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Coldest temps of the season possible this week

Posted at 12:22 PM, Jan 18, 2020
and last updated 2020-01-18 12:22:38-05

After starting the year with temps well above average, a significant pattern change is about to occur with the jet stream taking a big dip over the eastern US and ridging aloft across the west coast. This dip in the jet will allow colder air to spill southward into Florida, beginning Monday, Martin Luther King Day through mid-week. Temperatures will only reach around 70 on Monday, with only 60s expected on Tuesday and Wednesday. The coldest nights will be Monday and Tuesday night, where temps will drop into the 40s. Some of the typical colder spots such as Immokalee and Arcadia could drop into the 30s with some frost potential, depending on wind speeds and cloud cover overnight Tuesday into Wednesday morning.

At this time, the GFS American model is warmer than the European model for Wednesday morning, but both agree with widespread 40s, with some areas dropping into the 30s well away from the coast. Temperatures will begin rebounding later in the week ahead of another storm system, which will arrive Friday night into Saturday.