Parks, AZ Warnings, Watches and Advisories

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Excessive Heat Warning

Excessive Heat Warning issued July 20 at 8:02PM MST until July 21 at 8:00PM MST by NWS Phoenix AZ

* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to 115 with heat indices of 110 to 118. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...Portions of southwest Arizona and southeast and southern California. * WHEN...Until 8 PM MST /8 PM PDT/ Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

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Area
Parker Valley; Yuma; Joshua Tree NP West; Joshua Tree NP East; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley

Excessive Heat Warning

Excessive Heat Warning issued July 20 at 9:57AM PDT until July 21 at 9:00PM PDT by NWS Las Vegas NV

* WHAT...Dangerously hot conditions expected. Temperatures in the Colorado River Valley and around Lake Mead, Lake Mohave, and Lake Havasu will range from 112 to 118. Central and southern Mohave County including the Kingman area will range from 106 to 112. Cadiz and Morongo Basins will range from 110 to 117. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, Northwest Deserts, Morongo Basin, Cadiz Basin, and San Bernardino County-Upper Colorado River Valley. * WHEN...Until 9 PM PDT / MST Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hot temperatures overnight will mean little relief from the daytime heat, especially in lower elevations of the Colorado River Valley, where low temperatures may not fall below 90 degrees.

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Area
Lake Havasu and Fort Mohave; Northwest Deserts; Lake Mead National Recreation Area; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Lake Mead National Recreation Area
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Overcast 73°F
30.37in
Barometer
41%
Humidity
Southeast 4.6mph
Wind
Overcast

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