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

Hazardous Weather Conditions

Current conditions at

Walnut Ridge Regional Airport (KARG)

Lat: 36.13°NLon: 90.92°WElev: 266ft.

Fair

92°F

33°C

Humidity 44%
Wind Speed Calm
Barometer 30.15 in (1020.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 17 Sep 6:56 pm CDT
Extended Forecast for

Smithville AR

Heat Advisory September 17, 07:43pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 07:43pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 74 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 73. South wind around 5 mph becoming calm.

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. West southwest wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 74. Calm wind.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
Clear, with a low around 73. South wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 72. West southwest wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 68. North northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithville AR
 36.08°N 91.31°W (Elev. 397 ft)
Last Update:
7:35 pm CDT Sep 17, 2026
Forecast Valid:
7pm CDT Sep 17, 2026-6pm CDT Sep 24, 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