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St. Mark School, TX Weather Forecast
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St. Mark School Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | | | |  | | | | | | |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 100°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 100°FHi: 38°C | Lo: 80°FLo: 27°C | Hi: 100°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 100°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 100°FHi: 38°C | Lo: 79°FLo: 26°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 PM CDT Wed Aug 19 2026 
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St. Mark School Forecast Discussion
Issued: 100 PM CDT Wed Aug 19 2026
Key Messages
- Heat Advisory is in effect Thursday and Friday for heat index values peaking between 106-110F. The advisory may need to be extended into the weekend.
- Rain chances will be very low through Friday, but might need to keep an eye out for some isolated-scattered activity near the Piney Woods Friday evening.
- No substantial changes to the weather pattern through most of next week...so the August heat continues will mainly dry conditions.
Discussion
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