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

81°F

27°C

Humidity 82%
Wind Speed NA
Barometer NA
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Aug 11:56 pm CDT
Extended Forecast for

Mammoth Spring AR

Heat Advisory August 17, 12:00pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Clear, with a low around 73. Calm wind.

    Low: 73 °F

    Clear

  • Sunday

    Sunday: Isolated showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 108. Calm wind. Chance of precipitation is 20%.

    High: 101 °F

    Sunny then
    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind becoming southeast around 5 mph.

    High: 102 °F

    Hot

  • Monday Night

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

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 102. Calm wind.

    High: 102 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 95 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 73. Calm wind.
Sunday
Isolated showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 108. Calm wind. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 73. Calm wind.
Monday
Sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind becoming southeast around 5 mph.
Monday Night
Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 102. Calm wind.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 70. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. Calm wind becoming north northeast around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Spring AR
 36.49°N 91.55°W (Elev. 669 ft)
Last Update:
11:35 pm CDT Aug 16, 2025
Forecast Valid:
12am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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