Apex Weather

St. John Valley weather for March 10-17, 2021

Short-Term Outlook: Wednesday – Friday

High pressure will move east of the region today while a cold front approaches from the west. Mostly cloudy skies are expected through the day.

 

Overcast skies develop this evening as the cold front moves closer with a chance for rain showers overnight changing to snow showers early Friday as colder air moves in. A secondary cold front will usher in Arctic air with temperatures falling tomorrow afternoon into the middle teens overnight. West/northwest winds Friday and Saturday will gust into the 25- to 35-mph range as high pressure builds east from the Northern Plains/Upper Mississippi Valley Saturday.

Thursday, March 11

Cloudy with a 20 percent chance for rain showers in the morning. Precipitation totals less than 1/10th inch. High around 51 degrees with south winds 5 to 10 mph.

Tonight, mostly cloudy with a 60 percent chance for rain showers. Precipitation totals between 1/100th and 1/10th inch. Low near 35 degrees with south/southwest winds 5 to 10 mph increasing to 10 to 15 mph after midnight.

Friday, March 12
Mostly cloudy with a 30 percent chance for snow showers in the morning. Precipitation totals less than 1/10th inch with little, if any, snow accumulation. High around 40 degrees with west winds 15 to 20 mph with gusts around 25 to 30 mph possible.

Friday night, partly cloudy and breezy with a 30 percent chance for snow showers. Precipitation totals less than 1/10th inch with little, if any, snow accumulation. Low near 16 degrees with west/northwest winds 10 to 15 mph gusting 25 to 30 mph.

Saturday, March 13

Partly cloudy and windy with a 5 percent chance for snow showers in the morning. High around 24 degrees with northwest winds 15 to 20 mph gusting around 25 to 30 mph. Wind chill values 5 to 10 degrees above zero.

Saturday night, partly cloudy with a 30 percent chance for snow showers. Low near 9 degrees with northwest winds 5 to 10 mph.

Medium-Range: Sunday – Wednesday

A trough moves across the region Sunday with snow showers expected through the day. High pressure continues to build east Monday while snow showers diminish across the Valley Monday morning. Partly cloudy skies are expected Tuesday and Wednesday along with breezy winds as high pressure builds into the area. High pressure moves east Wednesday with moderating temperatures as southwesterly flow develops across the SJV.

Sunday, March 14

Partly sunny in the morning then becoming mostly cloudy in the afternoon with a 30 percent chance for snow showers. High near 24 degrees with northwest winds 10 to 15 mph.

Sunday night, becoming partly cloudy with a 30 percent chance for snow showers. Low near 0 degrees with northwest winds 10 to 15 mph.

Monday, March 15

Partly sunny with a 20 percent chance for snow showers, mainly in the morning. High around 15 degrees with northwest winds 10 to 15 mph.

Monday night, partly cloudy with low around 0 degrees. Northwest winds 5 to 10 mph.

Tuesday, March 16

Partly cloudy with a 10 percent chance for snow showers. High near 23 degrees with northwest winds 5 to 10 mph.

Tuesday night, partly cloudy with a 10 percent chance for snow showers. Low near 8 degrees with west winds 5 to 10 mph.

Wednesday, March 17

Partly cloudy with a 10 percent chance for precipitation. High near 32 degrees with southwest winds 5 to 10 mph.

Wednesday night, partly cloudy with a 30 percent chance for snow showers. Low around 15 degrees with west winds around 5 mph.

Regional Long-Range Trends Thu. Mar. 18 –  Wed. Mar. 24

Above normal temperatures  /  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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