Warm and humid as heavy rain approaches the Tennessee Valley


Off and on showers will be possible through the day today as highs climb into the mid 70s. It will occasionally be breezy, with wind gusts exceeding 20 mph in some spots by this afternoon.

Overnight, a cold front approaches from the North, triggering showers and storms late overnight.

Storms start as early as 9 or 10 PM in far Northwest Alabama, and push through Decatur, Athens, and Huntsville around 11PM-Midnight. The line approaches Sand Mountain between Midnight-1AM, and clears Lookout Mountain a little after 2 AM.

Behind the initial line of storms, steady light to moderate rainfall will continue overnight and into Monday. Along the line of heaviest thunderstorms, frequent lightning and thunder is likely, as well as some wind gusts around 40 mph. Severe storms aren’t overly likely, but we can’t totally rule out a storm briefly taking on severe characteristics (>58 mph wind gusts and/or 1″ diameter hail). The initial line of storms will have torrential downpours capable of producing a quick inch or so of rain. That could lead to some flooding across the area. The largest flood threat in the region will be from Middle Tennessee north into Kentucky and West Virginia, but some flooding will be possible in the Tennessee Valley, particularly in areas that commonly flood.

Be sure to have multiple ways to receive weather information overnight. The Huntsville NOAA Weather Radio Transmitter is offline, so Live Alert 19 is a good tool to have ready just in case severe weather strikes.

Download Live Alert 19 for iOS or Android.

– Alex Puckett
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