Rain Chances & Warming Trend

Posted: Updated:

July 27

12:30pm

Overview

Today there is a Low Pressure System over the Ohio River Valley with and is affecting much of the Eastern half of the U.S. There is a likely chance for rain and a slight risk for severe weather associated with this system. Elsewhere, a ridge of high pressure is extended over much of the Gulf coast and will help keep rain chances low for some areas.

To read our latest Tropical Outlook, follow the link below to the Hurricane Center.

Discussion
Right now a ridge of high pressure is extended over the Gulf Coast states and this feature will help keep rain chances down after an approaching front completely fizzles out. So, through Friday, expect to see some rain chances with very little change in the forecast through the weekend. This slight chance for scattered rain is due to the weak approaching front. The weekend will bring with it, decreasing rain chances and clearing skies as a ridge of High Pressure resumes control. Southerly winds will continue to be light to moderate and will continue to usher even more humidity into the area. This expected ridge of high pressure will help limit rain chances and bring temperatures up, gradually. We will keep some rain chance in the forecast due to diurnal conditions. (During the day as the sun warms the surface of the earth, convection becomes more likely. So, during the afternoon rain chances will be slight.)
By the beginning of the work week, we will be seeing mostly sunny skies and temperatures near the century mark with Heat Index values ranging from 107-114.

For the rest of the day
Expect mostly sunny to partly cloudy skies with In & Out cloud cover and a chance for showers and thunderstorms through the afternoon and early evening. High temperatures will be in 90's with high humidity values making it feel over the 100 degree mark. Most of the viewing area will see partly cloudy skies and there will only be a few, scattered showers. As of 12:00pm, only 10% of our area was seeing rain (In the southern half of the viewing area, to include a storm about to enter Alexandria.). Winds will remain light to moderate and out of the south throughout the day. Overnight, expect some clearing with tapering rain chances and a muggy feel with light and variable winds.

For the rest of the 7day planner
During the next couple of days we will see rain chances decrease. Meanwhile, temperatures will go through a warming trend. By the beginning of the work week, expect High temperatures in the upper 90's with Heat Indices ranging from 105-110 and clearing skies.

TODAY...A mixture of clouds and sun with a 30% chance of showers and thunderstorms, mainly between Noon and 8 PM. Highs 91-98. The peak heat index may reach 108. SW wind 2-13 mph, except stronger and variable near storms.

THURSDAY NIGHT...Mostly fair skies and continued muggy conditions. Lows 73-78. S/SW wind 1-6 mph.

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~DEW