![rain :rain:](./images/smilies/rain.gif)
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FXUS64 KEWX 032011
AFDEWX
Area Forecast Discussion
National Weather Service Austin/San Antonio TX
311 PM CDT Tue Sep 3 2019
.SHORT TERM (Tonight through Wednesday Night)...
Little change in the forecast can be expected across most of south
central Texas through tomorrow night. We are seeing a few showers
develop near the Texas coast this afternoon as increased moisture
associated with recently named Tropical Storm Fernand moves inland.
Given the current forecast track for Fernand, no direct impacts or
hazardous weather conditions are expected across south central Texas.
For the remainder of today, it appears the better chance for
convection will remain along the coast. For now, we will keep the
forecast dry for all areas through this evening. However, as we head
into the overnight hours, a slow but steady increase in moisture
could lead to a few showers across portions of the Rio Grande plains
and coastal plains. We will mention a low chance (20%) for the
southern portions of Maverick and Dimmit counties for the early
morning hours on Wednesday. With higher moisture levels creeping
northward tomorrow, low rain chances continue for areas south of a
Del Rio to Pearsall line. Elsewhere, look for another day of above
normal temperatures across south central Texas with highs in the
lower 90s to near 100.
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.LONG TERM (Thursday through Tuesday)...
We will keep a low chance for showers and thunderstorms in the
forecast for the Rio Grande plains from Eagle Pass southward on
Thursday as we should still see enough moisture to aid in shower and
thunderstorm development. Dry and hot weather is anticipated
elsewhere on Thursday as surface winds trend to a more southeasterly
direction.
The forecast for Friday through the upcoming weekend still appears
dry with above normal temperatures across all of south central Texas.
With low-level winds remaining from the southeast, our humidity
levels will begin to increase, leading to an increase in heat index
values. As of now, it appears we should remain below Advisory levels,
but could get close in a few spots east of I-35.
A weakening of the persistent mid and upper level ridge currently
anchored near the 4-corners region may allow for some isolated
thunderstorm development Monday across the coastal plains, with
activity possibly spreading farther northwest into the I-35 and Hill
Country on Tuesday.