Extreme Heat Watch issued June 19 at 9:30AM CDT until June 22 at 9:00PM CDT by NWS Sioux Falls SD
* WHAT...Dangerously hot conditions with heat index values up to 107 possible. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and east central and southeast South Dakota. * WHEN...From Friday morning through Sunday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Extreme Heat Warning issued June 19 at 5:14AM MST until June 20 at 9:00PM MST by NWS Tucson AZ
* WHAT...For the Thursday through Friday Extreme Heat Warning, dangerously hot conditions with temperatures up to 115 possible in the Tucson metropolitan area, Gila River Valley, and across western and central Pima County including the Tohono O'odham Nation. High temperatures elsewhere will be 102 to 108 degrees. * WHERE...Eastern Cochise County below 5000 feet, South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, Upper Santa Cruz River Valley/Altar Valley, and Western Pima County. * WHEN...From 10 AM this morning to 9 PM MST Friday. * IMPACTS...Heat related
Extreme Heat Warning issued June 19 at 4:14AM MST until June 20 at 7:00PM MST by NWS Flagstaff AZ
* WHAT...Dangerously hot conditions below 4000 feet, with daytime temperatures ranging from 105 degrees at Havasupai Gardens, to 115 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...Until 7 PM MST Friday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.
Extreme Heat Warning issued June 19 at 1:54AM MST until June 20 at 8:00PM MST by NWS Phoenix AZ
* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 116. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...A portion of south central Arizona. * WHEN...Until 8 PM MST Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...In Maricopa County, call 2 1 1 to find a free cooling center, transportation, water, and more. https://www.maricopa.gov/heat
Extreme Heat Warning issued June 19 at 1:32AM PDT until June 19 at 10:00PM PDT by NWS Las Vegas NV
* WHAT...Expect high temperatures around 110 in Las Vegas, Pahrump, and Barstow, around 105 in Kingman, 110 to 115 in the Colorado River Valley, and up to 120 at Furnace Creek in Death Valley National Park. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, Northwest Deserts, Death Valley National Park, Western Mojave Desert, Eastern Mojave Desert, San Bernardino County-Upper Colorado River Valley, Western Clark and Southern Nye County, and Las Vegas Valley. * WHEN...Until 10 PM PDT /10 PM MST/ this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially when overnight low temperatures
Extreme Heat Watch issued June 18 at 11:45PM CDT until June 21 at 10:00PM CDT by NWS Aberdeen SD
* WHAT...Dangerously hot conditions with heat index values from 100 to 105 possible. * WHERE...Portions of central, north central, and northeast South Dakota. * WHEN...From Friday morning through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Extreme Heat Watch issued June 18 at 9:24PM CDT until June 22 at 9:00PM CDT by NWS Hastings NE
* WHAT...Dangerously hot conditions with heat index values up to 107 possible. * WHERE...Portions of central, east central, and south central Nebraska. * WHEN...From Friday morning through Sunday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Overnight temperatures will only briefly dip into the upper 70s and low 80s each day. Breezy south winds may provide some relief for outdoor events.
Extreme Heat Warning issued June 18 at 10:42AM PDT until June 19 at 10:00PM PDT by NWS Las Vegas NV
* WHAT...Dangerously hot conditions with temperatures up to 115 degrees. Temperatures in Death Valley will exceed 120 degrees. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, Northwest Deserts, Death Valley National Park, Western Mojave Desert, Eastern Mojave Desert, San Bernardino County-Upper Colorado River Valley, Western Clark and Southern Nye County, and Las Vegas Valley. * WHEN...Until 10 PM PDT /10 PM MST/ Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Extreme Heat Watch issued June 19 at 12:09AM CDT until June 22 at 9:00PM CDT by NWS Twin Cities/Chanhassen MN
* WHAT...Dangerously hot and humid conditions with heat index values of 103 to 108 possible each afternoon. Low temperatures Saturday night will remain in the mid 70s to lower 80s, providing little relief from the heat. * WHERE...Portions of central, east central, south central, southeast, southwest, and west central Minnesota and northwest and west central Wisconsin. * WHEN...From Saturday afternoon through Sunday evening. * IMPACTS...Heat-related illnesses increase significantly during extreme heat and high humidity events.
Extreme Heat Watch issued June 18 at 11:45PM CDT until June 22 at 9:00PM CDT by NWS Aberdeen SD
* WHAT...Dangerously hot conditions with heat index values from 100 to 105 possible. * WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, and Roberts Counties. * WHEN...From Saturday afternoon through Sunday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.