National Weather Service Forecast for: Siloam Springs AR
Issued by: National Weather Service Tulsa, OK
Updated: 4:50 am CST Dec 5, 2025
 
Today

Today: Mostly sunny, with a high near 48. Southwest wind 5 to 10 mph.
Mostly Sunny

 Tonight

Tonight: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 32. Southwest wind around 5 mph.
Partly Cloudy
then Patchy
Fog
 Saturday

Saturday: Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 53. South wind 5 to 10 mph.
Areas Dense
Fog then
Sunny
 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 37. South wind around 5 mph becoming west after midnight.
Mostly Cloudy

 Sunday

Sunday: Partly sunny, with a high near 43. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Partly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 22. North wind 5 to 10 mph.
Partly Cloudy

 Monday

Monday: Mostly sunny, with a high near 46. Northeast wind 5 to 10 mph becoming southwest in the afternoon.
Mostly Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 29. South wind around 5 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 54. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunny
Hi 48 °F Lo 32 °F Hi 53 °F Lo 37 °F Hi 43 °F Lo 22 °F Hi 46 °F Lo 29 °F Hi 54 °F

Hazardous Weather Outlook
 

Today
 
 Mostly sunny, with a high near 48. Southwest wind 5 to 10 mph.
Tonight
 
 Patchy fog after 4am. Otherwise, increasing clouds, with a low around 32. Southwest wind around 5 mph.
Saturday
 
 Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 53. South wind 5 to 10 mph.
Saturday Night
 
 Mostly cloudy, with a low around 37. South wind around 5 mph becoming west after midnight.
Sunday
 
 Partly sunny, with a high near 43. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
 
 Partly cloudy, with a low around 22. North wind 5 to 10 mph.
Monday
 
 Mostly sunny, with a high near 46. Northeast wind 5 to 10 mph becoming southwest in the afternoon.
Monday Night
 
 Mostly clear, with a low around 29. South wind around 5 mph.
Tuesday
 
 Sunny, with a high near 54. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
 
 Partly cloudy, with a low around 39. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
 
 Mostly sunny, with a high near 54. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 Partly cloudy, with a low around 29. Northwest wind 5 to 10 mph becoming southeast after midnight.
Thursday
 
 Mostly sunny, with a high near 50. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

 

Forecast from NOAA-NWS for Siloam Springs AR.