Mountainburg Weather Forecast
- 74
- 89
Chance Thunderstorms
- 75
- 90
Slight Chance Thunderstorms
- 76
- 92
Mostly Sunny
- 75
- 95
Mostly Sunny
- 74
- 95
Mostly Sunny
- 72
- 94
Chance Thunderstorms
- 69
- 88
Chance Thunderstorms
Today 26 Jul Crawford
Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.
Tonight 26 Jul Crawford
Partly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.
Mountainburg Temperature Statistics
July Temperature
Fort Smith Regional Airport (23.6 miles)
Lowest 9 July, 2025
69.7 °FAverage July
84 °FHighest 24 July, 2025
98.1 °F
Climate (2020–Present)
Fort Smith Regional Airport (23.6 miles)
Average Low 2020–2025
53.5 °FAverage 2020–2025
63.7 °FAverage High 2020–2025
74.9 °F