National Weather Service United States Department of Commerce

Oppressive heat and humidity building into the central and southeast U.S.

A heat wave is building into parts of the central and southeast U.S. this week. The combination of heat and humidity will lead to dangerous heat indices, especially in parts of the central Mississippi River Valley where an Excessive Heat Warning is in effect. Heat Advisories are in effect elsewhere across the region. Relief is not expected for several days.
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Current Conditions

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San Antonio TX

7 Day Forecast

Today

Hot

Hot

High: 37 °C

Tonight

Partly Cloudy

Partly
Cloudy

Low: 26 °C

Friday

Hot

Hot

High: 37 °C

Friday
Night

Mostly Clear

Mostly
Clear

Low: 24 °C

Saturday

Hot

Hot

High: 36 °C

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 24 °C

Sunday

Hot

Hot

High: 36 °C

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 24 °C

Monday

Hot

Hot

High: 37 °C

Detailed Forecast

  • Today Mostly cloudy, then gradually becoming sunny and hot, with a high near 37. South southeast wind 15 to 20 km/h increasing to 25 to 30 km/h in the afternoon.
  • Tonight Partly cloudy, with a low around 26. South southeast wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Winds could gust as high as 35 km/h.
  • Friday Mostly sunny and hot, with a high near 37. South wind 15 to 25 km/h.
  • Friday Night Mostly clear, with a low around 24. South southeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 30 km/h.
  • Saturday Mostly sunny and hot, with a high near 36. South wind 10 to 15 km/h.
  • Saturday Night Mostly clear, with a low around 24. South southeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.
  • Sunday Mostly sunny and hot, with a high near 36. South southeast wind 10 to 15 km/h.
  • Sunday Night Mostly clear, with a low around 24. Southeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight.
  • Monday Mostly sunny and hot, with a high near 37. Southeast wind 5 to 15 km/h.
  • Monday Night Partly cloudy, with a low around 24.
  • Tuesday Mostly sunny and hot, with a high near 37.
  • Tuesday Night Mostly clear, with a low around 24.
  • Wednesday Sunny and hot, with a high near 37.