Extreme Heat Warning issued June 20 at 9:41AM CDT until June 23 at 7:00PM CDT by NWS Milwaukee/Sullivan WI
* WHAT...Dangerously hot conditions with heat index values up to 105 expected. Heat indices will also stay at 75 degrees or above Sunday and Monday morning. * WHERE...Kenosha, Milwaukee, and Racine Counties. * WHEN...From noon Saturday to 7 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Extreme Heat Warning issued June 20 at 4:23AM MST until June 20 at 7:00PM MST by NWS Flagstaff AZ
* WHAT...Dangerously hot conditions below 4000 feet, with daytime temperatures ranging from 99 degrees at Havasupai Gardens, to 109 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...Until 7 PM MST this evening. * 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 20 at 1:13AM MST until June 20 at 9:00PM MST by NWS Tucson AZ
* WHAT...Dangerously hot conditions with temperatures up to 110 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 100 to 106 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...Until 9 PM MST this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Extreme Heat Warning issued June 20 at 12:23AM MST until June 20 at 8:00PM MST by NWS Phoenix AZ
* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 111. 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 this evening. * 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 Watch issued June 20 at 8:58AM EDT until June 25 at 8:00PM EDT by NWS Pittsburgh PA
* WHAT...A prolonged heat wave is expected, with record-setting afternoon temperatures and little relief overnight, creating hazardous conditions. Heat index values are projected to range from 100F to 105F. * WHERE...Portions of east central Ohio, northwest, southwest, and western Pennsylvania, and northern and the northern panhandle of West Virginia. * WHEN...From Sunday morning through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Extreme Heat Watch issued June 19 at 3:01PM CDT until June 22 at 7:00PM CDT by NWS Duluth MN
* WHAT...Dangerously hot conditions with heat index values up to 100 possible. * WHERE...In Minnesota, Northern Aitkin, Koochiching, North Cass, Itasca, Carlton, St. Louis, and Northern Cook and Lake Counties. In Wisconsin, Ashland, Bayfield, Douglas, and Iron Counties. This includes the Tribal Lands of the Mille Lacs Band, Big Sandy Lake area, the Red Cliff Band, the Bad River Reservation, the Fond du Lac Band, the northwestern area of the Lac du Flambeau Band and the Bois Forte Band, Lake Vermilion, Nett Lake and, Deer Creek areas. Other locations including the Apostle Islands National Lakeshore, Voyageurs National Park and Madeline
Extreme Heat Watch issued June 20 at 2:12AM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ
* WHAT...Dangerously hot conditions with heat index values up to 107 possible. * WHERE...Portions of east central and southeast Pennsylvania. * WHEN...From Monday morning through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Low temperatures will hover near 80 degrees in urban areas. Heat will have a cumulative effect on the body as the week goes on as little relief will come overnight.
Extreme Heat Watch issued June 20 at 2:02AM EDT until June 25 at 8:00PM EDT by NWS Pittsburgh PA
* WHAT...A prolong heat wave is expected, with record-setting afternoon temperatures and little relief overnight, creating hazardous conditions. Heat index values are projecting to range from 100F to 105F * WHERE...Portions of east central Ohio, northwest, southwest, and western Pennsylvania, and northern and the northern panhandle of West Virginia. * WHEN...From Sunday morning through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Extreme Heat Watch issued June 20 at 1:38AM EDT until June 24 at 8:00PM EDT by NWS Northern Indiana
* WHAT...Dangerously hot conditions with heat index values between 95 and 106 possible. The hottest conditions are expected on Sunday and Monday. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...From Saturday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Consecutive days of excessive heat and humidity combined with very warm low temperatures in the 70s can be especially hazardous for vulnerable populations as the overnight hours provide little relief from the heat.
Extreme Heat Warning issued June 19 at 2:15PM CDT until June 22 at 12:00AM CDT by NWS Hastings NE
* WHAT...Dangerously hot conditions with heat index values up to 109 expected. The warmest day is expected to be Saturday. * WHERE...Portions of central, east central, and south central Nebraska. * WHEN...For the Extreme Heat Warning, from noon Friday to midnight CDT Saturday Night. For the Extreme Heat Watch, from late Saturday night through Sunday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Overnight low temperatures will fall no lower than the upper 70s, providing limited relief from the heat. Steady south winds may provide some relief for those outdoors, but dehydration