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Chilly temperatures and fire weather concerns expected this week after record-breaking heat. Here's why.

Dry air and windy conditions brought by the cold front keeps fire weather a concern for most of the week in San Antonio.

SAN ANTONIO — A cold front blew through the Alamo City Wednesday morning sending wind gusts of 37 mph at the San Antonio International Airport around 10 a.m. Dry air from the front will also allow San Antonians to experience some chilly mornings and comfortable afternoons. 

This comes after San Antonians experienced 95 degrees Tuesday which broke a record of 93 degrees set back in 1936! 

Credit: KENS 5 Weather

Dry air and windy conditions brought by the cold front will lead to fire weather concerns for most of the week. The rest of Fiesta will have comfortable, breezy weather for those working and attending events. 

Here's what San Antonians can expect for Fiesta's final days:

Thursday (High 82 and Low 55): Windy conditions will prevail with steady winds around 10 - 20 mph and wind gusts of 35 mph. Air will stay very dry with dewpoints in the teens across our region. This will contribute to a Red Flag Warning beginning at 10 a.m. until 8 p.m. Thursday according to the National Weather Service. 

This means any wildfires that ignite will spread rapidly and unpredictably. 

Credit: KENS 5 Weather

The dry air will also allow temperatures to cool into the 50s for the morning and warming in the low 80s by the afternoon. By sunset temperatures will drop in the 70s leading to comfortable weather for those outdoor Fiesta events. 

Battle of Flowers Parade (High 78 and Low 46): This will be the coolest day of the week, a nice surprise for those early risers preparing for the Battle of Flowers Parade. Expect to wear a jacket early morning as temperatures will start in the upper 40s around 7:30 a.m. 

Credit: KENS 5 Weather

As the parade gets going at 9:30 a.m. the cooler weather continues through mid-morning as temperatures may still be in the low 70s by 10.am. However with sunny skies temperatures will warm quickly. 

Credit: KENS 5 Weather

High temperatures for Friday afternoon will only be in the upper 70s to low 80s. For those planning to attend any Fiesta night events temperatures will stay in the upper 60s by 10 p.m.

Credit: KENS 5 Weather

Fiesta Flambeau Parade (High 85 and Low 55): The cooler mornings and evenings continue for Saturday, however high temperatures will rise in the mid 80s. Breezy conditions will continue but a southerly wind will begin by the afternoon. 

Credit: KENS 5 Weather

This should be the last day of fire weather concerns as moisture levels will begin to recover. 

Sunday (High 84 and Low 58): San Antonio will see some small opportunities for rain chances beginning Sunday. For the last day of Fiesta expect weather to be more humid with a 20 percent chance of a shower/isolated storm. 


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