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

76°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 30.16 in (1021.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 18 Sep 1:56 am CDT
Extended Forecast for

4 Miles NNE Armstrong AR

Heat Advisory September 18, 02:26am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 02:26am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind becoming west southwest around 5 mph in the morning.

    High: 99 °F

    Hot

  • Friday Night

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

    Low: 72 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Saturday Night

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

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind becoming west southwest around 5 mph in the morning.
Friday Night
Clear, with a low around 72. Calm wind.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71. South southwest wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 98. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 69. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Armstrong AR
 36.42°N 91.27°W (Elev. 623 ft)
Last Update:
1:35 am CDT Sep 18, 2026
Forecast Valid:
2am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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