BIRMINGHAM, ALA. — Dangerous late-summer heat will grip Alabama again today, with afternoon highs climbing into the 95 to 100 degree range across much of the state, even as an increase in thunderstorm activity moves in behind a surface front dropping into the Deep South. The Storm Prediction Center has placed most of Alabama under a Marginal Risk, Level 1 of 5, for severe thunderstorms this afternoon and evening, with a small corner of the northeast upgraded to a Slight Risk, Level 2 of 5, as the same front and increasing instability combine to fuel stronger storm cells.
Highs Near 100 Degrees Return to Much of Alabama
Highs today are expected to reach the mid to upper 90s across most of the state, with some spots pushing to around 100 degrees in the Tennessee Valley and central Alabama. Model guidance for Birmingham points to a high near 97 degrees this afternoon, in line with the broader statewide outlook. Combined with typical late-summer humidity, that kind of heat will make it feel even hotter outdoors through the peak afternoon hours, and anyone spending extended time outside should plan for frequent breaks and plenty of water.
Marginal Risk Covers Nearly the Entire State
The Marginal Risk zone stretches across nearly the entire state, covering Florence, Decatur, Huntsville, Gadsden, Birmingham, Tuscaloosa, Talladega, Montgomery, Auburn, Greenville, Troy, Dothan and Mobile. Within that zone, forecasters expect a general increase in the number of thunderstorms as the front pushes south through the afternoon, though coverage will not be uniform. It will not rain everywhere today, but where thunderstorms do manage to form, they are expected to be capable of producing strong, gusty winds and frequent lightning.
Strong Wind Gusts and Frequent Lightning the Main Hazards
The heaviest storms will be capable of packing a real punch even in a Marginal Risk setup. Strong wind gusts are the primary concern, with the potential to snap tree limbs or briefly knock out power in spots that see a stronger cell. Lightning is also expected to be frequent with the more robust storms, adding a secondary hazard for anyone caught outdoors as thunderstorms fire during the afternoon and evening hours.
What Marginal and Slight Risk Actually Mean
For readers less familiar with the terminology, the Storm Prediction Center ranks severe weather potential on a five-level scale. A Marginal Risk, the lowest category that still carries a severe threat, means isolated severe storms are possible but are not expected to be widespread. A Slight Risk, one step higher, points to a better chance of scattered severe storms capable of stronger winds, larger hail or, in some setups, a tornado or two. Today’s Alabama outlook falls mostly into that lower Marginal category, with only the northeast corner nudged into the Slight Risk tier…