St. John Valley weather for July 22-28, 2020
Short-Term Outlook: Wednesday – Friday
High pressure is centered over the Valley this morning and will move east as the day progresses. High clouds ahead of an approaching warm front will bring partly cloudy skies today with mostly cloudy to overcast skies tonight and increasing chances for showers across Fort Kent and surrounding areas.
Some patchy fog is possible overnight thanks to nearly calm winds. Instability aloft will allow for a slight chance for thunderstorms along with shower activity Thursday morning. Showers are expected to continue through the afternoon under mostly cloudy skies. Precipitation tapers off Thursday night as the upper-level trough moves through the region from the west and high pressure builds in behind. Partly cloudy skies develop Thursday night with mostly clear skies across the SJV Friday and Friday night.
Today & Tonight
Partly cloudy with a slight chance for scattered afternoon showers. Little rainfall expected. High around 79°F with west winds 0 to 5 mph become south/southeast in the late afternoon/evening.
Overnight, increasing clouds in the evening then becoming cloudy with a 50 percent chance for showers and some patchy fog. Rainfall amounts expected between 1/4 and 1/2-inch. Low near 59°F with winds becoming east/northeast winds near calm.
Thursday, July 23
Mostly cloudy with a 50 percent chance for showers and a slight chance for thunderstorms in the morning. Rainfall totals expected around 1/10-inch. High around 75°F with east/northeast winds 0 to 5 mph.
Thursday night, partly cloudy with a slight chance for showers in the evening. Low near 56°F with north/northwest winds 0 to 5 mph.
Friday, July 24
Mostly sunny with a high around 82°F. West/northwest winds 0 to 5 mph.
Friday night, mostly clear with a low near 59°F. West winds 0 to 5 mph.
Medium-Range: Saturday – Tuesday
Partly cloudy skies develop Saturday as high pressure continue to spread across the Valley. A front to the north drops down across the region with a chance for showers along with a chance for thunderstorms, especially Sunday afternoon. The front sags into central Maine and stalls out there with partly sunny skies Monday and a continued chance for showers. A front approaches from the west Tuesday with increased clouds and showers likely, especially Tuesday afternoon into the evening hours with mostly cloudy skies and showers Tuesday night.
Saturday, July 25
Partly cloudy in the morning then partly sunny with a slight chance for showers in the evening. High in the middle 80s with west winds 5 to 10 mph.
Saturday night, becoming mostly cloudy with a 50 percent chance for showers. Low in the lower 60s with southwest winds 0 to 5 mph.
Sunday, July 26
Mostly cloudy to overcast with a 60 percent chance for showers, especially in the afternoon along with a chance for afternoon thunderstorms. High in the upper 70s with west winds 5 to 10 mph.
Sunday night, mostly cloudy with a 40 percent chance for showers. Low in the low 60s with northwest winds 0 to 5 mph.
Monday, July 27
Partly sunny with a 40 percent chance for showers. High in the upper 70s with north winds 5 to 10 mph.
Monday night, partly cloudy with a 50 percent chance for showers. Low near 60°F with southwest winds 0 to 5 mph.
Tuesday, July 28
Mostly cloudy with a 60 percent chance for showers, especially in the afternoon. High in the mid-70s with southeast winds 5 to 10 mph.
Tuesday night, mostly cloudy with a 50 percent chance for showers. Low in the upper 50s with southeast winds 0 to 5 mph.
Regional Long-Range Trends: Wed. July 29 – Tue. Aug. 4
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.