National Weather Service United States Department of Commerce

The flash flooding threat shifts slightly east on Friday while both coasts and Hawaii continue high surf issues due to tropical systems

The potential for heavy rainfall and flash flooding will shift east on Friday across parts of the Upper Midwest into the eastern Great Lakes. Meanwhile, portions of both the East and West Coasts, as well as Hawaii, will continue to have high surf and rip current potential due to Hurricane Cristobal and Tropical Storm Marie respectively. Caution should be used on area beaches.
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Hazardous Weather Conditions

Current Conditions

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San Antonio TX

7 Day Forecast

Today

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 96 °F

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 77 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 96 °F

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 77 °F

Sunday

Hot

Hot

High: 97 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 78 °F

Labor
Day

Hot

Hot

High: 97 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 77 °F

Tuesday

Hot

Hot

High: 97 °F

Detailed Forecast

  • Today A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 96. Heat index values as high as 101. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
  • Tonight A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 77. Southeast wind 5 to 15 mph.
  • Saturday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 101. Light east southeast wind increasing to 5 to 10 mph in the afternoon.
  • Saturday Night A 20 percent chance of showers and thunderstorms. Increasing clouds, with a low around 77. South southeast wind 5 to 10 mph.
  • Sunday Partly sunny and hot, with a high near 97. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
  • Sunday Night Mostly cloudy, with a low around 78. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
  • Labor Day Partly sunny and hot, with a high near 97. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
  • Monday Night Mostly cloudy, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
  • Tuesday Partly sunny and hot, with a high near 97. Southeast wind 5 to 15 mph.
  • Tuesday Night Mostly cloudy, with a low around 77.
  • Wednesday Partly sunny, with a high near 96.
  • Wednesday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
  • Thursday A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 97.