National Weather Service Forecast for: Cullman AL
Issued by: National Weather Service Huntsville, AL
Updated: 7:50 pm CDT May 26, 2026
 
Tonight

Tonight: A 40 percent chance of showers and thunderstorms, mainly between 10pm and 3am. Mostly cloudy, with a low around 65. South southeast wind around 5 mph becoming calm.
Chance
Showers

 Wednesday

Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Chance
T-storms
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 3am, then a chance of showers after 4am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%.
Chance
Showers

 Thursday

Thursday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 82. Calm wind. Chance of precipitation is 80%.
Showers

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%.
Chance
T-storms then
Chance
Showers
 Friday

Friday: Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 90%.
Showers
Likely then
T-storms
 Friday
Night
Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Showers
Likely

 Saturday

Saturday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.
Chance
Showers then
Showers
 Saturday
Night
Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Chance
Showers
Lo 65 °F Hi 81 °F Lo 64 °F Hi 82 °F Lo 64 °F Hi 79 °F Lo 63 °F Hi 79 °F Lo 62 °F

Flood Watch
 

Tonight
 
 A 40 percent chance of showers and thunderstorms, mainly between 10pm and 3am. Mostly cloudy, with a low around 65. South southeast wind around 5 mph becoming calm.
Wednesday
 
 A 50 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 A chance of showers and thunderstorms before 3am, then a chance of showers after 4am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%.
Thursday
 
 Showers likely, then showers and possibly a thunderstorm after 10am. High near 82. Calm wind. Chance of precipitation is 80%.
Thursday Night
 
 A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%.
Friday
 
 Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 90%.
Friday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Saturday
 
 A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Sunday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Monday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Monday Night
 
 A 20 percent chance of showers. Partly cloudy, with a low around 57.
Tuesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.

 

Forecast from NOAA-NWS for Cullman AL.