South Texas Weather Forecast
Weather forecast for February 23, 2017
February 23 – 25, 2018
Daily Weather Forecast
South Texas Weather Modification Association

Weather Discussion:
Mostly cloudy across the south Texas region this morning, with scattered showers and
thunderstorms and widespread drizzle.  Rain is moving off to the northeast at a decent pace.  
Widespread fog is also present across the region this morning, with dense fog possible.  Fog
looks to last through the mid to late morning hours.  The stationary front is still located across
deep south TX, while moisture from the Gulf continues to move inland.  Cloudy to mostly cloudy
today with isolated to scattered showers and thunderstorms possible this morning, then
scattered drizzle and light rain this afternoon.  High temperatures in the upper 60’s, lower 70’s.  
Mostly cloudy overnight with isolated to scattered showers and thunderstorms.  Some storms
could produce brief heavy rain.  Overnight low temps in the mid to upper 50’s with warmer temps
over the coastal plains.  Fog likely overnight and into tomorrow morning with dense fog possible.

A cold front looks to move through the region on Saturday with mostly cloudy skies and isolated
showers and thunderstorms.  After the front passes skies will begin to clear.  Saturday high
temps in the lower to mid 70’s.  Isolated showers and storms are possible overnight Saturday
mainly south of San Antonio as the front continues out of the region.  Saturday overnight lows in
the lower to mid 50’s with cooler temps over hill country.  Partly to mostly cloudy on Sunday with
isolated showers as the rain continues to move south.  High pressure begins to move into the
region later in the day on Sunday.  Sunday highs in the upper 60’s, lower 70’s.  Partly cloudy
overnight Sunday.  High pressure continues on Monday with partly cloudy skies, then moisture
returns on Tuesday with scattered showers.

Daily normal (F): high 69, low 46

Pilots (STWMA): season closed.

Today: Cloudy to mostly cloudy today with isolated to scattered showers and thunderstorms in
the morning, then scattered drizzle and light rain in the afternoon.  Fog possible through the mid
to late morning hours.  High temps in the upper 60’s, lower 70’s.  Southeasterly winds 0 – 10
mph.

Tonight: Mostly cloudy overnight with isolated to scattered showers and thunderstorms.  Some
storms could produce brief heavy rain.  Low temps in the mid to upper 50’s with warmer temps
over the coastal plains.  Southeasterly winds 0 – 10 mph.

Saturday: Mostly cloudy with isolated showers and thunderstorms in the morning, then
decreasing clouds in the afternoon.  Highs in the lower to mid 70’s.  Mostly cloudy overnight with
isolated showers and storms mainly south of San Antonio.  Overnight low temps in the lower to
mid 50’s with cooler temps over hill country.  Southeasterly winds 0 – 10 mph then northwesterly
at 5 – 15 mph.

Sunday: Partly to mostly cloudy with isolated showers south of San Antonio.  High temps in the
upper 60’s, lower 70’s.  Partly cloudy overnight.  Overnight lows in the lower to mid 40’s.  
North/northeasterly winds 0 – 10 mph.

Extended: Partly cloudy Monday then possible rain on Tuesday (February 27).



Forecast Notes:
Temperatures are in Fahrenheit (F)
Wind speeds are in miles per hour (mph)
Rainfall amounts in inches (in.)
Visibility in miles

Rain chance terminology from lowest to highest chance: isolated, scattered, widespread.
South Texas Weather Modification Association