St. John Valley weather, Aug. 24-30, 2022

3-day outlook: Wednesday-Friday

A slow-moving cold front in Quebec this morning will gradually move across the Valley today then stall out over the region tonight. The front will gradually move into the Maritimes Thursday. 

Low pressure tracking along the frontal boundary will bring a chance for rain to the Valley Thursday along with the possibility of some afternoon thunderstorms. Showers and thunderstorms will linger into Friday night with high pressure building into the region early Saturday.

Today and tonight

Mostly cloudy in the morning then becoming partly sunny in the afternoon with a 50 percent chance for showers and isolated thunderstorms. Less than 1/10th inch rainfall expected with higher totals possible in storms. High around 74 degrees. South wind 3-4 mph.

Tonight, partly cloudy with a 10 percent chance for showers. Low near 58 degrees. Wind becoming northwest 4-5 mph.

Thursday, Aug. 25

Partly sunny with a 30 percent chance for afternoon showers and isolated thunderstorms. Less than 1/10th inch rainfall expected with higher totals possible in storms. High around 75 degrees. Northwest wind 4-5 mph.

Thursday night, mostly cloudy with a 30 percent chance for showers. Less than 1/10th inch rainfall expected.  Low near 54 degrees. Northwest wind near 2 mph. 

Friday, Aug. 26

Cloudy with a 70 percent chance for showers and afternoon thunderstorms. Rainfall totals in the 1/2- to 3/4-inch range expected with higher amounts possible in storms. High around 70 degrees. South-southwest wind at 2-3 mph in the morning becoming northwest around 4 mph in the afternoon.

Friday night, mostly cloudy in the evening then becoming partly cloudy overnight with a 40 percent chance for showers and thunderstorms. Low near 50 degrees. Northwest wind 0-7 mph.

4- to 7-day outlook: Saturday-Tuesday

High pressure will build in for the weekend with partly cloudy skies Saturday and mostly clear skies developing Saturday night through Sunday night. Partly cloudy skies will develop Monday as return flow behind the departing high pressure ridge channels some moisture into the region and brings a slight chance for afternoon showers to Fort Kent and vicinity. Some isolated showers are possible overnight into Tuesday with afternoon showers and isolated thunderstorms Tuesday as a cold front approaches from the west.

Saturday, Aug. 27

Partly cloudy with a 5 percent chance for showers. High around 73 degrees. Northwest wind 0-7 mph.

Saturday night, partly cloudy with a low near 48 degrees. Southwest wind 0-7 mph.

Sunday, Aug. 28

Mostly sunny with a high near 80 degrees. Southwest wind 0-7 mph.

Sunday night, mostly clear with a low near 57 degrees. Southwest wind 0-7 mph.

Monday, Aug. 29

Partly cloudy with a high around 84. 20 percent chance for afternoon showers and thunderstorms. Southwest wind 0-7 mph.

Monday night, partly cloudy with a low near 63 degrees. 20 percent chance for showers. Southwest wind 0-7 mph.

Tuesday, Aug. 30

Partly sunny in the morning then mostly cloudy in the afternoon with a 50 percent chance for mainly afternoon showers and isolated thunderstorms. High around 82 degrees. Southwest wind 0-7 mph.

Tuesday night, partly cloudy with a 40 percent chance for showers. Low near 62 degrees. Southwest wind 0-7 mph.

8- to 14-day trends: Wednesday, Aug. 31-Tuesday, Sept. 6

Above normal temperatures / Near normal precipitation

Note: Computer model precision diminishes the further into the week the forecast projects. Check the Fiddlehead Focus for weather updates with more current information.

The Week Ahead is the work of UMFK Professor Joseph E. Becker based on personal weather station data, various computer forecast models, and information that the National Weather Service, NOAA, and other weather resources provide.