Though slightly warmer, more of the same weather is ahead for Tuesday. The middle of the week will bring a slim chance at rain chances in what has become a very dry region.

THE FORECAST:

Today and Tonight: Tuesday will be mainly sunny with high temperatures in the low 70s. Winds will be light and easterly. Overnight, low temperatures will be in the upper 50s. If some clouds develop, fog formation is not expected, however, if clear skies remain, some patchy fog is possible by Wednesday morning.

Up Next: A weak, slow-moving storm system will bring isolated showers to the region on Wednesday and Thursday. Prior to the passage of an associated cold front, the two days should be unseasonably mild with highs in the mid 70s and lows in the upper 50s. A cold front will clear the area on Thursday night, ending rain chances and returning sunny and seasonable weather for the upcoming weekend. Should rain fail to fall at Metro Airport in Baton Rouge, the area will complete one of its top 10 driest fall seasons on record.

We'll see if a little mid-week rain knocks 2017 out of the top 10 for driest fall, don't count on it | #BatonRouge pic.twitter.com/PBKmWQKPrN

— Josh Eachus (@JoshEachus) November 27, 2017

The Tropics: The Atlantic Basin is quiet; no tropical development is expected over the next 5 days. The official hurricane season ends on Thursday.  

THE EXPLANATION:

Dry air will warm rather efficiently as has been the case of late, so expect low to mid 70s on Tuesday. A potent shortwave trough will move quickly east out of the Four Corners into the Southern Plains. The trough will then slow eastward progress is it slides toward the Mid-Mississippi River Valley by Wednesday morning. Low level moisture return is expected to bring an increase in clouds by late Tuesday night. If clouds are slow enough to arrive then some fog development is possible on Wednesday morning. Then, there will be a slight chance of showers along and north of I-10 with higher chances along the coast and into the Gulf. Shower chances will continue on Thursday ahead of an approaching front. These increased rain chances will be due to a combination of the passing shortwave trough and possibly a secondary, weaker fast moving upper disturbance. Any rain amounts are expected to be light. A rather amplified upper level pattern is expected to develop during the period with a deep trough over the west coast and a ridge trying to build over the central Gulf Coast. Surface high pressure is also expected to build over the region after a cold frontal passage by Thursday night. Then, no rain is in the forecast Thursday night through Sunday. Temperatures are expected to remain fairly close to the seasonal normals.

--Josh

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