Apex Weather

St. John Valley weather for June 10-16, 2020

Short-Term Outlook: Wednesday – Friday

High pressure over the Canadian Maritimes will provide one more day of mild weather to the Valley this Wednesday. High-pressure will move east as the day progresses. Meanwhile, the remnants of Cristobal will lift towards James Bay in Canada then track across northern Québec Thursday and Friday drawing a cold front towards the region Thursday with increasing chances for showers tonight into Thursday morning along with a slight chance for thunderstorms overnight, particularly in the North Woods/Allagash regions. 

Showers are likely for Fort Kent and surrounding locations Thursday afternoon along and ahead of the front under cloudy-to-mostly cloudy skies. Showers continue into the overnight hours before tapering off after midnight as the front moves east of the region. Some areas of fog will be possible after midnight Thursday. High-pressure builds in Friday with partly cloudy-to-partly sunny skies and warm temperatures. Chances for shower activity increase in the afternoon and evening as another cold front approaches and moves through bringing a slightly cooler air mass for the weekend.

Today & Tonight
Mostly clear early then increasing clouds in the afternoon with a slight chance for showers. High in the middle 70s with south winds increasing to 10 to 15 mph in the afternoon. Gusts to around 25 mph are possible across open areas and higher terrain.

Overnight, partly cloudy with a low in the lower 50s and a 40 percent chance for showers and a slight chance for thunderstorms after midnight. Rainfall amounts between 1/100 and 1/10-inch expected. South winds 10 to 15 mph.

Thursday, June 11
Cloudy with a 60 percent chance for showers. Rainfall amounts between 1/100 and 1/10-inch expected. High in the low 70s with south winds 10 to 15 mph. Some gusts 25 to 30 mph possible, especially over open areas and higher elevations.

Thursday night, partly cloudy with a 50 percent chance for showers ending after midnight. Little precipitation anticipated. Some areas of fog possible. Low in the mid-50s with southwest winds 5 to 10 mph with gusts to 20 mph possible.

Friday, June 12
Partly cloudy-to-partly sunny with a 20 percent chance for showers in the afternoon/evening. High in the mid-70s. Southwest winds 10-15 mph with gusts to 20 mph.

Friday night, partly cloudy with a 20 percent chance for showers. Low in the mid-to-upper 40 with west winds 0 to 5 mph.

Medium-Range: Saturday – Tuesday

Current models show an upper-trough influencing the Valley’s weather through early next week as it slowly moves across the region with a cut-off upper-low developing to the south of the area sometime during that period. Surface high-pressure will bring generally partly cloudy skies are with a chance for showers Saturday through Tuesday with the trough producing a slight chance for showers Saturday through Monday. Tuesday looks drier with partly cloudy skies and warm temperatures as southerly flow sets up across the Valley.

Saturday, June 13
Partly sunny with a 20 percent chance for showers. High in the mid-60s with northwest winds 5 to 10 mph.

Saturday night, mostly cloudy with a 20 percent chance for showers. Low in the mid-40s with north winds 0 to 5 mph.

Sunday, June 14
Partly cloudy with a 20 percent chance for showers. High in the low 70s. Northeast winds 0 to 5 mph.

Sunday night, partly cloudy with a 20 percent chance for showers. Low in the middle 40s with east/northeast winds 0 to 5 mph.

Monday, June 15
Partly cloudy with a 20 percent chance for showers. High in the mid-70s with south winds 0 to 5 mph.

Monday night, partly cloudy with a slight chance for showers. Low in the lower 50s with southwest winds 0 to 5 mph.

Tuesday, June 16
Partly cloudy and warm with a high in the low 80s. Slight chance for showers. Southwest winds 0 to 5 mph.

Tuesday night, partly cloudy with a slight chance for showers. Low in the low 50s with southwest winds 0 to 5 mph.

Regional Long-Range Trends: Wed. June 17 – Tue. June 23

Slightly above normal temperatures and 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.

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