A cold front will move through the Tennessee Valley early Thursday morning and that will bring a small chance of severe weather to the entire area.
The SPC has the entire Tennessee Valley under a marginal risk for severe weather through the overnight and early Halloween morning. A marginal risk means that isolated severe storms are possible. This does not look like a widespread event.
The biggest threats would be damaging winds and localized flooding. The tornado threat is not zero, but the threat of a tornado is there.
Many of us picked up at least 0.5″ of rain this afternoon, and we could see another 1″ – 2.5″ tonight and through the first part of the day on Thursday.
Behind the cold front is some much cooler air. It looks like the high for the day Thursday will occur before 6:00 AM. From there temps will fall through the afternoon into the evening.
A freeze watch will go into effect Thursday night and continue through Friday morning as lows are expected to drop into the upper 20s, and lower 30s. Bring in your plants at some point in the next 12-16 hours.