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

91°F

33°C

Humidity 56%
Wind Speed SW 10 mph
Barometer 30.12 in (1019.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 15 Aug 9:53 am CDT
Extended Forecast for

Lucas AR

Heat Advisory August 15, 10:02am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 10:02am until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Today

    High: 102 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 78. South southwest wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 104. Heat index values as high as 112. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 104 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. West southwest wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 104. Calm wind becoming west around 5 mph in the afternoon.

    High: 104 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 102. Heat index values as high as 111. Southwest wind 5 to 10 mph.
Tonight
Clear, with a low around 78. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 104. Heat index values as high as 112. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 77. West southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 104. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 104. Calm wind becoming west southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. South wind around 5 mph, with gusts as high as 15 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 104. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Thursday
Mostly sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lucas AR
 35.07°N 94.12°W (Elev. 584 ft)
Last Update:
9:35 am CDT Aug 15, 2026
Forecast Valid:
10am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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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