First Frost of the Season?

Good evening!

What a beautiful day it was across much of Kentucky!  We climbed to 68 degrees here in Bowling Green, with only a few clouds in the sky.  No doubt it’s sweater season though, as it was a chilly start in the early morning hours.  More of that is likely to come over the next week!

In fact, as the 21z RAP model here tries to illustrate, tomorrow morning could come with temperatures cold enough for frost to form.  The NWS has even issued a frost advisory; here it is-

Lows across southern Indiana and the Bluegrass
  region of Kentucky are expected to drop to 30-35 degrees by
  daybreak Thursday. Lows across much of the rest of Kentucky are
  expected to drop into the 32-37 degree range, which is cold
  enough for frost development.

With that being said, get those plants susceptible to cold weather indoors or covered!  And as we look towards the longer range, there are even more chances for colder temperatures.  Fall is really here, folks!

Above is the 18z run of the GFS model.  This really only gives us a general idea of what the upcoming pattern could be like!  However, watching those darker blues dip into our general area a few times (especially towards the end) makes me want to go get a glass of piping hot cocoa.  Of course, Florida is really the only state staying warm through this pattern.

Since colder temperatures are coming, when will that first freeze be?  Sunday could be close.  Right now, it is forecast to dip into the lower 30s before dawn on Monday morning.  There will likely be a light freeze across some of the more rural areas in Kentucky, and could even be so in Bowling Green.  No doubt about it, it’s time to keep that sweater on hand.  And hang on to those umbrellas too- chances are increasing on Friday for rain showers, but should clear up in time for the WKU vs. Old Dominion football game.  Stay tuned for up to date information on Friday’s rain chances!


Tonight: Frost Advisory in effect, low of 37 degrees with clear to partly cloudy skies

Tomorrow: High of 58, clear to partly cloudy skies

Tomorrow night: Cold again, low of 39 degrees with clear skies


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