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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Current Conditions

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Brownsville TX

7 Day Forecast

For More Weather Information:

Brownsville, TX Local Forecast Office

Tonight

Mostly Clear

Mostly
Clear

Low: 26 °C

Tuesday

Sunny

Sunny

High: 36 °C

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 26 °C

Wednesday

Breezy

Breezy

High: 36 °C

Wednesday
Night

Breezy

Breezy

Low: 27 °C

Thursday

Breezy

Breezy

High: 35 °C

Thursday
Night

Breezy

Breezy

Low: 27 °C

Friday

Mostly Sunny

Mostly
Sunny

High: 36 °C

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 26 °C

Detailed Forecast

  • Tonight Mostly clear, with a low around 26. Southeast wind 18 to 23 km/h decreasing to 8 to 13 km/h after midnight. Winds could gust as high as 32 km/h.
  • Tuesday Sunny, with a high near 36. South southeast wind 8 to 13 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 34 km/h.
  • Tuesday Night Mostly clear, with a low around 26. Southeast wind 19 to 24 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 34 km/h.
  • Wednesday Mostly sunny, with a high near 36. Heat index values as high as 42. Breezy, with a south southeast wind 13 to 23 km/h increasing to 24 to 34 km/h in the afternoon. Winds could gust as high as 47 km/h.
  • Wednesday Night Partly cloudy, with a low around 27. Breezy, with a south southeast wind 30 to 35 km/h decreasing to 18 to 23 km/h after midnight. Winds could gust as high as 50 km/h.
  • Thursday Mostly sunny, with a high near 35. Breezy, with a south southeast wind 18 to 23 km/h increasing to 29 to 34 km/h in the afternoon. Winds could gust as high as 48 km/h.
  • Thursday Night Partly cloudy, with a low around 27. Breezy.
  • Friday Mostly sunny, with a high near 36.
  • Friday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 26.
  • Saturday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 34.
  • Saturday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 26.
  • Sunday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 34.
  • Sunday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 25.
  • Monday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 34.