National Weather Service United States Department of Commerce

Heavy rain and flash flooding possible in the Desert Southwest and Great Lake States this evening and tonight

A slow moving cold front may bring heavy rain and localized flooding Wednesday to portions of the Great Plains. More heavy rain will be possible in the Desert Southwest again Wednesday. Hot temperatures will continue in the Mississippi Valley - and spread up the east coast Wednesday.
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Hazardous Weather Conditions

Current Conditions

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San Antonio TX

7 Day Forecast

Today

Isolated Thunderstorms Chance for Measurable Precipitation 10%

Isolated
Thunderstorms

High: 99 °F

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 10%

Isolated
Thunderstorms

Low: 77 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 96 °F

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 77 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 95 °F

Friday
Night

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

Mostly Cloudy

Mostly
Cloudy

Low: 78 °F

Sunday

Hot

Hot

High: 97 °F

Detailed Forecast

  • Today Isolated thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Light northeast wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 10%.
  • Tonight Isolated thunderstorms before 1am. Partly cloudy, with a low around 77. East wind 5 to 10 mph. Chance of precipitation is 10%.
  • Thursday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 101. East southeast wind 5 to 10 mph.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind 5 to 15 mph.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 95. Southeast wind 5 to 10 mph.
  • Friday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind 5 to 10 mph.
  • Saturday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 96. South southeast wind 5 to 10 mph.
  • Saturday Night Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
  • Sunday Partly sunny and hot, with a high near 97. South southeast wind 5 to 15 mph.
  • Sunday Night Mostly cloudy, with a low around 78.
  • Labor Day Partly sunny and hot, with a high near 98.
  • Monday Night Mostly cloudy, with a low around 78.
  • Tuesday Partly sunny and hot, with a high near 98.