Cold open to the weekend but ends milder; two cold fronts before Christmas

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SCATTERED SNOW SHOWERS

A few flurries have dotted the area early Friday as well as a couple of snow showers.  While most of the day has been partly cloudy, snow showers are still in the forecast through 12 AM.  Reinforcing cold air is arriving and bringing the chance of snow showers with it.  Mainly north of I-70 through midnight and most likely targeting north central Indiana per latest forecast radar.

Latest HRRR Central Indiana Composite Radar Snow ONLY

BRACE FOR THE COLD

Early morning shoppers Saturday take note.  The wind chill will have a bite!  Brisk winds combined with air temperatures near 20° will produce a wind chill in the lower teens around sunrise.

ADI 18z RPM 4km Wind Chill

WEEKEND ENDS MILDER

A southerly breeze and approaching warm front will bring clouds and eventually milder air into the state by Sudnay afternoon and evening.  Clouds could thicken and produce some sprinkles/drizzle along with some fog.  A temperarue rise through the night is forecast leading to mild Monday morning commute.  The best chance of rain will arrive y Monday morning.

Regional 18z RPM 4km-12km 72hr

TWO COLD FRONTS BEFORE CHRISTMAS

A white Christmas is not in the cards for 2015 but we are still holding out for the potential of a few flurries Thursday night.  The first of two cold fronts will pass Monday and the second Thursday – Christmas Eve Day.  With colder air dropping in behind the front Thursday night, a few flurries could drift by.  The chance is slim but a trend that has been set for several days.  While long range models have been as far apart as possible for Christmas Day temperatures, they are continuing to find better agreement as noted yesterday here in my blog.  Currently the Christmas Day forecast is a fairly Sunny day to start and chilly, rebounding back to the upper 40s by afternoon.

Worth noting – at one point earlier in the week, long range forecasts differed by as much as 25 degrees for the hihg temperatures on Christmas.

Christmas Eve weather map. Colder air moves in behind a early morning cold front.

Christmas Eve weather map. Colder air moves in behind a early morning cold front.

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