
Storm Systems to Impact the Central and Eastern U.S. Through the Weekend
Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >
Hazardous Weather Conditions
Current conditions at
Fort Smith Regional Airport (KFSM)
Lat: 35.33°NLon: 94.37°WElev: 436ft.
Fair
35°F
2°C
| Humidity | 59% |
| Wind Speed | W 12 mph |
| Barometer | 30.38 in (1028.9 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 11 Jan 12:53 am CST |
Extended Forecast for
Mountainburg AR
Overnight

Low: 29 °F
Clear
Sunday

High: 46 °F
Sunny
Sunday Night

Low: 31 °F
Clear
Monday

High: 56 °F
Sunny
Monday Night

Low: 37 °F
Clear
Tuesday

High: 62 °F
Sunny
Tuesday Night

Low: 42 °F
Partly Cloudy
Wednesday

High: 53 °F
Mostly Sunny
Wednesday Night

Low: 26 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 29. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 46. North wind around 5 mph becoming calm in the afternoon.
Sunday Night
Clear, with a low around 31. Calm wind.
Monday
Sunny, with a high near 56. Calm wind becoming southwest around 5 mph.
Monday Night
Clear, with a low around 37. Calm wind.
Tuesday
Sunny, with a high near 62. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 42. West wind around 5 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 53. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 26. Northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 48. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 34. South wind around 5 mph becoming northwest after midnight.
Friday
Sunny, with a high near 49. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 39. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Mountainburg AR
35.63°N 94.17°W
35.63°N 94.17°W
12:50 am CST Jan 11, 2026
1am CST Jan 11, 2026-6pm CST Jan 17, 2026



