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City of Mission, TexasMission, TX Weather Forecast
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Mission Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | | | | | | | | |  | |
| Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Clearing | Sunny | Partly Cloudy | Chance of T-Storm | Partly Cloudy |
| Hi: 102°FHi: 39°C | Lo: 80°FLo: 27°C | Hi: 102°FHi: 39°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: 100°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 PM CDT Thu Sep 03 2026 
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Issued: 1026 PM CDT Thu Sep 3 2026
Key Messages
Updated at 1007 PM CDT Thu Sep 3 2026- Major (level 3 of 4) to Extreme (level 4 of 4) Heat Risk is expected throughout much of Deep South Texas through next week.
- A combination low afternoon relative humidity, dry grasses, and hot temperatures may raise concerns for favorable fire weather through Friday.
- Sea breeze showers and thunderstorms east of I-69C are possible each afternoon Labor Day Weekend and continuing into early next week.
Discussion
... Issued at 1007 PM CDT Thu Sep 3 2026
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