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St. John Valley weather for July 10-16, 2019

ST. JOHN VALLEY, Maine — A ridge of high pressure spreading from northern Québec down much the East Coast to the Carolinas will continue to bring mostly clear and mild conditions to the Valley today and tonight. The cold front that moved through the region Monday evening is stalled out to the southwest and will dissipate over the next day or so. Meanwhile, a low pressure will track east from central Canada and draw an occluded front towards the region tomorrow with increasing clouds and a chance for afternoon/evening showers and thunderstorms across the region. Showers continue Thursday night into Friday morning with a chance for Friday afternoon/evening thunderstorms. An upper-trough moves across the region Saturday with mostly cloudy to partly sunny skies and showers over the course of the day. A cold front approaches Sunday with shower and afternoon/evening thunderstorms possible. High pressure builds in Monday with partly cloudy skies and a slight chance for showers thanks to an upper disturbance. Tuesday looks partly cloudy and drier.

Daily Weather Summary 

Wednesday, July 10
Mostly clear with a high in the middle 70s. North/northeast wind near 5 mph. Tonight, mostly clear with a low near 50. East/southeast wind near calm.

Thursday, July 11
Becoming mostly cloudy with a high in the upper 70s. 30 percent chance for afternoon/evening showers/thunderstorms with a couple hundredths an inch rainfall with higher amounts possible in thunderstorms. Thursday night, cloudy with a 90 percent chance for showers with around 1/2 inch or so precipitation expected. Low near 60 with south wind 5 to 10 mph.

Friday, July 12
Cloudy with a 90 percent chance for showers and afternoon/evening thunderstorms. Rainfall totals between 1/4 and 1/2 inch possible with locally heavy downpours and higher amounts possible. High near 70 with south/southwest wind 5 to 10 mph. Friday night, mostly cloudy with a 50 percent chance for showers. Low near 60 with southwest wind 0 to 7 mph.

Saturday, July 13
Mostly cloudy in the morning then partly sunny in the afternoon with a 40 percent chance for showers. High near 80 with west wind 0 to 7 mph. Saturday night, partly cloudy with a 30 percent chance for showers. Low near 60 with southwest wind 0 to 7 mph.

Sunday, July 14
Partly sunny with a 50 percent chance for showers and afternoon/evening thunderstorms. High in the middle 70s. West wind 0 to 7 mph. Sunday night, partly cloudy with a slight chance for showers. Low in the upper 50s. Northwest wind 0 to 7 mph.

Monday, July 15
Partly cloudy with a slight chance for showers. High near 80 with northwest wind 0 to 7 mph. Monday night, partly cloudy with a low near 60. West wind 0 to 7 mph.

Tuesday, July 16
Partly cloudy with a high in the mid-80s. Light southwest wind. Tuesday night, partly cloudy with a slight chance for showers. Low in the lower 60s with west wind 0 to 7 mph.

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.

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