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TUCSON - Temperatures are on the rise through Thursday before storms cool us down.

A repeat performance in the weather department is expected today as highs near 105 and the breeze kicks up once again this afternoon, according to Meteorologist John Patrick. The heat will be on the rise with a high of 106 for the official start of summer at 4:09pm on Wednesday. The peak of the heat, however, isn't expected until Thursday when we near 108 for the first time this year.

Changes are expected by Friday as we see an increase in moisture to Southern Arizona. Thunderstorm activity could start as soon as Friday afternoon for areas south and east of Tucson. A chance of storms continues region wide including the Tucson metro from Saturday through Monday. Temperatures should drop back into low triple digits as the weekend and thunderstorm activity takes off.