| National Weather Service Forecast for:
Siloam Springs AR Issued by: National Weather Service Tulsa, OK |
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| Updated: 2:50 am CDT Jun 30, 2026 | ||||||||||||||||||
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| Today |
Sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 20 mph. |
| Tonight |
Clear, with a low around 74. South wind 5 to 10 mph. |
| Wednesday |
Sunny, with a high near 92. Heat index values as high as 100. South wind 5 to 15 mph, with gusts as high as 20 mph. |
| Wednesday Night |
Mostly clear, with a low around 74. South wind 5 to 10 mph. |
| Thursday |
Mostly sunny, with a high near 91. South wind 5 to 10 mph. |
| Thursday Night |
Partly cloudy, with a low around 75. South wind 5 to 10 mph. |
| Friday |
Mostly sunny, with a high near 92. South wind 5 to 10 mph. |
| Friday Night |
Partly cloudy, with a low around 75. South wind around 5 mph. |
| Independence Day |
Mostly sunny, with a high near 93. South wind around 5 mph. |
| Saturday Night |
Partly cloudy, with a low around 75. South wind around 5 mph becoming calm after midnight. |
| Sunday |
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. South wind around 5 mph. |
| Sunday Night |
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm. |
| Monday |
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. |
Forecast from NOAA-NWS for Siloam Springs AR.
