More sweltering heat and flash flooding are expected across the nation
A. flash flood threat Heavy rains and scattered, slow-moving storms ravaged parts of the Midwest and South on Sunday, from Tennessee to West Virginia.
Flood watches remained in effect Sunday afternoon for several major cities, including Nashville, Lexington, Kentucky, and Charleston, West Virginia.
In southern West Virginia, slow-moving storms were causing flash flooding in Huntington, West Virginia and surrounding areas.
Heartland News – PHOTO: People stand on a bridge over Black River floodwaters in Lesterville, Missouri, July 10, 2026.
Severe storms are also possible Sunday afternoon in parts of the Carolinas and eastern Georgia, including the cities of Charlotte, Charleston and Savannah, Georgia. Strong winds and damaging winds are possible in the area.
Sunday’s severe weather follows catastrophic flooding in Missouri over the weekend that prompted hundreds of water rescuers, including more than 160 teenagers at Camp Taum Sauk in Reynolds County, officials said.
ABC News – PHOTO: Flash flood threat for Sunday, July 12, 2026.
A missing woman identified as Faith Gregory in Crawford County, Missouri, was found dead Saturday about 2 miles downstream from her home in Huzzah Creek, according to the county sheriff’s office.
Extreme heat is affecting parts of the Western and Northern Plains.
The other big weather story is the extreme heat that gripped parts of the Western and Northern Plains on Sunday and extends into early week. Daily high temperature records are threatened from Utah and Montana on Sunday to Minnesota and into Monday.
Warm, dry conditions are causing fire weather conditions to rise to critical across parts of the Northwest Sunday afternoon. Heat warnings were issued from southern California to Montana and Minnesota.
ABC News – PHOTO: Hazardous heat warnings for Sunday, July 12, 2026.
Extreme heat warnings were issued Sunday afternoon from Utah to eastern Montana and Minnesota, including Salt Lake City; Billings, Montana; Bismarck, North Dakota; and Duluth, Minnesota.
Daily high temperature records from Utah and Montana to Minnesota are threatened through Monday.
Temperatures on Sunday afternoon climbed above 100 degrees across much of the Intermountain West and reached over 110 degrees in parts of Montana and Wyoming.
On Sunday, cities across the West, from Utah to Montana, experienced the hottest temperatures on record.
The first high temperature in Salt Lake City was 109 degrees. This broke the all-time record of 107 degrees, which was previously broken in 1960, 2002, 2021 and twice in 2022. The city’s temperature records date back to 1874.
Billings reached its first high temperature of 111 degrees on Sunday afternoon, breaking the all-time high of 108 degrees set on July 14, 2002.
In Miles City, Montana, the temperature rose to 115 degrees on Sunday afternoon, also breaking the all-time high of 111 degrees set on June 26, 2012.
Monsoon storms could hit Arizona
In southern Arizona, several monsoon thunderstorms could also become severe later Sunday, producing strong winds with the potential to cause damage and sending up dust that could reduce drivers’ visibility on roadways.
State of emergency declared after life-threatening flood in Missouri
The heat is shifting eastward
On Monday, temperatures are expected to shift eastward into the Dakotas and the Midwest. The high temperature in Fargo, North Dakota on Monday is expected to be near 100 degrees.
If the temperature reaches 100 degrees in International Falls, Minnesota, on Monday, it would not only break the daily high temperature of 93 set on July 13, 1983, but it would also be the first 100-degree day for the city in more than a century.
The last time temperatures in International Falls reached triple digits was July 22, 1923, when it reached an all-time high of 103 degrees.
ABC News – PHOTO: Fire weather danger in the Northeast on Sunday, July 12, 2026.
The combination of extreme heat, very dry conditions and high winds was increasing the fire danger in parts of the Northwest, including parts of Washington and Oregon. More than two-thirds of the West faces drought conditions of varying intensity.
Comfortable conditions continue in the Northeast
Meanwhile, residents in the Northeast enjoyed mostly sunny skies and comfortable temperatures Sunday afternoon, and that’s expected to continue through Monday.
However, by mid-week, high temperatures in the West and Plains are expected to move to the Northeast.
ABC News – PHOTO: Warm weather will return to the Northeast this week.
Afternoon high temperatures are expected to reach the 90s from Washington D.C. to Philadelphia, New York City and into Boston on Tuesday. It is expected that high temperatures in the Northeast will be accompanied by high humidity, which will make the heat felt even more.
Dangerous heat and humidity persist in some parts of the Southeast; However, the heat is starting to ease in some of the affected areas and this will be more pronounced on Monday.
ABC News – PHOTO: Hot, humid conditions in the Southeast.
Heat advisories remain in effect Sunday for parts of Florida, Georgia and the eastern Carolinas, including the cities of Miami, Savannah and Charleston.
Heat indices in South Florida can make Miami and Fort Lauderdale feel between 105 and 110 degrees.
While hot and humid conditions are a typical part of summer in the Southeast, the combined effect of consecutive hot and humid days and nights without any relief can create a dangerous situation.
