Apex Weather

St. John Valley weather for June 23-29, 2021

Short-Term Outlook: Wednesday –  Friday

Mostly sunny to partly cloudy skies overspread the Valley today as high pressure to the west builds into the SJV. Temperatures will be comfortable with lower humidity levels.

Cool conditions are expected tonight as mostly clear skies and light winds allow temperatures to fall into the upper 30s to lower 40s west to east across the North Woods and SJV.

High pressure will move east of the area Thursday with mostly sunny skies and warmer temperatures as south/southwesterly flow sets up behind the ridge pushing daytime highs into the mid-to-upper 70s for most Valley locations. Mostly clear skies lows in the lower 50s are expected Thursday night.

Partly cloudy skies develop Friday as high pressure moves east. There is a slight chance for showers after midnight Friday night as a low pressure area and cold front begins to push towards the region from the Great Lakes. 

Today & Tonight

Mostly sunny in the morning and partly cloudy in the afternoon with a high around 66. Northwest winds 5 to 10 mph.

Tonight, clear with a low near 40. Patchy fog possible. Southwest winds near calm.

Thursday, June 24

Mostly sunny with a high around 78. South winds 5 to 10 mph.

Mostly clear with a low around 53. South winds 0 to 5 mph. 

Friday, June 25

Partly cloudy with a 10 percent chance for isolated afternoon showers. High near 79 with south winds 5 to 10 mph.

Friday night, partly cloudy with a 30 percent chance for scattered showers. Low around 59 with south winds 0 to 5 mph.

Medium-Range Outlook: Saturday -Tuesday

Saturday will feature mostly cloudy skies and a chance for showers through the day. Humidity increases Saturday night with showers likely after midnight. 

Cloudy skies are expected Sunday and Monday with showers likely along with a chance for scattered afternoon thunderstorms both days as the cold front slowly approaches the region. Southwesterly flow will inject moisture into the region causing dew points to rise and humidity levels to increase. Showers are likely Tuesday as the cold front is poised to cross the SJV.

Saturday, June 26

Mostly cloudy with a 50 percent chance for showers. High around 81 with south winds 5 to 10 mph.

Saturday night, mostly cloudy with a 60 percent chance for showers. Low around 65 with south winds 0 to 5 mph.

Sunday, June 27

Mostly cloudy with showers likely and a chance for afternoon thunderstorms. High near  80 with southwest winds 5 to 10 mph.

Sunday night, mostly cloudy with a 60 percent chance for showers and isolated thunderstorms. Low around 64 with southwest winds 0 to 5 mph.

Monday, June 28

Cloudy with rain likely and a 70 percent chance for afternoon thunderstorms. High near 82 with southwest winds 5 to 10 mph.

Monday night, mostly cloudy with a 60 percent chance for showers. Low near 64 with southwest winds 0 to 5 mph.

Tuesday, June 29

Cloudy with showers likely. Chance for precipitation 70 percent. High near 80 with southwest winds 5 to 10 mph.

Tuesday night, mostly cloudy with a 60 percent chance for showers. Low around 62 with southwest winds 0 to 5 mph.

Long-Range Trends: Wed. June 30 –  Tue. July 6
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.

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