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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Brownsville TX

7 Day Forecast

For More Weather Information:

Brownsville, TX Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 26 °C

Thursday

Breezy

Breezy

High: 36 °C

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 26 °C

Friday

Mostly Sunny

Mostly
Sunny

High: 36 °C

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 26 °C

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 36 °C

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 26 °C

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 36 °C

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 26 °C

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 26. South southeast wind 18 to 21 km/h.
  • Thursday Mostly sunny, with a high near 36. Heat index values as high as 42. Breezy, with a south southeast wind 18 to 23 km/h increasing to 27 to 32 km/h in the afternoon.
  • Thursday Night Partly cloudy, with a low around 26. South southeast wind 24 to 29 km/h decreasing to 14 to 19 km/h after midnight.
  • Friday Mostly sunny, with a high near 36. Heat index values as high as 41. South southeast wind 13 to 18 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 35 km/h.
  • Friday Night Partly cloudy, with a low around 26. Southeast wind 21 to 26 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 34 km/h.
  • Saturday A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 36. Southeast wind 13 to 18 km/h increasing to 21 to 26 km/h in the afternoon.
  • Saturday Night Partly cloudy, with a low around 26.
  • Sunday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 36.
  • Sunday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 26.
  • Monday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 35.
  • Monday Night Partly cloudy, with a low around 26.
  • Tuesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 36.
  • Tuesday Night Partly cloudy, with a low around 26.
  • Wednesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 36.