SAN ANGELO – Drought conditions will return to the Concho Valley with a vengeance this weekend with afternoon temperatures soaring above 100 degrees for at least three straight days but there is a decent chance of severe thunderstorms across the region Wednesday evening into Thursday.
Meteorologists with the National Weather Service office in San Angelo have pinned a 30% chance for severe thunderstorms on Wednesday afternoon increasing slightly to 40% Wednesday night lingering into Thursday morning.
The best chance of rain according to forecast models at this time is between 3 p.m. and 7 p.m. Wednesday afternoon and again after 1 a.m. Thursday morning lingering to sunrise or so.
There is enough instability in the atmosphere for any storms that do develop to quickly go severe. Large hail and damaging winds are the biggest threats but an isolated tornado is also possible.
The best chance for storm development is north of the I-10 corridor so somewhere between Sonora and Abilene could see some rough weather.
This drought-pattern thunderstorm development will follow the formation of a dryline in the Permian Basin as it moves east across the Concho Valley. These systems typically don't hold together and affect the City of San Angelo during droughts but it is possible.
There is not enough moisture in the atmosphere today to create significant flooding events so lakes, rivers and streams will likely see little runoff.
The big weather story will be scorching afternoon temperatures beginning Friday and lasting through early next week. Expect highs to reach near 100 degrees Friday afternoon and 104 Saturday and Sunday. It will be breezy so there will be elevated fire weather conditions across West Texas this weekend into next week.
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