Donna, TX Weather Forecast
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Donna Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Mostly Clear | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 101°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 100°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 101°FHi: 38°C | Lo: 79°FLo: 26°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 |
| POP: 20% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1241 PM CDT Sat Sep 05 2026 

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Issued: 559 PM CDT Sat Sep 5 2026
Key Messages
Updated at 555 PM CDT Sat Sep 5 2026- A Special Weather Statement (SPS) is in effect today across Southern Hidalgo County as well as the inland and coastal portions of Cameron, Willacy and Kenedy counties (not including the barrier islands) for heat indices of 108-111 F, generally occurring between 12 PM to 6 PM.
- Mostly major to extreme risks of heat-related illnesses (levels 3/4 and 4/4) prevail through the forecast as afternoon heat indices continue to soar to 106-110+ F.
- Near daily...
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