Today should be mostly sunny with high's in the middle 90's and a chance of an afternoon thunderstorm. A shortwave trough forming across the TN valley, coupled with PW > 2 inches, and decent CAPE values, will initiate showers and storms this afternoon over TN and extreme N AL. Outflow boundaries traveling south from these storms will be the cause for any rain we receive today. Although parameters are supportive of locally heavy rainfall once again today, I just don't feel confident of a widespread event.
Having that said, expect a 20% chance of showers and thunderstorms today- with potential for isolated heavy amounts. High's should top out between 94-96F, and overnight low's in the mid 70's.
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