Above average temperatures will continue through this week across much of the Southwest while some cooling occurs in the Northwest.
After a sizzling hot day on Monday, temperatures will once again climb into the lower 90s on Tuesday in California's Sacramento Valley and into the upper 90s in the San Joaquin Valley.
Temperatures will top out in the low 100s from Palm Springs, Calif. for the fourth day in a row, as well as much of southwestern Arizona.
High temperatures rising into the 90s will be found into eastern Utah and central Nevada, though some cooling will begin to invade the northern Rockies.
These above-normal temperatures are due to an upper-level zone of high pressure that had slowly been strengthening over the Southwest since Friday.
But, the area of high pressure will continue to break down into Tuesday causing the cooling in the northern Rockies.
Just a day after Boise, Bozeman, and Billings rose into the upper 80s, highs on Tuesday will struggle to reach the 70-degree mark.
A system will move through the northern Rockies into Tuesday, allowing for that cooler Pacific air to invade the region.
As temperatures cool in the Northern Rockies, temperatures will be on the rise elsewhere. The ridge of high pressure over the Southwest will shift eastward Tuesday, bringing another day of record-challenging warmth from the Front Range of the Rockies and into the central Plains. Temperatures will also warm into the 80s all the way into Chicago.
|Salt Lake City, Utah||82||81|
|Palm Springs, Calif.||104||98|
|Las Vegas, Nev.||101||94|
Further cooling of the West is expected on Wednesday as a dip in the jet stream moves into the area. High temperatures will fall about 3-5 degrees across much of the Southwest, though they will still remain above normal for this time of year.
Several rounds of thunderstorms are on tap for the Minneapolis area over the next few days.
A tropical threat from the Atlantic on the United States and Caribbean islands may increase into next week.
United States residents may pay higher heating costs this fall as colder air is expected to grip the Rockies and Plains at times and some quick-hitting chilly shots may impact the Northeast.
Monsoonal moisture from the tropics slammed the Phoenix area and other parts of the Southwest with heavy rainfall, causing flooding in the region.
A long-lived and intense thunderstorm dumped hail that ended up being measured in feet in some parts of Mexico City Sunday afternoon and evening.
A zone of thundery rain with the risk of flooding and travel delays will occur into the weekend from the northern Plains to the central Appalachians and part of the mid-Atlantic.
Rochester, MN (1883)
A tornado killed 31 people and destroyed 1351 dwellings.
Great Idaho Fire was contained after 851 lives and 6 billion board feet of timber were lost.
Tyler, MN (1918)
A tornado killed 36 people and destroyed most of the business section of town resulting in a million dollars damage.