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Today’s Forecast:
Today will be mostly cloudy with high temperatures in the mid-60s. It should be a pretty nice day.
Wednesday’s Rain Chances:
Rain showers will be possible through the day on Wednesday. We are not expecting any flood threats, or severe threats. These showers are ahead of a cold front Wednesday evening.
Forecast rainfall accumulation Wednesday will be highest at the coast with forecast totals only reaching about half an inch.
Weekend Cold Front:
The cold front arrives Friday with the arctic air moving in some time Saturday. The temperatures tumble from highs in the 70s Friday to highs in the lower-40s, and even upper 30s by Sunday. Morning lows drop into the 20s and 30s. These will be the coldest temperatures we’ve seen so far this season.
I am tracking an impactful winter weather situation this weekend in Houston, with freezing rain possible in the area. Freezing rain is the most dangerous form of winter precipitation. Even a thin layer of ice, less than a tenth of an inch, can create hazardous driving conditions and lead to power outages if it collects on trees near power lines.
But timing is key! The freezing air, less than 32°, and precipitation have to match up. If it doesn’t, we’ll simply get a cold rain. The timing for now is Saturday afternoon into Saturday night. Below in pink is the freezing rain forecast.
The freeze line below in green separates the below freezing temperatures and above. This line simply needs to be a little farther south and if that happens, watch out Houston, we’ve got problems. On top of this, wind chills will be in the teens, so it will feel bitterly cold.
Your Extended Forecast:
Confidence is high that we will see a strong arctic front this weekend. This front will bring the coldest air mass so far this winter. There is a very slight chance for frozen precipitation, especially north of Houston. This forecast will become much more specific as we get closer to the weekend and models come into better alignment.