National Weather Service Forecast for: Siloam Springs AR
Issued by: National Weather Service Tulsa, OK
Updated: 1:31 pm CDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 82. Southwest wind 5 to 10 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 54. South wind around 5 mph.
Mostly Clear
 Friday

Friday: Sunny, with a high near 86. South wind around 5 mph becoming southwest in the afternoon.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 57. South wind around 5 mph.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 89. South wind around 5 mph.
Sunny
 Saturday
Night
Saturday Night: Clear, with a low around 64. South wind 5 to 10 mph, with gusts as high as 20 mph.
Clear
 Sunday

Sunday: Sunny, with a high near 89. South wind around 15 mph, with gusts as high as 25 mph.
Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 48. North wind around 10 mph, with gusts as high as 20 mph.
Partly Cloudy
 Monday

Monday: Partly sunny, with a high near 71. Northeast wind around 10 mph, with gusts as high as 20 mph.
Partly Sunny
Hi 82 °F Lo 54 °F Hi 86 °F Lo 57 °F Hi 89 °F Lo 64 °F Hi 89 °F Lo 48 °F Hi 71 °F

Hazardous Weather Outlook
 

This Afternoon
 
 Sunny, with a high near 82. Southwest wind 5 to 10 mph.
Tonight
 
 Mostly clear, with a low around 54. South wind around 5 mph.
Friday
 
 Sunny, with a high near 86. South wind around 5 mph becoming southwest in the afternoon.
Friday Night
 
 Mostly clear, with a low around 57. South wind around 5 mph.
Saturday
 
 Sunny, with a high near 89. South wind around 5 mph.
Saturday Night
 
 Clear, with a low around 64. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
 
 Sunny, with a high near 89. South wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
 
 Partly cloudy, with a low around 48. North wind around 10 mph, with gusts as high as 20 mph.
Monday
 
 Partly sunny, with a high near 71. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
 
 Mostly cloudy, with a low around 49. East wind around 5 mph.
Tuesday
 
 Mostly sunny, with a high near 77. South wind 5 to 10 mph.
Tuesday Night
 
 Partly cloudy, with a low around 56. South wind around 5 mph.
Wednesday
 
 Sunny, with a high near 84. South wind 5 to 10 mph, with gusts as high as 20 mph.

 

Forecast from NOAA-NWS for Siloam Springs AR.