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

80°F

27°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 25 Jul 11:56 pm CDT
Extended Forecast for

Mammoth Spring AR

Heat Advisory July 26, 11:00am until July 28, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 98. Heat index values as high as 111. Calm wind.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Calm wind becoming south southwest around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. West wind around 5 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. North wind around 5 mph becoming calm.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. East northeast wind around 5 mph.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Calm wind.
Sunday
Mostly sunny and hot, with a high near 98. Heat index values as high as 111. Calm wind.
Sunday Night
Mostly clear, with a low around 75. Calm wind.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. Calm wind becoming south southwest around 5 mph.
Tuesday
Sunny and hot, with a high near 99. West wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 74. North wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. East northeast wind around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70. Calm wind.
Thursday
Sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Spring AR
 36.49°N 91.55°W (Elev. 669 ft)
Last Update:
12:35 am CDT Jul 26, 2026
Forecast Valid:
12am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation