1/7 – Rob Knight’s “Cloudy & Windy” Mid-Morning Forecast

With the front now to the east, wrap around moisture will keep clouds in the area through Friday afternoon. Surface high pressure will build in through the end of the week bringing dry and well below normal temperatures to the forecast area for Friday and Saturday. Low temperatures will likely drop to near or below freezing Friday night/Saturday morning as winds relax and clear skies remain in place in many places along and north of I-10.

The primary forecast concern will be a vigorous upper level low-pressure and associated surface front passing through the area Sunday into Monday.  In advance of this system on Saturday, weak upper level ridging and a fairly dry airmass will continue to reside over the Gulf South. Cooler air will also continue to advect into the region on the back of sustained northerly flow.  As a result, temperatures will be a good 10 to 15 degrees below average with highs only rising into the lower 50s.

Conditions will begin to deteriorate throughout the day on Sunday as an area of low-pressure develops in the NW’tern GOM. Cloud cover should thicken and build down through the day, and expect to see a few showers develop over the Atchafalaya Basin by Sunday afternoon.

Conditions look favorable for a wintry mix of rain, sleet, and snow to impact much of SW Mississippi and south Mississippi.

Temperatures should remain slightly above freezing across the entire area…however these values are borderline enough that a complete changeover to snow could occur for a brief period in Southwest Mississippi early Monday morning before drier air advects in and the precipitation ends.

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