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Morriston Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
 |  | | |  |  | | | | | | |
| Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Sunny | Clearing | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 70°FLo: 21°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 70°FLo: 21°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 PM CDT Fri Sep 18 2026 
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Issued: 231 PM CDT Fri Sep 18 2026
Key Messages
- Hot temperatures continue this afternoon, but lower humidity will help to reduce heat stress, with dangerous levels of heat stress confined to north of Interstate 20.
- Dangerous levels of heat stress will build back in areawide this weekend through early next week before a front with drier air, lower dewpoints and pleasant temperatures/less heat into late next week.
Discussion
... Issued at 229 PM CDT Fri Sep 18 2026
Through Saturday: Record high temperatures along with higher humidity a...