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

Walnut Ridge Regional Airport (KARG)

Lat: 36.13°NLon: 90.92°WElev: 266ft.

Fair

82°F

28°C

Humidity 74%
Wind Speed SE 8 mph
Barometer 30.21 in (1022.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Sep 8:56 pm CDT
Extended Forecast for

3 Miles SE Mammoth Spring AR

  • Tonight

    Tonight: Clear, with a low around 72. Southeast wind around 5 mph becoming calm.

    Low: 72 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming west southwest around 5 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Heat index values as high as 104. Calm wind becoming south southwest around 5 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly 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 70. South southwest wind around 5 mph becoming calm.

    Low: 70 °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: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 72. Southeast wind around 5 mph becoming calm.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming west southwest around 5 mph.
Thursday Night
Mostly clear, with a low around 71. Calm wind.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 104. Calm wind becoming south southwest around 5 mph.
Friday Night
Mostly clear, with a low around 69. Calm wind.
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 70. 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
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 69. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Mammoth Spring AR
 36.47°N 91.5°W (Elev. 692 ft)
Last Update:
8:35 pm CDT Sep 16, 2026
Forecast Valid:
9pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation