National Weather Service Forecast for: Magnolia AR
Issued by: National Weather Service Shreveport, LA
Updated: 2:15 am CDT Aug 20, 2026
 
Overnight

Overnight: Mostly clear, with a low around 77. Calm wind.
Mostly Clear

Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming southwest around 5 mph.
Mostly Sunny
then Slight
Chance
T-storms
Thursday
Night
Thursday Night: A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers.  Partly cloudy, with a low around 76. Calm wind.  Chance of precipitation is 40%.
Chance
T-storms

Friday

Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 103. Heat index values as high as 110. Calm wind becoming west around 5 mph.
Mostly Sunny
then Slight
Chance
T-storms
Friday
Night
Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 74. Calm wind.
Slight Chance
T-storms

Saturday

Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 103.
Mostly Sunny
then Slight
Chance
T-storms
Saturday
Night
Saturday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 74.
Slight Chance
Showers

Sunday

Sunday: Mostly sunny and hot, with a high near 100.
Hot

Sunday
Night
Sunday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 75.
Partly Cloudy
then Slight
Chance
Showers
Lo 77 °F Hi 103 °F Lo 76 °F Hi 103 °F Lo 74 °F Hi 103 °F Lo 74 °F Hi 100 °F Lo 75 °F

Extreme Heat Warning
 

Overnight
 
Mostly clear, with a low around 77. Calm wind.
Thursday
 
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming southwest around 5 mph.
Thursday Night
 
A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 40%.
Friday
 
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 103. Heat index values as high as 110. Calm wind becoming west around 5 mph.
Friday Night
 
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Calm wind.
Saturday
 
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 103.
Saturday Night
 
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 74.
Sunday
 
Mostly sunny and hot, with a high near 100.
Sunday Night
 
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 75.
Monday
 
A 30 percent chance of showers before 1pm. Mostly sunny and hot, with a high near 98.
Monday Night
 
Mostly clear, with a low around 75.
Tuesday
 
Sunny and hot, with a high near 99.
Tuesday Night
 
Mostly clear, with a low around 76.
Wednesday
 
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 99.

 

Forecast from NOAA-NWS for Magnolia AR.