Forecast Heat Dome to Push Triple-Digit Readings Across Interior West This Weekend

Dangerous heat is forecast to grip large parts of the U.S. this weekend and early next week. A heat dome will build over the interior West before spreading into the Upper Midwest and later parts of the East, Newsweek reported.

Temperatures are expected to climb well above 100 degrees across much of the Great Basin and Intermountain West. Projected highs include 106 degrees in Salt Lake City, 108 degrees in Bismarck, North Dakota, and 109 degrees in Billings, Montana. Those readings would be 10 to 25 degrees above average for this time of year.

Extreme heat warnings issued by the National Weather Service as of early Saturday cover much of Utah and Wyoming, eastern Montana, central and western North Dakota, north-central South Dakota, northwestern Colorado, southeastern Idaho and a portion of northern Arizona.

The agency said near-record temperatures are possible in some locations. The most intense heat into next week is likely to focus from the northern Rockies into the Midwest, with temperatures threatening records from parts of Nevada to Wisconsin.

Minneapolis and Chicago are projected to see at least four straight days at or above 90 degrees, while Detroit and Cleveland are also expected to reach the 90s on multiple days. Humidity will make conditions feel hotter across parts of the north-central U.S. as the heat expands eastward.

The Northeast will see a shorter and less severe return of heat and humidity, with mid- to upper-90s possible along the Interstate 95 corridor from the mid-Atlantic into New England from Tuesday through Thursday. The storms could bring downpours that ease dryness in some areas while also producing gusty winds, blowing dust, lightning and possible wildfire starts.