FIRST ALERT FORECAST: Muggy start to Friday, rain likely this we - WAFB 9 News Baton Rouge, Louisiana News, Weather, Sports

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FIRST ALERT FORECAST: Muggy start to Friday, rain likely this weekend in the afternoon

First Alert Weather (Source: WAFB) First Alert Weather (Source: WAFB)

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As we’ve seen the last couple of days, scattered rains developed across the area during Thursday afternoon and extended into the early evening.  We could see one or two lingering pockets of rain into the late evening but just about all of the showers should be out of the picture by midnight.

Coastal parishes could be dealing with a couple of daybreak showers but Friday morning starts off mainly-dry under partly-to-mostly cloudy skies. Sunrise temperatures will be in the low to mid 70°s making for a muggy start to the day.  The First Alert Forecast has a few showers already popping in the area by lunchtime with a 50% to 60% coverage of showers and t-storms for Friday afternoon.  Highs will climb to 90° or more for most neighborhoods before the rains take a bite out of the afternoon heat.

Our forecast stays on the “wet” side through the weekend with rain chances posted at 60% or better for both Saturday and Sunday. For both days, mornings will be mostly-dry with daybreak temperatures in the low to mid 70°s. Afternoon highs will reach the upper 80°s to low 90°s around the region, depending on when the first rounds of rains arrive.

None of these next three days will be all-day washouts even though rains are likely for each afternoon.  We expect passing showers and t-storms each day with breaks in the rains through the afternoons. In fact, guidance suggests that rain totals for the three-day period will come in at 1.0” or less for most areas. While we cannot rule out one or two strong-to-severe storms on any given day, widespread severe weather is not expected through the weekend.

The forecast stays “wet” through the first half of next week too, with rain chances at 50% to 60% for Monday, Tuesday, and Wednesday.  There is some hint that a “cool” front could arrive in the lower Mississippi Valley around mid-week but it is really too early to commit to that development in our forecast.

In the tropics, we continue to watch Sub-Tropical Storm Ernesto, located over the north-central Atlantic.  Ernesto is expected to accelerate to the northeast and track over cooler waters during the next couple of days; that should bring a quick end to that tropical system.

Down in the tropical Atlantic, the National Hurricane Center (NHC) is highlighting an easterly wave with a 20% chance of development over the next two to five days has it heads towards the eastern Caribbean. Fortunately, environmental conditions ahead of the system are expected to be less-than-favorable for intensification as it approaches the Lesser Antilles.


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