St. John Valley weather, Nov. 22-28, 2023

Joseph E. Becker, Special to The County
11 months ago

3-day outlook: Wednesday, Nov. 22-Friday, Nov. 24

Low pressure will track from the Mid-Atlantic coast to near Cape Cod later today then cross the Gulf of Maine tonight. Snow is likely through the day and into this evening before mixing with rain after midnight as temperatures warm aloft. NWS Caribou has issued a Winter Weather Advisory from 4 am this morning until 6 pm this evening. Mixed precipitation is expected with total snow accumulations between 3 and 7 inches and ice accumulations around a light glaze. 

Temperatures are expected to remain stable through tonight then rise into the upper 30s Thanksgiving Day. Morning snow showers mix with/change to rain showers Thursday afternoon then back to snow showers Thursday evening. Little additional accumulation is anticipated. A cold front moves through late Thursday night into Friday morning producing some snow showers early Friday. 

A large ridge of high pressure over the Dakotas will build east Friday heading into the weekend on brisk northwest winds. Decreasing clouds are expected Friday night with overnight lows falling into the low teens.

Apex Wx Daily Summary 

Today: Cloudy with a 100 percent chance for snow. Snowfall totals around 3-7 inches possible. High around 33. Southeast wind 10-15 mph gusting to around 25 mph.

Tonight: Cloudy with a 90 percent chance for snow mixing with rain after midnight. Snowfall amounts around 1 inch possible. Low near 33. East wind 0-5 mph. 

Thanksgiving : Cloudy with a 50 percent chance for morning snow showers then rain showers in the afternoon changing back to snow showers in the evening. Patchy fog possible. High around 37. Northwest wind mph increasing to 6-8 mph in the afternoon.

Thursday night: Partly cloudy with a 40 percent chance for snow showers in the evening. Low near 23. Northwest wind 8-10 mph. 

Friday: Mostly cloudy early then becoming partly sunny with a high around 26. Northwest wind 10-15 mph with gusts to 23 mph.

Friday night: Partly cloudy with a low near 11. West wind 8-14 mph.

4- to 7-day outlook: Saturday, Nov. 25-Tuesday, Nov. 28 

High pressure builds in Saturday and Sunday. Uncertainty increases for early next week as an oceanic low off the US Southeast coast tracks north and a low pressure system approaches from the Great Lakes. These systems may interact with each other producing snow Monday morning, mixing with rain in the afternoon and evening then changing to snow and tapering to snow showers Tuesday morning with isolated snow showers lingering into Tuesday afternoon. However, details are quite uncertain at this time.

Apex Wx Daily Summary

Saturday: Mostly sunny with a high around 23. West wind 8-14 mph.

Saturday night: Partly cloudy with a low near 16. Southwest wind 8-14 mph.

Sunday: Partly sunny with a high around 34. Southwest wind 8-14 mph.

Sunday night: Mostly cloudy with a 30 percent chance for snow. Low near 23. South wind 8-14 mph.

Monday: Mostly cloudy with a 40 percent chance for snow mixing with rain in the afternoon. High around 36. Southeast wind 8-14 mph.

Monday night: Mostly cloudy with a 50 percent chance for rain/snow in the evening then snow overnight. Low near 24. West wind 8-14 mph.

Tuesday: Mostly cloudy in the morning then partly sunny in the afternoon with a 20 percent chance for snow showers.  High around 29. West wind 8-14 mph.

Tuesday night: Partly cloudy with a 20 percent chance for snow showers. Low near 16. West wind 8-14 mph.

8- to 14-day regional trends: Wednesday, Nov. 29-Tuesday, Dec. 5 

Below normal temperatures / Below normal precipitation

Note: Computer model precision diminishes the further into the week the forecast projects. Check The County.me or the National Weather Service Caribou, ME at for weather updates with more current information for the Saint John Valley.

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.