HOUSTON, Texas (KTRK) — Our ABC13 Weather team has now declared Weather Alert Days for Tuesday and Wednesday as it now appears likely a winter storm will impact Southeast Texas with snow, ice, and a hard freeze. We still have you on Weather Watch for Monday as it will be very cold, but the snow and ice is currently expected to hold off until the evening.
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How will the arctic front impact our weekend?
Temperatures will fall into the low 50s behind the front Saturday morning, then warm back toward 60 with the afternoon sunshine. The front will initially push away most of the clouds to bring an abundance of sunshine this weekend. Much colder air will arrive Saturday night, and that’s when we expect the freeze line to first enter Southeast Texas. It now looks like the freeze line will even push into most of Houston by sunrise Sunday. Sunshine on Sunday will warm temperatures out of the 30s and into the 40s. The freeze line could move back into as early as 9 p.m. Sunday, and we expect the freeze line will make it past the coast by sunrise Monday. We advise everyone to complete their winter preparations before watching the Texans game at 3:30 p.m. on ABC13! You still have until Sunday night to finish wrapping those pipes, but it will be cold and windy Sunday.
What can runners and spectators expect for the Chevron Houston Marathon on Sunday?
It’s going to be a cold one! At this time we expect the start of the race to feature temperatures in the low-to-mid 30s along with a north wind up to 25 mph pushing the “feels like” temps into the lower 20s. We expect it to be dry with sunshine-warming temperatures into the low 40s during the race.
What’s the coldest it will get with this arctic front?
Unfortunately a hard, pipe-bursting freeze is on the table because this air is coming all the way from Siberia. At this time we are expect low temperatures to bottom out in the mid-to-upper 20s for Houston Monday and Tuesday mornings, and we now predict it will fall into the teens on Wednesday morning with the expectation of ice or snow on the ground. You also need to be aware that when temperatures drop below freezing on Monday, they may not get back above freezing until Wednesday afternoon, giving us nearly 48 straight hours of freezing temperatures.
When could we get ice or snow, and how much is possible?
We are starting to gain confidence in the timing of any wintry precipitation, and the window for that occur opens up during the afternoon on MLK Day and continues through Tuesday. It now looks to be dry Tuesday night and Wednesday. Computer models are becoming more aggressive with snow and ice chances over Southeast Texas, and we have increased our chance of precipitation for freezing rain, sleet, or snow showers to 70%. There are some extreme computer model solutions spitting out over half a foot of snow, but it’s too soon to get an accurate feel for accumulations and what type of wintry precipitation will fall. Those details will come into greater clarity this weekend.
How will this potential winter storm impact travel?
We are advising people to be prepared to stay put wherever you go to bed Monday night until Wednesday afternoon at the earliest. If some of the more aggressive snow/ice amounts verify, travel may be nearly impossible until sometime Thursday.
When will we be done with the freezing temperatures?
It’s possible we could have lows below freezing until the weekend. In fact, we are eying the possibility of a second wave of low pressure arriving next Thursday or Friday that could bring another round of frozen precipitation. Stay looped into the forecast this week as we continue to refine the details!
