01/04 – Brantly’s “Chilly Morning, Mild Afternoon” Monday Forecast

High pressure will remain in place providing dry weather through Wednesday afternoon. Highs today and Tuesday will be 60 to 65, and lows tonight range from around 40 well inland to the mid 40s at the coast.

Dry conditions will come to an end as the next system approaches the area from the west. By Tuesday night, upper level ridging will be centered over the area and will quickly progress east in advance of an approaching trough over the Dakotas. Southwesterly flow will increase allowing for some moisture to return on Wednesday as the upper trough digs south into Missouri. Overall quality of deep layer moisture will be lacking though due to the short period of return flow and the fact that the last few systems have pushed deep layer dry air all the way through the Gulf.

At the surface, a cold front will approach from the west as a surface low develops over northern Louisiana. As the system approaches, showers and a some moderate rain will develop ahead of the front and move into the area from west to east. The best rain chances will begin overnight Wednesday night. Given the lack of moisture and heating, instability will be near zero and no thunderstorms are expected.

Temperatures will be cool on Tuesday night  and drop into the low 30s inland and mid to upper 30s at the coast. Highs on Wednesday will be warmer but could be limited by increasing cloud cover. Highs will hover in the low 60s. Rain, clouds, and increasing surface moisture ahead of the front will keep temperatures in the 40s on Wednesday night across the area.

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