Weather Underground Forecast for Tuesday, May 08, 2012. Active weather will remain in the eastern third of the country on Tuesday as a strong storm will move through the region. The associated cold front will drape itself from the Southern Plains through the Southeast and eastern seaboard. This front will produce scattered rain and thunderstorms throughout this region. In contrast of the past few days, no significant severe weather threat is expected from this storm. There is a small possibility that some of these thunderstorms could become severe with heavy rain and large hail. Residents should always monitor the progress of these storms and be prepared to take necessary precautions to protect life and property. Behind this cold front, cool air will filter into the Upper Midwest and Mississippi Valley. This air will cool overnight temperatures into Wednesday, but not before the Upper Midwest will see temperatures in the 60s and 70s. In the Southwest, a high pressure system will continue to provide warm afternoon temperatures. The coast itself may experience a few degrees of cooling, but inland temperatures in Southern California, the Southwest, and Great Basin will warm up considerably. The Southeast will rise into the 80s and 90s, while the Northeast will see temperatures in the 70s and 80s. The Southwest will rise into the 90s and 100s, while the Northwest will see temperatures in the 70s and 80s. Temperatures in the Lower 48 states Monday have ranged from a morning low of 15 degrees at West Yellowstone, Mont. to a high of 97 degrees at Laredo, Texas