National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Walnut Ridge Regional Airport (KARG)

Lat: 36.13°NLon: 90.92°WElev: 266ft.

Overcast

65°F

18°C

Humidity 100%
Wind Speed S 16 G 24 mph
Barometer 29.75 in (1007.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 5 May 9:56 am CDT
Extended Forecast for

Mammoth Spring AR

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 70. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Chance
    T-storms then
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Low around 45. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F

    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 61. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 42. North wind around 5 mph, with gusts as high as 15 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 67. North wind around 5 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. South southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming southwest around 5 mph.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 70. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Low around 45. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 61. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 42. North wind around 5 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 67. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 42. Calm wind.
Friday
Sunny, with a high near 76. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 50. South southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 81. Calm wind becoming southwest around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 57.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Monday
Sunny, with a high near 76.
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:
9:35 am CDT May 5, 2026
Forecast Valid:
10am CDT May 5, 2026-6pm CDT May 11, 2026
 
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