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

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

96°F

36°C

Humidity 40%
Wind Speed E 5 mph
Barometer 30.13 in (1019.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 16 Sep 5:53 pm CDT
Extended Forecast for

Lucas AR

Heat Advisory September 16, 06:48pm until September 16, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory September 16, 06:48pm until September 16, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 104. Calm wind becoming east around 5 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 72. Calm wind.

    Low: 72 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. Calm wind becoming south around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. South southeast wind around 5 mph becoming calm.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101. Light south wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Calm wind becoming south southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 100 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Calm wind.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 104. Calm wind becoming east around 5 mph.
Thursday Night
Clear, with a low around 72. Calm wind.
Friday
Sunny and hot, with a high near 101. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 70. South southeast wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 101. Light south wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 100. Calm wind becoming south southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lucas AR
 35.04°N 94.12°W (Elev. 600 ft)
Last Update:
6:35 pm CDT Sep 16, 2026
Forecast Valid:
6pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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