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St. John Valley weather for Aug. 29-Sept. 4, 2018

A cold front will push through the Valley Wednesday with showers and thunderstorms, with some isolated severe thunderstorms possible. Cooler, drier air builds in behind the front with high pressure controlling the region’s weather Thursday through Saturday night. A cold front approaches and brings a chance for showers Sunday evening into the overnight period. Partly cloudy to mostly clear skies are expected Labor Day and Tuesday.

Daily Weather Summary

Wednesday, August 29: High: 68. Low: 56.

Day: Cloudy with a 70 percent chance for showers and afternoon/evening thunderstorms. Precipitation totals between one-quarter and one-half inch possible with locally higher amounts. South/southeast winds 0 to 5 mph. Night: Mostly cloudy in the evening with a 70 percent chance for showers tapering off after midnight with some clearing. Northwest winds around 5 mph.

Thursday, August 30: High: 67. Low: 48.

Day: Partly sunny in the morning then partly cloudy to mostly clear in the afternoon/evening with lower humidity. Northwest winds 5 to 10 mph. Night: Mostly clear and cool with light northwest winds expected.

Friday, August 31: High: 71. Low: 50.

Day: Mostly clear and mild. Light east winds. Night: Mostly clear and cool with light southeast winds

Saturday, September 1: High: 73. Low: 54.

Day: Mostly clear with light south winds. Night: Becoming partly cloudy with light south winds.

Sunday, September 2: High: 74. Low: 55.

Day: Partly cloudy in the morning then partly sunny with a 30 percent chance for showers in the afternoon/evening. Light southwest winds. Night: Mixture of stars and clouds with a 40 percent chance for showers. Light west winds.

Monday, September 3: High: 76. Low: 55.

Day: Partly sunny with a 20 percent chance for showers. Light northwest winds. Night: Becoming mostly clear with light northwest winds.

Tuesday, September 4: High: 77. Low: 56.

Day: Partly cloudy with light southwest winds. Night: Partly cloudy with a 20 percent chance for showers in the evening. Light south winds.

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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