Weather WorldSam Rayburn, TX Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Sam Rayburn Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY |
 |  | |  | | |  | | | | |
| Chance of T-Storm | Clearing | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Clearing | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Hi: 91°FHi: 33°C Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C Lo: 75°FLo: 24°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C |
| POP: 40% | POP: 40% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 306 AM CDT Fri Sep 11 2026 
Sam Rayburn Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Sam Rayburn Weather Map
Sam Rayburn Quick Facts
Sam Rayburn Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 623 AM CDT Fri Sep 11 2026
Key Messages
- Afternoon highs today will again climb into the low to mid 90s with heat indices ranging from 99-107 today.
- Higher precipitation chances are expected through the weekend as deep moisture moves across the area and interacts with a weakness aloft.
Discussion
... (Today through Thursday) Issued at 1221 AM CDT Fri Sep 11 2026
The subtropical ridge remains stretched from the Atlantic into the northern gulf coast this morning. This continues to feed gulf moisture into SE TX and southern LA. A...