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Utmb Main Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | |  |  |  | | | | |  |
| Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Thunderstorms | Clearing | Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm |
| Lo: 85°FLo: 29°C | Hi: 91°FHi: 33°C | Lo: 85°FLo: 29°C | Hi: 91°FHi: 33°C | Lo: 81°FLo: 27°C | Hi: 90°FHi: 32°C | Lo: 85°FLo: 29°C | Hi: 89°FHi: 32°C | Lo: 81°FLo: 27°C | Hi: 89°FHi: 32°C | Lo: 81°FLo: 27°C | Hi: 89°FHi: 32°C |
| POP: 50% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 403 PM CDT Mon Sep 14 2026 
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Issued: 541 PM CDT Mon Sep 14 2026
Key Messages
- A Heat Advisory is now in effect for most of the area through Tuesday evening. Temperatures should remain above normal through at least mid-week.
- Diurnally driven isolated showers and thunderstorms expected this week; mainly for locations near and south of I-10. Higher chances expected on Thursday.
- Increased winds, seas, rain chances in the marine waters late Wednesday into late Thursday.
Discussion
... Issued at 120 PM CDT Mon Sep 14 2026
A broad mid-level ridge is expected to meander ...