Apex Weather

St. John Valley Weather for Monday, Feb. 20-Sunday, Feb. 26, 2017

ST. JOHN VALLEY, Maine — High pressure will move across the Valley Monday into Tuesday with partly cloudy to clear skies and cold low temperatures across the region Monday night. Southerly flow sets up as the high pressure moves east Tuesday with clouds increasing ahead of a warm front approaching from the southwest.

Light snow and snow showers are expected Tuesday night into Wednesday morning with some rain showers possible Wednesday afternoon as temperatures climb into the upper 30s across the area. A weak area of low pressure passes by to the north Thursday with some snow and afternoon/evening rain showers as daytime temperatures climb towards the 40 degree mark.

Yet another low pressure lifts northwest of the region Friday night and Saturday with a chance for freezing rain and rain Saturday ending with a period of snow and snow showers Sunday morning as colder air wraps around behind the departing low.

Daily Weather Summary

Monday, February 20: High: 24 degrees; low: -11 degrees.

Partly cloudy to mostly clear and cold. North to northwest winds around 15 mph fall to near calm overnight.

Tuesday, February 21: High: 29 degrees; low: 21 degrees.

Partly cloudy skies become overcast in the evening with a 30 percent chance for snow and snow showers. Becoming mostly cloudy early Wednesday with snow showers possible. South to southeast winds around 5 mph.

Wednesday, February 22: High: 36 degrees; low: 26 degrees.

Mostly cloudy skies with a 30 percent chance for snow showers in the morning and rain showers in the afternoon. South winds around 5 mph becoming southwesterly in the evening.

Thursday, February 23: High: 38 degrees; low: 20 degrees.

Mostly cloudy with a 50 percent chance for snow showers in the morning and rain showers in the afternoon and evening. A 30 percent chance for rain and snow showers overnight. South winds become northwesterly less than 8 mph.

Friday, February 24: High: 30 degrees; low: 18 degrees.

Considerable cloudiness in the morning with partly cloudy/partly clear skies in the afternoon/evening. Chance for precipitation is 10 percent increasing to 50 percent overnight with snow showers possible overnight. Light northwest winds become easterly.

Saturday, February 25: High: 29 degrees; low: 19 degrees.

Considerable cloudiness early then cloudy in the afternoon/evening with a 70 percent chance for snow showers and rain/rain showers decreasing to 60 percent chance overnight with snow showers likely overnight. Light east wind becomes southeast at 8-14 mph.

Sunday, February 26: High: 29 degrees; low: 11 degrees.

Mostly cloudy with a 30 percent chance for snow showers. Clearing skies overnight. Light southwest winds less than 8 mph become westerly 8-14 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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