St. John Valley weather for Dec. 1-7, 2021
Three-Day Outlook: Wednesday – Friday
A warm front lifting across the region this morning will lead to increasing clouds with snow overspreading the area later this morning. A cold front will move through this afternoon with snow likely for a period before tapering off behind the front this evening with overnight lows occurring relatively early around midnight.
Partly to mostly cloudy skies are expected overnight with clouds increasing Thursday morning as low pressure north of the Great Lakes tracks towards the Saint Lawrence Valley.
A warm front ahead of the system will bring snow tomorrow morning followed by rain in the afternoon with a rain/snow mix in the evening tapering to snow showers overnight. Snowfall totals are expected to be light from this system.
Mostly cloudy skies Friday morning give way to partly cloudy skies in the afternoon. Breezy northwest winds are expected as an Arctic air mass moves down from Canada and settles across the Valley for the weekend.
Today and tonight
Mostly cloudy to overcast with a high around 31 degrees. 70 percent chance for snow with ess than 0.10-inch precipitation and 1-inch snow accumulation expected. South 6-9 mph.
Wednesday night, partly cloudy with a 20 percent chance for snow. Low near 16 degrees. South-southwest winds 3-4 mph become southeast overnight.
Thursday, Dec. 2
Cloudy with a chance for snow in the morning changing to rain in the afternoon. Chance for precipitation 90 percent with precipitation totals in the 0.10-inch range and less than 1-inch snowfall possible. High near 37 degrees. Southeast winds 9-11 mph becoming south in the afternoon.
Thursday night, cloudy with an 80 percent chance for rain/snow mix in the evening. Precipitation totals in the 0.10 to 0.25-inch range. Low near 25 degrees. South-southwest winds 5-10 mph.
Friday, Dec. 3
Mostly cloudy and breezy with a 40 percent chance for snow showers that end in the afternoon. Less than 0.10-inch precipitation expected. High around 30 degrees near midnight with temperatures falling through the day. Northwest winds 11-16 mph gusting 25-30 mph in the afternoon.
Friday night, partly cloudy with a 10 percent chance for snow showers. Low near 8 degrees. West winds 8-14 mph.
Four- to seven-day outlook: Saturday – Tuesday
Partly cloudy skies are expected Saturday through Sunday morning as high pressure remains across the region. Clouds increase Sunday evening as a low pressure system approaches the Valley; however, the exact track and precipitation types remain uncertain due to forecast model variations. Currently, snow with a period of rain/snow mix Monday afternoon is currently expected. Snow is likely overnight into early Tuesday before tapering to snow showers that linger through the day Tuesday.
Saturday, Dec. 4
Partly cloudy with a 10 percent chance for snow showers. High near 19 degrees. West winds 0-7 mph.
Saturday night, partly cloudy with a 10 percent chance for snow showers. Low around 0 degrees. West winds 0-7 mph.
Sunday, Dec. 5
Partly cloudy with partly sunny skies developing in the afternoon. 20 percent chance for snow showers in the afternoon. High near 19 degrees. West winds 0-7 mph.
Sunday night, mostly cloudy with a 50 percent chance for snow. Low near 10 degrees. South winds 0-7 mph.
Monday, Dec. 6
Mostly cloudy early then becoming cloudy in the afternoon with a 60 percent chance for snow in the morning mixing with rain in the afternoon. High around 33 degrees. Southeast winds 0-7 mph.
Monday night, cloudy in the evening then becoming mostly cloudy overnight with a 60 percent chance for snow. Low around 15 degrees. West winds 8-14 mph.
Tuesday, Dec. 7
Mostly cloudy with a 40 percent chance for snow showers. High near 23 degrees with west winds 0-7 mph.
Tuesday night, mostly cloudy with a 30 percent chance for snow showers. Low near 11 degrees with west winds 0-7 mph.
Climate Prediction Center eight- to 14-day trends
Wednesday, Dec. 8 – Tuesday, Dec. 14 Above 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.