevier; Howard; Little River; He Aug01 01:00Z

Arizona (1)

Heat Advisory Northeast Plateaus and Mesas Hwy Jul31 19:00Z

California (4)

Beach Hazards Statement San Francisco; Coastal North Bay Aug01 03:00Z
Air Quality Alert Eastern San Fernando Valley; Eas Aug03 03:00Z
Air Quality Alert San Bernardino and Riverside Cou Aug03 03:00Z
Air Quality Alert Imperial Valley Aug01 03:00Z

Colorado (1)

Air Quality Alert Boulder, CO; Jefferson, CO; Adam Jul31 22:00Z

Florida (1)

Heat Advisory Metro Palm Beach County; Metro B Jul31 15:00Z

Idaho (16)

Fire Weather Watch Owyhee Mountains; Burns BLM; Ste Jul31 20:00Z
Fire Weather Watch Eastern Payette National Forest Jul31 20:00Z
Fire Weather Watch Upper Snake River Valley/Idaho F Jul31 12:00Z
Fire Weather Watch Palouse/Nezperce Reservation/Hel Jul31 18:15Z
Air Quality Alert Ada, ID; Adams, ID; Boise, ID; C Jul31 19:00Z
Air Quality Alert Latah, ID; Lewis, ID; Nez Perce, Jul31 19:00Z
Air Quality Alert Butte, ID; Custer, ID Jul31 21:00Z
Air Quality Alert Clearwater, ID; Idaho, ID Jul31 19:00Z
Air Quality Alert Ada, ID; Adams, ID; Boise, ID; C Jul31 19:00Z
Air Quality Alert Camas, ID; Gooding, ID; Jerome, Jul31 19:00Z
Air Quality Alert Ada, ID; Adams, ID; Boise, ID; C Jul31 19:00Z
Air Quality Alert Camas, ID; Gooding, ID; Jerome, Jul31 19:00Z
... +4 more in Idaho

Illinois (1)

Hydrologic Outlook Clay, IL; Richland, IL Jul31 17:00Z

Kansas (4)

Heat Advisory Bourbon; Crawford; Cherokee; Ver Aug01 01:00Z
Heat Advisory Neosho; Chautauqua; Montgomery; Jul31 15:00Z
* Severe Thunderstorm Warnin Doniphan, KS; Andrew, MO; Buchan Jul31 07:30Z
* Flood Advisory Marshall, KS; Washington, KS Jul31 09:15Z

Louisiana (2)

Heat Advisory Assumption; St. James; St. John Jul31 19:30Z
Heat Advisory Sevier; Howard; Little River; He Aug01 01:00Z

Minnesota (1)

* Flood Warning Big Stone, MN; Traverse, MN; Day Jul31 14:15Z

Missouri (2)

Heat Advisory Bourbon; Crawford; Cherokee; Ver Aug01 01:00Z
* Severe Thunderstorm Warnin Doniphan, KS; Andrew, MO; Buchan Jul31 07:30Z

Mississippi (1)

Heat Advisory Assumption; St. James; St. John Jul31 19:30Z

Montana (6)

Fire Weather Watch Fort Peck Reservation and Daniel Jul31 22:00Z
Fire Weather Watch Gallatin National Forest; Wheatl Jul31 17:15Z
Fire Weather Watch Deerlodge/Western Beaverhead Nat Jul31 18:15Z
Fire Weather Watch Kootenai National Forest/Talley Jul31 18:15Z
Extreme Heat Watch Central and Southeast Phillips; Jul31 22:15Z
Extreme Heat Watch Daniels; Sheridan; Western Roose Jul31 22:15Z

North Carolina (1)

Coastal Flood Advisory Inland New Hanover Jul31 19:00Z

Nevada (1)

Heat Advisory Western Nevada Basin and Range i Jul31 12:00Z

Oklahoma (2)

Extreme Heat Warning Southern Sebastian; Washington; Jul31 17:15Z
Heat Advisory Sevier; Howard; Little River; He Aug01 01:00Z

Oregon (7)

Fire Weather Watch Central Canyonlands; Northwester Jul31 20:00Z
Fire Weather Watch Owyhee Mountains; Burns BLM; Ste Jul31 20:00Z
Air Quality Alert Baker, OR; Malheur, OR Jul31 19:00Z
Air Quality Alert Hood River, OR Jul31 19:00Z
Air Quality Alert Crook, OR; Jefferson, OR; Union, Jul31 18:15Z
Air Quality Alert Baker, OR; Malheur, OR Jul31 19:00Z
Air Quality Alert Baker, OR; Malheur, OR Jul31 19:00Z

Puerto Rico (1)

Heat Advisory San Juan and Vicinity; Northeast Jul31 20:00Z

South Dakota (6)

* Flood Warning Big Stone, MN; Traverse, MN; Day Jul31 14:15Z
* Flash Flood Warning Kingsbury, SD Jul31 07:30Z
* Flood Warning Lyman, SD Jul31 15:00Z
* Flood Warning Day, SD Jul31 15:00Z
* Flood Warning Potter, SD Jul31 07:45Z
Local Area Emergency Day, SD Jul31 14:00Z

Texas (1)

Heat Advisory Sevier; Howard; Little River; He Aug01 01:00Z

Utah (2)

Extreme Heat Warning Tooele and Rush Valleys; Norther Jul31 12:00Z
Heat Advisory Western Uinta Basin Jul31 12:00Z

U.S. Virgin Islands (1)

Heat Advisory San Juan and Vicinity; Northeast Jul31 20:00Z

Washington (3)

Wind Advisory Kittitas Valley Jul31 15:15Z
Air Quality Alert Asotin, WA; Chelan, WA; Douglas, Jul31 19:00Z
Air Quality Alert Pend Oreille, WA Jul31 19:00Z

Wisconsin (1)

Beach Hazards Statement Sheboygan; Ozaukee; Milwaukee; R Jul31 14:15Z

Wyoming (1)

Heat Advisory Cody Foothills; North Bighorn Ba Aug01 00:15Z

Marine / non-US (66)

Gale Watch Waters from Pt. St. George to Ca Jul31 11:30Z
Gale Watch Guam Coastal Waters Jul31 09:00Z
Small Craft Advisory Coastal waters from Cape Blanco Jul31 10:45Z
Small Craft Advisory Sheboygan to Port Washington WI; Jul31 14:15Z
Small Craft Advisory Nikolski to Seguam Bering Side o Jul31 11:45Z
Small Craft Advisory Nikolski to Seguam Pacfic Side o Jul31 11:45Z
Small Craft Advisory Nikolski to Seguam Bering Side f Jul31 11:45Z
Small Craft Advisory Kiska to Attu Pacific Side Jul31 11:45Z
Small Craft Advisory Kiska to Attu Bering Side Jul31 11:45Z
Small Craft Advisory Unalga Pass to Nikolski Bering S Jul31 11:45Z
Small Craft Advisory Unalga Pass to Nikolski Pacific Jul31 11:45Z
Small Craft Advisory Nikolski to Seguam Pacific Side Jul31 11:45Z
... +54 more in Marine / non-US



Murphy's Law