Extremely critical fire danger to impact Four Corners region this weekend

Six states are under Red Flag Warnings for dangerous fire weather conditions.

As several wildfires burn across the West, parts of the Four Corners region will once again see an extremely critical fire weather danger which could help current or new fires rapidly grow and become more dangerous.

The largest wildfire in Utah, the Cottonwood Fire, has burned more than 71,000 acres and remains 0% contained. Meanwhile, the Iron Fire has burned more than 40,000 acres and is 38% contained, while the Cherry Fire -- a merger of the Maple Peak Fire and the original Cherry Fire -- has burned an estimated 20,000 acres and is 0% contained.

Six states in the West are under Red Flag Warnings for dangerous fire weather conditions today, with some continuing to see them through Sunday.

The greatest risk area for fire weather conditions later Saturday is for parts of the Four Corners: eastern Utah, western Colorado, northeast Arizona and northwest New Mexico. This area is under the level 3 of 3 threat with an extremely critical fire weather risk in place. Hot, extremely dry and windy conditions are bringing favorable conditions for new fires to spark and spread rapidly.

Vegetation in the area is incredibly dry, providing ample, quick-burning fuel for wildfires. In the extreme risk area, sustained winds of 25 to 35 mph and gusts up to 55 mph are forecast with relative humidity values dipping into the single digits.

These conditions will promote extreme fire behavior in an area already dealing with large uncontrolled wildfires. Existing wildfires could explode in size and move erratically with new fires potentially growing rapidly as well.

Breezy and dry conditions will continue across this portion of the West this weekend; however, cooler temperatures will be settling in.

All of this comes after many states in the West, including Utah, saw their lowest snowpack on record this winter and are now under extreme drought conditions, which is furthering the critical fire weather danger in the region.

Severe thunderstorms and flooding

The threat for flash flooding and severe storms continues in parts of the country on Saturday.

On Saturday morning, rounds of heavy rain are moving through parts of southern Kansas and northern Oklahoma, and these areas remain under a Flood Watch until later this morning for the potential of flash flooding.

Flood Watches extend from southeast Missouri and northeast Arkansas to northern West Virginia and southern Ohio for potentially heavy rain today into tomorrow. This includes places such as Charleston, West Virginia; Cincinnati, Ohio; Louisville, Kentucky; Nashville, Tennessee; Evansville, Indiana; and Poplar Bluff, Missouri.

Some of these pockets of rain could have strong storms that produce gusty winds and lightning.

Two pockets of severe weather for Saturday include those centered over North Carolina and the other up towards the northern High Plains.

For much of North Carolina, a level 2 of 5 threat for severe storms is up for later Saturday into the evening for the potential for storms producing damaging winds.

Back towards the northern High Plains, a level 3 of 5 “enhanced risk” of severe storms is up for parts of west-central North Dakota, eastern Montana and northwest South Dakota – including Minot, North Dakota, and Glendive, Montana.

A level 2 of 5 threat for severe storms extends further into Montana and the Dakotas and also reaches down to western Nebraska, which includes Bismarck, North Dakota; Rapid City, South Dakota; Sheridan, Wyoming; and Valentine, Nebraska.

Storms here could produce damaging winds, large hail and a few tornadoes.

Extreme heat on the move

Over the weekend, extreme heat will be building in the center of the country, starting in the southern Plains on Saturday and becoming more expansive across the central U.S. by Sunday.

There is growing confidence that a dangerous heat wave will impact millions across the Midwest early next week, with big heat also building across much of the East Coast by midweek.

By Monday, widespread highs in the 90s are forecast across the Midwest, with afternoon temperatures soaring into the upper 90s in Minneapolis.

Humid conditions will make it feel even hotter with heat index values potential reaching the triple digits in many areas.

Chicago and Detroit will see highs reaching the mid-to- upper 90s by Tuesday and Wednesday.

And a large swath of the I-95 corridor is set for a heat wave beginning Tuesday as the heat builds east, with temperatures at or above 90 from Washington, D.C., to New York and stay through at least midweek.

Meanwhile in the West, below average temperatures arriving this weekend will likely linger across the region through at least the first half of next week.

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