Friday: Warm temperatures and afternoon storms
Another warm day in-store for Maine on Friday. Winds kick up in the northern regions with winds ranging from 7 to 12 mph approaching the afternoon. Temperatures in the Portland and Mid Coast areas will see high temperatures in the 80s, as well as a few areas just east of Mid Coast. The rest of the state will feel mid 70s.
The GIF above runs from 7 AM Friday to 7 PM Friday. The green reflectivity that passes through the northern areas will be likely only convection, and produce only clouds, because of the lack of moisture. In the central regions of Maine, small, isolated thunderstorms may pop-up as the day heats up and creates instability. These storms won't be very strong, and any precipitation total will likely be less than 0.05 inches.
Saturday: Warm with some rainfall
Much like Friday, Saturday will be warm. An approaching low pressure system lowers temperatures a little bit, and cloud cover will increase. Portland, Mid Coast, and Down East will feel temperatures somewhere in the upper 70s, and elsewhere will feel low to mid 70s.
The GIF above runs from 7 AM Saturday to 7 PM Saturday. As a low pressure system approaches the state from the west, it will result in slightly cooler temperatures and some small rainfall amounts. Areas that are show they're under yellow and red pockets of reflectivity have the greatest chance of seeing rainfall, where giant swaths of green reflectivity may result in only convection and clouds and minimal rainfall.
Here's a potential rainfall totals map for Maine. Areas that were under the yellow and red reflectivity in the previous GIF show the greatest amounts. The largest rainfall amount, in the extreme northwestern region, will likely only get less than 0.4 inches of rain.
Although Maine has seen a deficit of rainfall, thunderstorms with lightning is still a real threat. At the first indication of thunder, move indoors and out of water. A few more minutes of any activity is not worth your life being taken by lightning.
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Have a great Thursday! The weekend is almost here!