AUSTIN (KXAN) – Low-lying areas of the Hill Country will most likely flirt with freezing cold temperatures, at least briefly, early Friday morning. This happens after a very strong cold front is set to arrive late Wednesday night. This cold front will bring temperatures from the 80s on Wednesday afternoon back down to the 60s on Thursday afternoon – resulting in a temperature drop of 20 degrees.
We typically see our coldest temperatures a few mornings after a cold front passes through, and this front will be no different.
That said, it’s not a guarantee. Friday morning’s low temperatures will largely depend on the wind and cloud cover. Clear skies and calm winds bring colder temperatures, as radiant cooling can best occur. However, models still expect a light breeze, and therefore confidence that temperatures will drop to 32 degrees or colder is still low.
Notice the stronger wind from the Metro to the east (see above). This, combined with the urban heat island effect, will more than likely keep Austin well above freezing. As confidence continues to grow that there will be a frost in Hill Country (first of the season), then the National Weather Service will most likely issue a Frost Advisory or Freeze Warning. If freezing temperatures confirm, it will mark the end of the growing season for this area.
Where does this potential freeze average on average? Right on schedule.
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