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 This front will do little to bring a regional cooling trend for many areas as the Southeast and Plains will continue to experience temperatures in the 90s and 100s. In addition, rain will develop east of the Mississippi Valley and will be accompanied by areas of thunderstorms as well. By the end of the day, rain will be on the border of moving into the Northeast as precipitation will stretch from the Carolinas through central New York.
In the Northwest, a Pacific storm will move into Washington and Oregon. As this will be a
summer storm, light to moderate rain is expected in these two states and Idaho before the storm moves into Alberta in the afternoon and evening.
Monsoon season is about to ramp up in the Southwest as moisture creeps into Arizona and New Mexico while providing scattered showers and thunderstorms.
With regard to temperature, very hot air in the Great Basin will stream northward from Mexico. The Desert Southwest and Great Basin through Montana are likely to be the hottest places in the country, with temperatures topping 100 degrees for many areas.
The Southeast will see temperatures in the 90s and 100s, while the Northeast will rise into the 80s and 90s for the most part. The Southwest will see 90s and 100s as well, but the Northwest will see temperatures in the 70s and 80s.
Temperatures in the Lower 48 states Monday ranged from a morning low of 35 degrees at Stanley, Idaho, to a high of 105 degrees at Needles, Calif.
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