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

89°F

32°C

Humidity 65%
Wind Speed SW 10 mph
Barometer 30.10 in (1018.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 10 Aug 10:56 am CDT
Extended Forecast for

Mammoth Spring AR

Heat Advisory August 10, 12:00pm until August 10, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 99. Heat index values as high as 107. South southwest wind around 5 mph.

    High: 99 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 74. South southwest wind around 5 mph.

    Low: 74 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 105. South southwest wind around 5 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South southwest wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. West southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. South southwest wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 100. Southwest wind around 5 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South southwest wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 99. Southwest wind around 5 mph.

    High: 99 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 107. South southwest wind around 5 mph.
Tonight
Clear, with a low around 74. South southwest wind around 5 mph.
Tuesday
Sunny and hot, with a high near 99. Heat index values as high as 105. South southwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 75. South southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 100. West southwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 75. South southwest wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 100. Southwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 75. South southwest wind around 5 mph.
Friday
Sunny and hot, with a high near 99. Southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 75.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Spring AR
 36.49°N 91.55°W (Elev. 669 ft)
Last Update:
10:35 am CDT Aug 10, 2026
Forecast Valid:
11am CDT Aug 10, 2026-6pm CDT Aug 16, 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