Tuesday Evening Weather Blog (1/21): Colder Days on the Horizon

A bit on the chilly side across the Brazos Valley, in the wake of our Monday evening cold front. A small warm-up is in the cards for Wednesday, before a blast of winter air slams into the area on Thursday.

Enjoy it While it is Here

Wednesday morning will start on a cold note. In fact, much of the Brazos Valley is expected to reach a quick, light freeze -- with lows falling between the upper 20s to low 30s.

Morning sunshine helps to warm the day up, along with a subtle south to southwest wind.

Take, at least, a few minutes to step outside Wednesday evening and enjoy the feel of the mild air. Bigger & colder changes are in the works for Thursday...

Winter Air Blows Back into the Brazos Valley

Thursday morning we'll wake up to a stiff north wind and a slowly cooling day.

Temperatures are expected to start the day in the mid / upper 40s -- once the front blows in, temperatures should slide into the low 40s by the noon hour, then into the upper / mid 30s by early evening. Factor in that bitter, cold wind and the "feels like" (wind chill) temperatures are expected in the mid 30s by noon and below freezing by the end of business.

GFS Computer Model Forecast for Wind Chills Thursday 6pm

Cold is Certain -- Moisture is iffy

It was another day of Computer Model "disco" -- as data that flowed into the PinPoint Weather Center was anything but consistent.

Much like what we talked about in last night's update, the upper-level system responsible for possible rain chances has yet to reach the Pacific Northwest. We need that ripple in the atmosphere to reach reporting sensors here in The States before we can get a real understanding of what we are dealing with. Until it does, we'll continue to get a wintry weather message one minute and a bone-dry message with the following update.

That said -- while there is a chance to find rain late Thursday and wintry weather by Friday morning, that chance is still as clear as mud.

*Should* we get the moisture to fall from cloudy & cold skies, here are the first thoughts on what *might* fall and where (judging on how deep the coldest air will settle up):

Updates Will Need to be Made

Cannot stress this enough -- these are just first thoughts *if* we can get the moisture to come together with our shot of Arctic air. We'll start to get a better understanding of what is in the cards for us, Friday morning, starting Wednesday evening.

Updates as they come here on KBTX.com -- we'll bring you the latest, once again, in tomorrow evening's blog.

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