
Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.
Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >
Hazardous Weather Conditions
Current conditions at
Fort Smith Regional Airport (KFSM)
Lat: 35.33°NLon: 94.37°WElev: 436ft.
Light Rain
80°F
27°C
| Humidity | 90% |
| Wind Speed | NE 6 mph |
| Barometer | 30.01 in (1015.6 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 8.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 14 Oct 10:53 am CDT |
Extended Forecast for
Mountainburg AR
Today

High: 84 °F
Showers
Tonight

Low: 70 °F
Chance
ShowersThursday
High: 87 °F
Sunny then
Slight Chance
ShowersThursday Night

Low: 57 °F
Chance
ShowersFriday

High: 64 °F
Mostly Sunny
Friday Night

Low: 45 °F
Mostly Clear
Saturday

High: 67 °F
Sunny
Saturday Night

Low: 45 °F
Mostly Clear
Sunday

High: 70 °F
Sunny
Detailed Forecast
Today
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 84. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers after 4pm. Sunny, with a high near 87. Light southeast wind becoming south 5 to 10 mph in the morning.
Thursday Night
A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers. Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming north 15 to 20 mph in the evening. Winds could gust as high as 35 mph. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 64. North wind around 20 mph, with gusts as high as 35 mph.
Friday Night
Mostly clear, with a low around 45. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 67. Northeast wind around 5 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 45. Calm wind becoming east around 5 mph.
Sunday
Sunny, with a high near 70. Southeast wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 51. East wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 58. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the morning.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mountainburg AR
35.63°N 94.17°W
35.63°N 94.17°W
9:50 am CDT Oct 14, 2026
11am CDT Oct 14, 2026-6pm CDT Oct 20, 2026



