Hazardous Weather Conditions
Current conditions at
Fort Smith Regional Airport (KFSM)
Lat: 35.33°NLon: 94.37°WElev: 436ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Mountainburg AR
Today
High: 73 °F
Mostly Cloudy
then Severe
ThunderstormsTonight

Low: 58 °F
Severe
ThunderstormsSaturday
High: 64 °F
Chance
T-storms then
Partly SunnySaturday Night

Low: 45 °F
Mostly Cloudy
Sunday

High: 69 °F
Sunny
Sunday Night

Low: 54 °F
Partly Cloudy
Monday

High: 72 °F
Slight Chance
T-stormsMonday Night

Low: 62 °F
Chance
T-stormsTuesday

High: 73 °F
Showers
Detailed Forecast
Today
A chance of showers and thunderstorms between noon and 3pm, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe. High near 73. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 58. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 50 percent chance of showers and thunderstorms before noon. Partly sunny, with a high near 64. West wind 5 to 10 mph becoming north in the afternoon. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 69. Calm wind becoming south around 5 mph.
Sunday Night
Partly cloudy, with a low around 54. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 62. South wind 5 to 10 mph.
Tuesday
Showers and possibly a thunderstorm. High near 73. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 60. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 69. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. North wind 5 to 10 mph.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 63. East wind 5 to 10 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mountainburg AR
35.63°N 94.2°W
35.63°N 94.2°W
1:50 am CST Mar 6, 2026
4am CST Mar 6, 2026-6pm CDT Mar 12, 2026



