National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat Continues; Monitoring Excessive Rainfall and Flash Flooding

The heat continues along and east of the Mississippi River. The most significant cumulative heat impacts are expected across the Mid-Atlantic through today and eastern Ohio Valley through Friday. Severe weather and heavy rainfall potential from the Southwest, Plains, upper Midwest, Great Lakes, mid-Atlantic and Northeast the next couple of days. A disturbance near the Marianas may bring flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

91°F

33°C

Humidity 47%
Wind Speed S 7 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 26 Jun 4:53 pm CDT
Extended Forecast for

2 Miles SW Mountainburg AR

  • Tonight

    Tonight: Partly cloudy, with a low around 72. South wind 5 to 10 mph becoming light and variable in the evening.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 87. Calm wind becoming southwest around 5 mph in the morning.

    High: 87 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the morning.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 72. South wind 5 to 10 mph becoming light and variable in the evening.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 87. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Mountainburg AR
 35.6°N 94.2°W
Last Update:
1:50 pm CDT Jun 26, 2025
Forecast Valid:
5pm CDT Jun 26, 2025-6pm CDT Jul 3, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation