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City of Brownsville, TexasBrownsville, TX Weather Forecast
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| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 101°FHi: 38°C | Lo: 80°FLo: 27°C | Hi: 100°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1241 PM CDT Fri Sep 11 2026 
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Issued: 1226 PM CDT Fri Sep 11 2026
Key Messages
Updated at 1224 PM CDT Fri Sep 11 2026- A Heat Advisory is in effect today for portions of Deep South Texas until 7 pm CDT. Temperatures between 99 and 109 with heat indices up to 114 may be expected.
- A Fire Danger Statement is in effect from 1 pm to 7 pm CDT for all of Deep South Texas, excepting coastal areas.
- Record breaking temperatures and Major (level 3 of 4) to Extreme (level 4 of 4) Heat Risk will continue into next week.
- Dry weather is expected the next few days, but low rain...