Heating up through the first week of June
A smoky haze will blur the blue sky early this week before summer heat kicks in through first days of June. Check the video forecast for the latest.
WHY SO HAZY?
Canadian wildfire smoke kept skies hazy over the weekend, and some of it will linger through the beginning of the work week as upper-level winds continue to steer it as far south as the Gulf Coast.
Lower humidity has felt nice, but that is soon coming to an end as winds take a more southerly direction at the surface. Sticky, summer humidity will return later this week along with the chance for thunderstorms.
SUMMER HEAT
By May 23, Birmingham typically hits 90 degrees at least once. Over the past 30 years, the first 90-degree day has arrived as early as April 18 (2006) and as late as June 18 (2001).
Birmingham is behind schedule this spring, but this week could bring some change. June 2025 would mark the latest 90-degree day for Birmingham since 2014.
Monday and Tuesday bring mostly sunny skies, heat, humidity, and most importantly, no rain or storms. Highs will climb into the mid-80s, with humidity making it feel more like 90 degrees or higher.
STORMS LATE-WEEK
By midweek, tropical moisture and a series of weak jet stream disturbances will fuel scattered, locally heavy thunderstorms. Expect downpours to become more likely by the weekend as a cold front advances toward Alabama.
This will not be anything like what May served up for the South. Instead, we will look for brief, scattered and heavy downpours here and there with highest coverage during the afternoon. Some days will offer better coverage than others, but the unevenly scattered, hit-or-miss downpours will drop appreciable rain (up to 2 inches in spots) and leave some high and dry.
Any summer storms that develop may bring locally heavy rainfall, and all thunderstorms carry inherent dangers. These risks include strong wind gusts, which can break branches or topple trees 鈥� especially in wet soil conditions 鈥� and dangerous lightning. Regardless of severity, every thunderstorm should be approached with caution.
HURRICANE SEASON
The Atlantic hurricane season begins Sunday, June 1.
There are already some signs of 鈥渓ife鈥� in the Gulf and Caribbean, and there is a chance 鈥� a relatively small chance 鈥� that the first depression or storm of the season could be in the Caribbean or southern Gulf within the next two weeks.
Some model guidance has hinted at a full-blown tropical storm developing in the Gulf of America (formerly the Gulf of Mexico) between June 5 and June 12.
That can happen this time of year with a feature called the Central American Gyre: a broad area of low pressure centered over Central America between the Atlantic and Pacific basins.
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