Brief wintry mix possible Tuesday before change to rain

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MIFFLIN County under a WINTER WEATHER ADVISORY_ TUES from 5am to noon. This is for the possibility of freezing rain & light snow which could make traveling in the area very difficult. Temperatures are expected to rise and change the wintry mix to all rain.

Winter Weather Advisory


High pressure slips east and allows for the winds to shift out of the south-southwest which in turn will pull in more moisture ahead of an approaching frontal system.  The skies remain clear for part of the overnight before they start to increase, lower and thicken towards morning.  That will allow temps to dip into the 20s.   The precipitation arrives just before sunrise in the west and could start out as a period of snow then freezing rain since in the upper levels there will be a quick warm up above freezing but not at the surface.  Temps at the surface will take a bit longer to warm.  Until they do there will be a period of snow, freezing rain before a change over to rain. The rest of the area further east could briefly start out as a mix but quickly change to rain.  By the time the moisture hits our eastern counties late morning, temps should be at or above freezing.


Models are agreeing there could be a period of snow as well.  Confidence is low as to how much snow or ice is possible for parts of the area before a change over to rain.  We’ll keep an eye on things as new data is produced.  Right now the only advisory is for Mifflin County.  Most of the area should see a period of rain once temps warm up.  The front looks to get by us by late afternoon.

Futurecast Image


Behind the front we dry out for Wednesday and Thursday but the winds will pick up out of the northwest providing a shot of colder brisk air.  Highs will be running below average in the mid to upper 30s under mostly sunny skies.


Another system on Friday will provide a wintry mix to the area.  Highs will be in the mid to upper 30s.  As the week continues will fine tune the details of the storm.


A look ahead shows milder air and a return to the 40s next weekend and early next week!!!

Enjoy the evening.

MaryEllen Pann, Chief Meteorologist

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