National Weather Service Forecast for: 4 Miles NW Jonesville LA
Issued by: National Weather Service Jackson, MS
Updated: 10:15 pm CDT Aug 15, 2026
 
Tonight

Tonight: Mostly clear, with a low around 76. Southwest wind around 5 mph.
Mostly Clear

Sunday

Sunday: Sunny and hot, with a high near 100. Heat index values as high as 110. Calm wind becoming west around 5 mph.
Hot

Sunday
Night
Sunday Night: Mostly clear, with a low around 77. Calm wind becoming west southwest around 5 mph after midnight.
Mostly Clear

Monday

Monday: Sunny and hot, with a high near 100. Heat index values as high as 111. West southwest wind around 5 mph.
Hot

Monday
Night
Monday Night: Mostly clear, with a low around 77. South southwest wind around 5 mph.
Mostly Clear

Tuesday

Tuesday: Sunny and hot, with a high near 99. West wind around 5 mph.
Hot

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 75. South southwest wind around 5 mph.
Mostly Clear

Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 99. Southwest wind around 5 mph.
Sunny then
Slight Chance
T-storms
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 75. South southwest wind around 5 mph.
Mostly Clear

Lo 76 °F Hi 100 °F Lo 77 °F Hi 100 °F Lo 77 °F Hi 99 °F Lo 75 °F Hi 99 °F Lo 75 °F

Heat Advisory
 

Tonight
 
Mostly clear, with a low around 76. Southwest wind around 5 mph.
Sunday
 
Sunny and hot, with a high near 100. Heat index values as high as 110. Calm wind becoming west around 5 mph.
Sunday Night
 
Mostly clear, with a low around 77. Calm wind becoming west southwest around 5 mph after midnight.
Monday
 
Sunny and hot, with a high near 100. Heat index values as high as 111. West southwest wind around 5 mph.
Monday Night
 
Mostly clear, with a low around 77. South southwest wind around 5 mph.
Tuesday
 
Sunny and hot, with a high near 99. West wind around 5 mph.
Tuesday Night
 
Mostly clear, with a low around 75. South southwest wind around 5 mph.
Wednesday
 
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Southwest wind around 5 mph.
Wednesday Night
 
Mostly clear, with a low around 75. South southwest wind around 5 mph.
Thursday
 
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99.
Thursday Night
 
Partly cloudy, with a low around 74.
Friday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98.
Friday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
 
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.

 

Forecast from NOAA-NWS for 4 Miles NW Jonesville LA.