RSS feed source: US National Weather Service

* WHAT…Heat index values up to 106 expected. * WHERE…Portions of east central Kansas and central, north central, and west central Missouri. * WHEN…From noon today to 7 PM CDT this evening. * IMPACTS…Hot temperatures and high humidity may cause heat illnesses.

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RSS feed source: US National Weather Service

* WHAT…Dangerously hot conditions possible. Afternoon temperatures 109 to 114. Major Heat Risk. * 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 Wednesday morning through Friday evening. * IMPACTS…Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS…In Maricopa County, call 2-1-1 to find a free cooling center, transportation, water, and more.

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RSS feed source: US National Weather Service

* WHAT…Visibility one quarter mile or less in dense fog. * WHERE…Portions of central, north central, and northeast South Dakota. * WHEN…Until 9 AM CDT /8 AM MDT/ this morning. * IMPACTS…Low visibility could make driving conditions hazardous.

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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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