99 was the official high temperature in Chattanooga on Wednesday. The record high was set in 1980 with 102 degrees, so no record Wednesday, but still well above normal. The Excessive Heat Advisory remains in effect through 8pm Thursday and could get extended into Friday. The upper level ridge that has dominated our region lately will shift west through Saturday. This could bring about a "slight" change in temperature as we go through the weekend. "Slight" meaning 3-5 degrees difference. The most noticeable change will be during the morning hours. Morning temperatures will average in the upper 70s Thursday morning, but ease back to near 70 for the weekend. Afternoon high temperatures should still average well above normal, but stay in the middle 90s as opposed to near 100 Thursday. So, it's not much of a change, but it's the best we can hope for over the next few days. Showers chances will remain slim and limited to only a few isolated showers during the weekend.
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