St. John Valley weather for Oct. 17-23, 2018

A strong cold front will move through Wednesday bringing much colder temperatures to the Valley. Rain showers Wednesday change over to snow showers Wednesday night and Thursday with less than one inch, if any, accumulation expected. Blustery northwest winds return to the Valley Thursday before diminishing Thursday night. High pressure brings a brief respite through Friday afternoon before clouds increase as another frontal system approaches brining showers Saturday. Showers taper off Sunday morning with high pressure building in with partly sunny/partly cloudy skies through Tuesday.

Daily Weather Summary

Wednesday, October 17: High: 45. Low: 28.
Becoming cloudy with a 60 percent chance for showers with between one and two-tenths inch rainfall possible. South winds 5 to 10 mph become westerly 5 to 10 mph this evening. Overnight, mostly cloudy to overcast with a 40 percent chance for snow showers with between 0.01 and 0.03 inch liquid equivalent and a trace of snow possible overnight. West/northwest winds increase to 15 to 20 mph early Thursday.

Thursday, October 18: High: 35. Low: 22.
Mostly cloudy in the morning then becoming partly cloudy in the afternoon with a 40 percent chance for snow showers. A couple hundredths an inch liquid equivalent with a trace of snow possible. Northwest winds 20 to 30 mph gusting 35 to 45 mph at times. Wind chill values as cold as 15 above. Wind advisory in effect from 6 am to 6 pm ET. Thursday night, partly cloudy and very cold with lows in the lower 20s. Northwest winds become westerly after midnight and diminish to 0 to 5 mph.

Friday, October 19: High: 44. Low: 36.
Partly cloudy and cold with south winds 10 to 20 mph gusting to 30 mph across higher terrain. Chance for showers 30 percent with around 0.01 inch expected. Friday night, mostly cloudy with a 70 percent chance for showers. South winds 0 to 7 mph expected.

Saturday, October 20: High: 48. Low: 33.
Cloudy skies with showers are expected Saturday as a cold front moves through. Chance for precipitation 50 percent. South winds 8 to 14 mph. Saturday night, mostly cloudy with a 40 percent chance for showers mixing with snow showers early Sunday. West winds 8 to 14 mph.

Sunday, October 21: High: 40. Low: 25.
Mostly cloudy early then partly sunny in the afternoon. Northwest winds 8 to 14 mph. Sunday night, partly cloudy and cold with northwest winds 8 to 14 mph.

Monday, October 22: High: 38. Low: 25.
Partly cloudy and cold with west winds 8 to 14 mph. Monday night, partly cloudy and cold with southwest winds less than 8 mph.

Tuesday, October 23: High: 40. Low: 28.
Partly cloudy and cold with south winds 0 to 7 mph. Slight chance for showers in the evening. Mostly cloudy overnight with 20 percent chance for precipitation. Northwest winds less than 8 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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