* WHAT...Dangerously hot conditions with high temperatures of 95 to
100 degrees expected. The hottest days are currently expected to be
Friday March 20 and Saturday March 21.
* WHERE...Eastern Cochise County below 5000 feet, Upper Gila River
Valley, Upper San Pedro River Valley, and Upper Santa Cruz River
Valley/Altar Valley.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Visitors, seasonal residents, and other people
not typically accustomed to or acclimated to extreme heat are
especially urged to take precautions during the hottest hours of
the day and limit outdoor activity.
* WHAT...Dangerously hot conditions with high temperatures of 100 to
108 degrees expected. The hottest days are currently expected to be
Friday March 20 and Saturday March 21.
* WHERE...South Central Pinal County, Southeast Pinal County, Tohono
O'odham Nation, Tucson Metro Area, and Western Pima County.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Visitors, seasonal residents, and other people
not typically accustomed to or acclimated to extreme heat are
especially urged to take precautions during the hottest hours of
the day and limit outdoor activity.
* WHAT...Dangerously hot conditions. Afternoon temperatures 100 to
109 expected. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
* WHERE...Portions of south central and southwest Arizona.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot conditions. Afternoon temperatures 95 to
107 expected. Major Heat Risk. Overexposure can cause heat cramps
and heat exhaustion to develop and, without intervention, can lead
to heat stroke.
* WHERE...Apache Junction/Gold Canyon, Cave Creek/New River,
Dripping Springs, Fountain Hills/East Mesa, New River Mesa, Rio
Verde/Salt River, and Superior.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot conditions. Afternoon temperatures 100 to
109 expected. 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...From 11 AM MST /11 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/
Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot conditions. Afternoon temperatures 100 to
108 expected. Major Heat Risk. Overexposure can cause heat cramps
and heat exhaustion to develop and, without intervention, can lead
to heat stroke.
* WHERE...The Northwest Valley of the Phoenix Metro Area, The East
Valley of the Phoenix Metro Area, Buckeye/Avondale, Deer Valley,
Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise
Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...If you need help finding a place to stay cool
or need other assistance to stay safe, please call 2-1-1 for
resources you can use.
* WHAT...Dangerously hot temperatures climbing to near-30 degrees
above seasonal normals.
* WHERE...Portions of northwestern Arizona, southeastern California,
and southern Nevada.
* WHEN...From 11 AM PDT / MST Wednesday to 8 PM PDT / MST Sunday.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Extreme early-season heat coupled with high
tourism rates will make this heat very dangerous, particularly for
those not acclimated to the heat and/or traveling from cooler
climates. Numerous daily and monthly heat records are in jeopardy
through at least Sunday.
* WHAT...Dangerously hot conditions with high temperatures of 95 to
100 degrees expected. The hottest days are currently expected to be
Friday March 20 and Saturday March 21.
* WHERE...Eastern Cochise County below 5000 feet, Upper Gila River
Valley, Upper San Pedro River Valley, and Upper Santa Cruz River
Valley/Altar Valley.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Visitors, seasonal residents and other people
not typically accustomed to or acclimated to extreme heat are
especially urged to take precautions during the hottest hours of
the day and limit outdoor activity.
* WHAT...Dangerously hot conditions with high temperatures of 100 to
108 degrees expected. The hottest days are currently expected to be
Friday March 20 and Saturday March 21.
* WHERE...South Central Pinal County, Southeast Pinal County, Tohono
O'odham Nation, Tucson Metro Area, and Western Pima County.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Visitors, seasonal residents and other people
not typically accustomed to or acclimated to extreme heat are
especially urged to take precautions during the hottest hours of
the day and limit outdoor activity.
* WHAT...Dangerously hot conditions, with temperatures 96 to 104
expected below 4000 feet. These are temperatures that would be more
typical of Summer.
* WHERE...Lower elevations of the Grand Canyon, and Yavapai County
Valleys and Basins.
* WHEN...From 11 AM Wednesday to 8 PM MST Sunday.
* IMPACTS...Pets, livestock, and those sensitive to heat, such as the
homeless, elderly, and children will be at risk for heat-related
illnesses. Those without effective cooling and/or adequate
hydration will be at the greatest risk.
* WHERE...Dripping Springs, New River Mesa, Rio Verde/Salt River,
and Superior.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Afternoon high temperatures between 101 and
106 degrees.
* WHERE...Portions of south central and southwest Arizona.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Afternoon high temperatures between 103 and
108 degrees.
* WHERE...Portions of southwest Arizona and southeast and southern
California.
* WHEN...From 11 AM MST /11 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/
Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Afternoon high temperatures between 103 and
108 degrees.
* WHERE...Apache Junction/Gold Canyon, Cave Creek/New River, and
Fountain Hills/East Mesa.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Afternoon high temperatures between 102 and
106 degrees.
* WHERE...The Northwest Valley of the Phoenix Metro Area, The East
Valley of the Phoenix Metro Area, Buckeye/Avondale, Deer Valley,
Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise
Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Afternoon high temperatures between 103 and
107 degrees.
* WHAT...Dangerously hot conditions with high temperatures of 95 to
100 degrees expected. The hottest days are currently expected to be
Friday March 20 and Saturday March 21.
* WHERE...Eastern Cochise County below 5000 feet, Upper Gila River
Valley, Upper San Pedro River Valley, and Upper Santa Cruz River
Valley/Altar Valley.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Visitors, seasonal residents and other people
not typically accustomed to or acclimated to extreme heat are
especially urged to take precautions during the hottest hours of
the day and limit outdoor activity.
* WHAT...Dangerously hot conditions with high temperatures of 100 to
108 degrees expected. The hottest days are currently expected to be
Friday March 20 and Saturday March 21.
* WHERE...South Central Pinal County, Southeast Pinal County, Tohono
O'odham Nation, Tucson Metro Area, and Western Pima County.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Visitors, seasonal residents and other people
not typically accustomed to or acclimated to extreme heat are
especially urged to take precautions during the hottest hours of
the day and limit outdoor activity.
* WHAT...Dangerously hot conditions with temperatures peaking
between 95 and 100 degrees expected for the Las Vegas Valley,
Pahrump Valley, and Kingman; temperatures peaking between 98 and
103 for lower elevations of southern Mohave County.
* WHERE...In Arizona, Northwest Deserts. In Nevada, Las Vegas Valley
and Southern Clark County.
* WHEN...From 11 AM PDT / MST Wednesday to 8 PM PDT / MST Sunday.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Extreme early-season heat coupled with high
tourism rates will make this heat very dangerous, particularly for
those not acclimated to the heat and/or traveling from cooler
climates. Numerous daily and monthly heat records are in jeopardy
through at least Sunday.
* WHAT...Dangerously hot conditions with temperatures near 30
degrees above seasonal normals expected.
* WHERE...Northwest Plateau.
* WHEN...From 11 AM Wednesday to 8 PM MST Sunday.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Extreme early-season heat coupled with high
tourism rates will make this heat very dangerous, particularly for
those not acclimated to the heat and/or traveling from cooler
climates. Numerous daily and monthly heat records are in jeopardy
through at least Sunday.
* WHAT...For the Lake Wind Advisory, north winds 15 to 25 mph with
gusts up to 45 mph. For the Extreme Heat Warning, dangerously hot
conditions with temperatures between 100 and 108 expected.
* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
Mohave, and San Bernardino County-Upper Colorado River Valley.
* WHEN...For the Lake Wind Advisory, until 8 PM PDT / MST this
evening. For the Extreme Heat Warning, from Wednesday morning
through Sunday evening.
* IMPACTS...Strong winds and rough waves on area lakes will create
hazardous conditions for small craft. Heat-related illnesses
increase significantly during extreme heat events.
* ADDITIONAL DETAILS...Extreme early-season heat coupled with high
tourism rates will make this heat very dangerous, particularly for
those not acclimated to the heat and/or traveling from cooler
climates. Numerous daily and monthly heat records are in jeopardy
through at least Sunday.