Alerts

Extreme Heat Warning issued August 18 at 1:06AM MST until August 20 at 8:00PM MST by NWS Flagstaff AZ

Published: 18 August 2025
Categories: National Weather Service

RSS feed source: US National Weather Service

* WHAT…Dangerously hot conditions expected below 4000 feet, with daytime temperatures ranging from 102 degrees at Havasupai Gardens, to 112 degrees at Phantom Ranch. * WHERE…Lower elevations of the Grand Canyon. * WHEN…For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM MST Wednesday. For the Extreme Heat Watch, from Wednesday evening through Friday evening. * IMPACTS…Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.

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Extreme Heat Watch issued August 18 at 1:06AM PDT until August 23 at 11:00PM PDT by NWS Las Vegas NV

Published: 18 August 2025
Categories: National Weather Service

RSS feed source: US National Weather Service

* WHAT…Dangerously hot conditions with high temperatures around 105 in Kingman, Golden Valley, and Dolan Springs; around 110 in Las Vegas, Pahrump, Barstow-Daggett, the Morongo Basin and Twentynine Palms, and 115 in Laughlin, Bullhead City, Needles, and Lake Havasu City, and around 120 at Furnace Creek in Death Valley National Park. Minimal overnight relief from the heat is expected as low temperatures remain very warm. * WHERE…Portions of northwest Arizona, southeast California, and south central and southern Nevada. * WHEN…From Wednesday morning through Saturday evening. * IMPACTS…Heat related illnesses increase significantly during extreme heat events. Above normal daytime temperatures combined with minimal overnight relief from the heat will increase potential heat

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Extreme Heat Watch issued August 18 at 1:06AM MST until August 22 at 8:00PM MST by NWS Flagstaff AZ

Published: 18 August 2025
Categories: National Weather Service

RSS feed source: US National Weather Service

* WHAT…Dangerously hot conditions expected below 4000 feet, with daytime temperatures ranging from 102 degrees at Havasupai Gardens, to 112 degrees at Phantom Ranch. * WHERE…Lower elevations of the Grand Canyon. * WHEN…For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM MST Wednesday. For the Extreme Heat Watch, from Wednesday evening through Friday evening. * IMPACTS…Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.

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Sangay Volcano Volcanic Ash Advisory: VA EMS ONGOING

Published: 18 August 2025
Categories: Global Volcano Activity

RSS feed source: US National Weather Service

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