National Weather Service Forecast for: Alton AL
Issued by: National Weather Service Birmingham, AL
Updated: 6:24 am CDT Jun 11, 2025
 
Today

Today: Mostly sunny, with a high near 87. Calm wind becoming northeast around 5 mph.
Mostly Sunny

 Tonight

Tonight: Partly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.
Partly Cloudy

 Thursday

Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. Southeast wind around 5 mph becoming south in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
T-storms
 Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. Calm wind.
Chance
T-storms

 Friday

Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.
Chance
T-storms then
T-storms
Likely
 Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71.
Chance
T-storms

 Saturday

Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. Chance of precipitation is 80%.
Chance
T-storms then
T-storms
 Saturday
Night
Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.
Chance
T-storms

 Sunday

Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. Chance of precipitation is 80%.
Chance
T-storms then
T-storms
Hi 87 °F Lo 66 °F Hi 86 °F Lo 70 °F Hi 88 °F Lo 71 °F Hi 87 °F Lo 72 °F Hi 87 °F

Dense Fog Advisory
 

Today
 
 Mostly sunny, with a high near 87. Calm wind becoming northeast around 5 mph.
Tonight
 
 Partly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.
Thursday
 
 A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. Southeast wind around 5 mph becoming south in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. Calm wind.
Friday
 
 Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
 
 A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71.
Saturday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. Chance of precipitation is 80%.
Saturday Night
 
 A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.
Sunday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. Chance of precipitation is 80%.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71.
Monday
 
 Showers and thunderstorms. High near 86. Chance of precipitation is 80%.
Monday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Tuesday
 
 Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 70%.

 

Forecast from NOAA-NWS for Alton AL.