National Weather Service Forecast for: Muscle Shoals AL
Issued by: National Weather Service Huntsville, AL
Updated: 2:50 am CDT Aug 20, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 75. Northwest wind around 5 mph.
Mostly Cloudy

 Thursday

Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 107. Northeast wind around 5 mph becoming south southwest in the afternoon.
Mostly Sunny
then Chance
T-storms
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 Friday

Friday: A 10 percent chance of showers before 7am. Mostly sunny, with a high near 92. Heat index values as high as 99. Calm wind becoming north northwest around 5 mph in the afternoon.
Slight Chance
Showers then
Mostly Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 68. North northwest wind around 5 mph becoming calm in the evening.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 93.
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 69.
Partly Cloudy

 Sunday

Sunday: Sunny, with a high near 91.
Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 67.
Partly Cloudy
Lo 75 °F Hi 96 °F Lo 71 °F Hi 92 °F Lo 68 °F Hi 93 °F Lo 69 °F Hi 91 °F Lo 67 °F

 

Overnight
 
 Mostly cloudy, with a low around 75. Northwest wind around 5 mph.
Thursday
 
 A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 107. Northeast wind around 5 mph becoming south southwest in the afternoon.
Thursday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
 A 10 percent chance of showers before 7am. Mostly sunny, with a high near 92. Heat index values as high as 99. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 68. North northwest wind around 5 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 93.
Saturday Night
 
 Partly cloudy, with a low around 69.
Sunday
 
 Sunny, with a high near 91.
Sunday Night
 
 Partly cloudy, with a low around 67.
Monday
 
 Mostly sunny, with a high near 90.
Monday Night
 
 A 20 percent chance of showers. Partly cloudy, with a low around 68.
Tuesday
 
 A 30 percent chance of showers. Mostly sunny, with a high near 91.
Tuesday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.

 

Forecast from NOAA-NWS for Muscle Shoals AL.