Severe

Significant threat to life or property

California, Nevada Severe Red Flag Warning | Effective 09/24/2026 10:28

The National Weather Service in Reno has issued a Red Flag Warning for gusty winds and low humidity, which is in effect from noon to 10 PM PDT Friday. The Fire Weather Watch is no longer in effect. * CHANGES...Fire Weather Watch upgraded to a Red Flag Warning. * Affected Area...Fire Weather Zone 420 Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties, Fire Weather Zone 421 Southern Sierra Front including Alpine, Northern

Nevada Severe Red Flag Warning | Effective 09/24/2026 10:28

The National Weather Service in Reno has issued a Red Flag Warning for gusty winds and low humidity, which is in effect from noon to 10 PM PDT Friday. The Fire Weather Watch is no longer in effect. * CHANGES...Fire Weather Watch upgraded to a Red Flag Warning. * Affected Area...Fire Weather Zone 423 West Humboldt Basin in Pershing County, Fire Weather Zone 429 Lahontan Basin including Churchill and Eastern Mineral Counties. * Winds...Southwest to west winds 15 to 25 mph with gusts up to 40

Arizona Severe Flash Flood Warning | Effective 09-24-2026 10:09

FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Maricopa County in south central Arizona... Pinal County in southeastern Arizona... * Until 115 PM MST. * At 1009 AM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 0.5 to 1.5 inches in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Alaska Severe High Wind Warning | Effective 09/24/2026 10:06

* WHAT...West winds 45 to 65 mph with gusts up to 75 mph expected. * WHERE...Shemya and Attu Islands. * WHEN...Until 10 AM AKDT this morning. * IMPACTS...High winds may move loose debris, damage property, and cause power outages. Travel will be difficult. * ADDITIONAL DETAILS...A strong low pressure system in the southern Bering will bring very strong westerly winds through late this morning. The strongest wind gusts up to 75 mph are likely across the western Aleutian Islands through early this morning. Winds to

Alaska Severe High Wind Warning | Effective 09/24/2026 10:06

* WHAT...Southeast winds 40 to 50 mph with gusts up to 70 mph expected. Localized wind gusts up to 75 mph near Cape Newenham. * WHERE...Kuskokwim Delta Coast and Nunivak Island and Western Capes. * WHEN...Until 1 AM AKDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. * ADDITIONAL DETAILS...A strong front moving inland from the eastern Bering will bring gusty southeasterly winds to the Kuskokwim Delta coast and the Western Capes through this morning. Winds are

Alaska Severe High Wind Warning | Effective 09/24/2026 10:06

* WHAT...West winds 45 to 65 mph with gusts up to 80 mph expected. * WHERE...Atka and Adak. * WHEN...Until 10 PM AKDT this evening. * IMPACTS...High winds may move loose debris, damage property, and cause power outages. Travel will be difficult. * ADDITIONAL DETAILS...Very strong westerly winds will initiate this morning due to a deep low pressure system in the southern Bering Sea. Favored East-West channels could promote locally higher gusts. Strongest winds are expected from about noon to 3pm AKDT. Winds to

Alaska Severe High Wind Warning | Effective 09/24/2026 10:06

* WHAT...Southeast winds 25 to 40 mph with gusts 45 to 60 mph. Localized gusts up to 75 mph for Akutan and 85 mph for Cold Bay. * WHERE...Aleutians East Borough. * WHEN...Until 11 AM AKDT this morning. * IMPACTS...High winds may move loose debris, damage property, and cause power outages. Travel will be difficult. * ADDITIONAL DETAILS...A strong front and low pressure system will move across the Alaska Peninsula this morning. Expect strong southerly wind gusts with the highest gusts around Cold Bay and

Arizona Severe Flash Flood Warning | Effective 09/24/2026 10:09

FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Maricopa County in south central Arizona... Pinal County in southeastern Arizona... * Until 115 PM MST. * At 1009 AM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 0.5 to 1.5 inches in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
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