Apex Weather

St. John Valley weather for April 27-May 3, 2022

3-Day Outlook: Wednesday-Friday

Low pressure in the Gulf of Maine will move to the Bay of Fundy later today and stall out through tomorrow afternoon while it intensifies. The low will then slowly move across Nova Scotia Friday then lift to the northeast and weaken Saturday. Rain is expected across the SJV today through this evening.

Brisk north winds will develop later today and continue through Thursday drawing colder air into the region. Precipitation will change to snow after midnight with snow continuing through the day Thursday and overnight into early Friday. NWS Caribou notes that “some areas in the North Woods could see fairly heavy snowfall rates, especially in higher terrain. Thus, a Winter Weather Advisory has been issued for these areas.”

Based on current data, Valley residents will see around 2 inches accumulation along the Maine/New Brunswick border, 4-6 inches in Fort Kent, Frenchville and vicinity, 6-8 inches in the North Woods and Allagash, and 8-12 inches in far northwest Maine. Over 8 inches are possible in higher elevations with the Katahdin region seeing 12-18 inches based on elevation.

Precipitation tapers to rain and snow showers Friday with lighter accumulations and precipitation expected. As the low moves away Friday night into Saturday, scattered rain and snow showers are expected to wind down by early Saturday morning.

Today & Tonight 

Cloudy with a 100 percent chance for rain. Rainfall totals between 1/4 and 1/2 inch expected. High around 44 degrees. North wind 5-10 mph.

Tonight, cloudy with a 100 percent chance for rain changing to snow after midnight. Precipitation totals between 1/4 and 1/2 inch expected with around 1 inch snowfall. Low near 32 degrees. North wind increasing to 10-15 mph gusting 25-30 mph.

Thursday, April 28

Cloudy with snow likely. Precipitation totals in the 1/10th to 1/4 inch range with around 3 inches of snow accumulation expected. 90 percent for precipitation. High around 37 degrees. North wind 10-15 mph.

Thursday night, mostly cloudy with an 80 percent chance for snow. Low near 31 degrees. Precipitation totals between 1/10th to 1/4 inch. North wind around 10 mph.

Friday, April 29

Mostly cloudy with a 50 percent chance for rain and snow showers. Precipitation totals less than 0.05-inch expected. High around 40 degrees. North wind 11-12 mph gusting 20-25.

Friday night, mostly cloudy with a 30 percent chance for rain/snow showers. Low near 34 degrees. North wind 0-7 mph.

4- to 7-Day Outlook: Saturday-Tuesday

Low pressure will track to the northeast Saturday as a ridge of high pressure shifts east towards New England. Mostly cloudy skies Saturday with isolated precipitation give way to partly sunny skies Sunday followed by mostly clear skies Sunday night into Monday morning. Low pressure and associated fronts approach later Monday with increased cloudiness and rain with a slight chance for morning snow Tuesday.

Saturday, April 30

Mostly cloudy with a 10 percent chance for morning rain/snow showers. High around 44 degrees. North wind 8-14 mph.

Saturday night, mostly cloudy with a 5 percent chance for precipitation. Low near 33 degrees. North wind 0-7 mph.

Sunday, May 1

Partly sunny with a high around 50 degrees. North wind 8-14 mph.

Sunday night, partly cloudy in the evening then mostly clear overnight with a low near 30 degrees. Northwest wind 0-7 mph.

Monday, May 2

Mostly sunny in the morning then becoming partly sunny in the afternoon with a high around 57 degrees. West wind 0-7 mph.

Monday night, partly cloudy with a 30 percent chance for rain after midnight. Low near 35 degrees. Southeast wind 0-7 mph.

Tuesday, May 3

Partly sunny with a 40 percent chance for rain and a slight chance for snow mixing in during the morning. High around 56 degrees. South wind 0-7 mph.

Tuesday night, mostly cloudy with a 30 percent chance for rain. Low near 39 degrees. Northeast wind 0-7 mph.

8- to 14-Day Trends: Wednesday, May 4-Tuesday, May 10

Near normal temperatures / Above 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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