National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Hazardous Weather Conditions

Current Conditions

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San Antonio TX

7 Day Forecast

Overnight

Partly Cloudy

Partly
Cloudy

Low: 77 °F

Tuesday

Hot

Hot

High: 98 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 75 °F

Wednesday

Hot

Hot

High: 99 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 77 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 97 °F

Thursday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 75 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 93 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 74 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 77. South wind around 5 mph.
  • Tuesday Mostly sunny and hot, with a high near 98. Light and variable wind becoming southeast 5 to 10 mph in the morning.
  • Tuesday Night Partly cloudy, with a low around 75. East wind 5 to 10 mph becoming south after midnight.
  • Wednesday Mostly sunny and hot, with a high near 99. South wind 5 to 15 mph.
  • Wednesday Night Partly cloudy, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
  • Thursday A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 97. South wind 5 to 10 mph becoming light in the afternoon.
  • Thursday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
  • Friday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. North northeast wind 5 to 10 mph.
  • Friday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. East northeast wind 5 to 10 mph.
  • Saturday Partly sunny, with a high near 93.
  • Saturday Night Mostly cloudy, with a low around 74.
  • Sunday Mostly sunny, with a high near 92.
  • Sunday Night Partly cloudy, with a low around 73.
  • Monday Mostly sunny, with a high near 94.