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First Alert Forecast: Chilly tonight with frost possible, warming trend begins Tuesday.

Updated: Dec. 7, 2020 at 4:50 PM CST
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LAKE CHARLES, La. (KPLC) - Clear skies and calm winds will allow temperatures to fall rapidly tonight with lows by Tuesday morning reaching the 30s in many areas. Frost is likely in all areas north of I-10, and possible as far south as the Intracoastal Waterway in some areas. Temperatures by Tuesday morning will range from the low 30s north of I-10 to the upper 40s at the coast.

First Alert Forecast
First Alert Forecast(KPLC)

Southerly winds will return Tuesday afternoon or early Wednesday, and that means a warming trend will get underway. Temperatures during the day Tuesday will top out in the mid 60s and then the upper 60s by Wednesday. Morning lows will be a bit warmer too with Wednesday morning bringing low to mid 40s.

Skies are expected to remain clear through Thursday, though moisture will begin to return Thursday and some high thin clouds could stream across the area anytime. Temperatures will be noticeably warmer Thursday with lows in the upper 40s to low 50s, but the afternoon highs will likely reach the low 70s!

A cold front will approach the area on Friday, and this means rain will return to the forecast. Showers will be most likely late Friday into the overnight hours. Scattered showers and possibly a few thunderstorms will be around, and the rain chance is 60%. Temperatures will start off in the mid to upper 50s with highs in the low 70s.

First Alert Forecast
First Alert Forecast(KPLC)

For now, I am keeping the forecast for the weekend dry though that will depend on the speed of the front Friday night. It is possible we could see clouds lingering well into the day Saturday and not impossible that a few showers could still be round early in the day. But the chance is low, so I am officially leaving rain off of the 10 day forecast and will only carry a 10% chance of rain. Please monitor our forecast for updates on this in case anything changes between now and then.

Temperatures will be slightly cooler behind the front with Saturday being a bit warmer than Sunday. Saturday will begin with lows in the 50s, though the low for the day could occur later that night as cooler air moves in. Afternoon highs will reach the upper 60s Saturday, but only the low 60s Sunday. Sunday will begin with lows in the upper 30s to low 40s and some frost is possible north of I-10.

We will start next week with a better chance of frost as lows will be similar to tonight with 30s as far south as the I-10 corridor. Another warming trend will get underway late Monday, while the next front may arrive late next week.

Chief Meteorologist Wade Hampton

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