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

77°F

25°C

Humidity 94%
Wind Speed NW 5 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Aug 1:56 am CDT
Extended Forecast for

5 Miles SSE Mammoth Spring AR

Heat Advisory August 18, 02:53am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 02:53am until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Overnight

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 109. Calm wind.

    High: 101 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind.

    High: 100 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 91. North northeast wind around 5 mph.

    High: 91 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 72. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 109. Calm wind.
Monday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. 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 68. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 91. North northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 93.
Friday Night
Clear, with a low around 65.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Mammoth Spring AR
 36.44°N 91.5°W (Elev. 620 ft)
Last Update:
2:35 am CDT Aug 18, 2025
Forecast Valid:
2am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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