| National Weather Service Forecast for:
Alton AL Issued by: National Weather Service Birmingham, AL |
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| Updated: 5:52 pm CDT Jun 18, 2026 | ||||||||||||||||||
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| Tonight |
A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm after midnight. |
| Juneteenth |
A chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
| Friday Night |
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Calm wind. |
| Saturday |
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Calm wind. |
| Saturday Night |
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 68. Calm wind. |
| Sunday |
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 85. Chance of precipitation is 80%. |
| Sunday Night |
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. |
| Monday |
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%. |
| Monday Night |
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. |
| Tuesday |
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%. |
| Tuesday Night |
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. |
| Wednesday |
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. |
| Wednesday Night |
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. |
| Thursday |
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. |
Forecast from NOAA-NWS for Alton AL.