Rain moves in midweek; another frost threat late week

Tuesday a fair day for most areas

After a cool start with some patchy fog around, temperatures should rebound fairly quickly Tuesday morning. Clouds will be on the increase as a warm front approaches from the west, and may touch off some showers along the Quebec border & Allagash region later this afternoon. 

With the clouds and rain showers moving in, it will help keep overnight lows a bit warmer Tuesday night,  with 50s for most areas to start Wednesday.

Showers overnight into Wednesday

For all but eastern areas, most of the rainfall associated with the warm front will fall overnight. Steady showers taper to scattered showers Wednesday morning. The region dries out briefly before a cold front sinks southeast in the afternoon, which may bring a chance for a shower and/or an isolated thunderstorm. Shower activity appears to end statewide Wednesday night.

The western mountains, central highlands and eastern areas appear to get the most rainfall with the frontal passage. Any isolated thunderstorms may bring totals a bit higher in areas. 

IF the sun can get out, it may feel like summer over southern areas. With the warm front, the humidity will rise and be noticeably sticky. The temperatures and humidity won't last long as the afternoon cold front sweeps it all way by Wednesday night.

Frost threat Thursday night into Friday morning

High pressure moves in Thursday. Skies will clear out, a light breeze settles, and that sets up frost potential once again for northern and western areas, and possibly freeze potential for the Allagash region. For areas susceptible to frost, get ready to cover the plants up again Thursday night.

Showers Saturday, dry Sunday

The weekend still looks like a 50/50 split with scattered showers around Saturday and dry conditions for Sunday. The trend towards warmer, more seasonable temperatures starts Saturday with 60s & 70s, with many areas reaching the 70s on Sunday. 

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​- Mike