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    • Wind Animation
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    New: Official Warnings from National Meteorological Institutes Warning

    Warnings - San Tan Valley

    World / United States / Arizona / San Tan Valley

    33°10'N / 111°32'W / Altitude 454 m / 23:52 2026/03/18, America/Phoenix (UTC-7)

    temperature

    Extreme Heat Warning issued March 18 at 1:01PM MST until March 22 at 8:00PM MST by NWS Tucson AZ

    From: 2026/03/18, 13:01
    To: 2026/03/19, 05:15

    * 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.

    • Pinal
    • Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible and drink plenty of water.
    • NWS Tucson AZ
    • 2026/03/18, 13:01
    temperature

    Extreme Heat Warning issued March 18 at 1:43PM MST until March 22 at 8:00PM MST by NWS Phoenix AZ

    From: 2026/03/18, 13:43
    To: 2026/03/19, 02:00

    * WHAT...Dangerously hot conditions. Afternoon temperatures 100 to 106 expected. 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.

    • Pinal
    • An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.
    • NWS Phoenix AZ
    • 2026/03/18, 13:43
    temperature

    Extreme Heat Warning issued March 18 at 1:43PM MST until March 22 at 8:00PM MST by NWS Phoenix AZ

    From: 2026/03/18, 13:43
    To: 2026/03/19, 02:00

    * WHAT...Dangerously hot conditions. Afternoon temperatures 100 to 108 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.

    • Pinal,Northwest Pinal County
    • An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.
    • NWS Phoenix AZ
    • 2026/03/18, 13:43