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Alton, AL Weather Forecast
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Alton Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  | | |  | | | | | |  |
| Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 128 PM CDT Sat Aug 15 2026 
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Issued: 229 PM CDT Sat Aug 15 2026
Key Messages
Issued at 222 PM CDT SAT AUG 15 2026
- Major to Extreme Heat: A significant heat risk is expected to persist through the weekend into the beginning of next week, with heat indices reaching 105 to near 110 degrees. Heat advisories are in effect.
- Convection: A summertime convective pattern persists with 20-50% rain chances, primarily favoring southern areas while north-central Alabama chances are lower.
Discussion
... (This afternoon through Friday) Issued at ...