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

98°F

37°C

Humidity 39%
Wind Speed E 3 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 18 Aug 2:56 pm CDT
Extended Forecast for

3 Miles SSE Mammoth Spring AR

Heat Advisory August 19, 12:00pm until August 19, 08:00pm
Heat Advisory August 18, 03:21pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 18, 03:21pm until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 103 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 111. Calm wind.

    High: 101 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 93. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 93 °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. Northeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Slight Chance
    T-storms

  • Thursday

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

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. East northeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 103. Heat index values as high as 112. South wind around 5 mph becoming calm.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 111. Calm wind.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%.
Wednesday
A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 93. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 91. North northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 67. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 93. Calm wind becoming northeast around 5 mph.
Friday Night
Clear, with a low around 67.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Mammoth Spring AR
 36.47°N 91.52°W (Elev. 502 ft)
Last Update:
2:35 pm CDT Aug 18, 2025
Forecast Valid:
3pm CDT Aug 18, 2025-6pm CDT Aug 24, 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