The US National Weather Service said central and southern High Plains and the region stretching from eastern Kansas into Missouri could experience severe thunderstorms, with risks of large hail and damaging wind gusts.
Meanwhile, the Mid-Mississippi, Ohio and Tennessee Valleys, and the Appalachians are likely to encounter heavy rainfall and potential scattered flash flooding due to a slow moving frontal boundary and a round of storms on Friday.
The NWS issued a red flag warning for Oregon's Chemult, Crater Lake, Chiloquin, Bly, Klamath Falls, Lakeview, and Silver Lake, primarily served by PacifiCorp's Pacific Power.
A red flag warning was also raised for Gerlach, Reno, Carson City in Nevada, where Berkshire Hathaway Energy's NV Energy is a major service provider.
A similar warning was also issued for California's Cedarville, Bieber, Susanville, Canby, Alturas, and Likely. Meanwhile, an extreme heat warning was raised for Palm Springs, Blythe, and El Centro Imperial. These places are primarily served by Pacific Power, Edison International's (EIX) Southern California Edison, and PG&E (PCG) subsidiary Pacific Gas and Electric Company.
In Utah, a red flag warning was raised for Cedar City, St. George, Zion National Park, and parts of Milford. Milford and Zion National Park were also covered under an extreme heat warning along with Bluff, Blanding, Escalante, Moab, Capitol Reef National Park, Price, Manti, Delta, Nephi, Provo, Vernal, Green River, Duchesne, Wendover, Logan, Brigham City, Provo, Tooele, Park City, Ogden, and Salt Lake City. The state primarily falls under the service area of PacifiCorp's Rocky Mountain Power.
In Arizona, an extreme heat warning was issued for Parker, Yuma, Phoenix, Wickenburg, Grand Canyon Village and Page. The state is primarily served by Pinnacle West Capital (PNW) unit Arizona Public Service Company, and UNS Energy subsidiaries Unisource and Tucson Electric Power.
Affected areas in Idaho included Pocatello, Malad City, Preston, Twin Falls, Burley, and Blackfoot, served by Idacorp's (IDA) Idaho Power and Rocky Mountain Power.
Colorado's Craig, Rangely, Meeker, Rifle, and Grand Junction, served by Xcel Energy (XEL) and Black Hills (BKH) unit Black Hills Power; and Wyoming's Sheridan, served by Rocky Mountain Power, were also covered under an extreme heat warning watch.
In Montana, an extreme heat warning was raised for Glasgow, Glendive, Miles City, Billings, Red Lodge, Livingstone, Broadus, Bozeman, Plentywood, Malta, Harlowtown, Terry, Jordan, Winnett, Circle, and Sidney. Northwestern Energy (NWE) and MDU Resources (MDU) unit Montana-Dakota Utilities are among the primary service providers in these places.
Also covered under an extreme heat warning watch were North Dakota's Crosby, Williston, Bowman, Elgin, Beulah, Ashley, Bismarck, Jamestown, Harvey, Bottineau, Rugby, and Minot. Xcel Energy, Montana-Dakota Utilities and Otter Tail's (OTTR) Otter Tail Power are among the major electric service providers in the state.
The NWS also issued extreme heat warnings for Charleston, Summerville, Moncks Corner, Georgetown, Conway, and Myrtle Bridge; and North Carolina's South Port, Burgaw, and Wilmington. Duke Energy (DUK) and Dominion Energy (D) are the primary service providers in the Carolinas.
In Illinois, the NWS issued a flood warning for Peoria, Canton, Havana, and Pekin, while a flash flood warning was raised for Carbondale and Chester. Ameren's (AEE) Illinois unit and Exelon subsidiary ComEd are among the major service providers in Illinois.
The NWS issued a flash flood warning for Missouri's Cape Girardeau, Centerville, and Rolla; a flood warning for Farmington; and a severe thunderstorm warning for Sikeston. Evergy (EVRG), Ameren's Missouri unit, and Algonquin Power & Utilities (AQN) subsidiary Liberty are the major service providers in Missouri.
A flood warning was also issued for Iowa's Decorah, Clinton, and Charles City. Berkshire Hathaway Energy unit MidAmerican Energy and Alliant Energy are primary service providers in the state.
Meanwhile, Paducah in Kentucky was covered under a flash flood warning watch, while a flood warning was raised for Petersburg in Indiana.
Electric output in the US touched an all-time peak, exceeding the 100,000 gigawatt-hours levels, for the first time during the week ended July 4, the Edison Electric Institute said Thursday.
US electricity generation hit a record 100,996 GWh for the week, surpassing the previous high of of 99,445 GWh set in July 2022, while total output over the past 12 months rose 2.3% to 4.35 million GWh.