Tuesday Night Weather Blog (12/17): December 70s Wrap Up Fall

Sunshine, mild temperatures, and calm winds have graced the Brazos Valley after a very cold December (thus far). We'll continue with a warming trend through the week, leading up to the official start of Winter.

Tuesday Afternoon Highs

70° in December? For sure -- some of us reached that or warmer this afternoon.

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Didn't quite make 70° this afternoon? Is it on your Christmas wish list? No worries, we'll likely make it there Wednesday afternoon (for many), and will see widespread, spring-like temperatures for Thursday, Friday, and Saturday.

Enjoy the Sunshine -- It Won't Last All Week

All this natural, vitamin D has been fantastic -- given most of December has been overcast and just plain cold.

We'll get one more day of sunny skies on Wednesday before cloudier changes arrive.

Wednesday morning brings full sunshine to the Brazos Valley (after some morning, patchy fog). That sunshine will get muddled just a bit by high afternoon clouds sliding in over the area.

Those high clouds are the signals for changes that are ahead for the rest of your week. Get it while you can -- we're about to take a turn for the less-sunny once again...

Increased Temperatures, Wind, and Eventually Rain Chances

Thursday will bring mostly cloudy skies to the Brazos Valley -- and possibly a few scattered, light showers.

Friday brings overcast conditions to the Brazos Valley -- along with a 30% chance of widespread, scattered showers.

Saturday keeps the clouds on hand across the Brazos Valley -- along with a 50% to 60% chance of showers and thunderstorms, some of which could be on the strong to severe side.

Our next upper-level weather maker starts to get its act together on Wednesday. As it dives into the Desert Southwest Thursday, clouds and moisture increases from the Gulf of Mexico -- riding in on breezy, to occasionally gusty, south winds. As all of those increase, our temperatures will cruise up as well -- close to 80° by Friday afternoon.

Saturday Storms?

Still something we are monitoring closely in the forecast.

Indications from computer model data is not quite as telling of possible strong to severe thunderstorms for the weekend -- but doesn't ease concern 100%.

Saturday evening, the upper-level system, we talked about above, will swing towards North East Texas. As it does, it could briefly take a "negative tilt" -- something we started talking about Monday evening. Should that tilt occur, it could spell out significant storm activity boasting strong, damaging winds.

That all said, still plenty to monitor over the next couple of days. Keep the forecast in the back of your mind, and be sure to check back as we draw closer to the early, holiday weekend.

We've seen a touch of severe weather around the Christmas holiday over the past several years -- a tradition we may continue with this weekend.

More details as they come. We'll check back in Wednesday, December 18th. We'll also take an early look into your Christmas Day forecast.
--Chief Meteorologist Shel Winkley

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