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

67°F

19°C

Humidity 100%
Wind Speed S 17 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 9 Mar 8:56 pm CDT
Extended Forecast for

Mammoth Spring AR

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. South wind around 5 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 81 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 61. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 71. South southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 35. North wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 60. North wind around 5 mph becoming southwest in the afternoon.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 73. West southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. South wind around 5 mph becoming calm.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 60. South wind around 5 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 61. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 71. South southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 35. North wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 60. North wind around 5 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 41. South wind around 5 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 73. West southwest wind around 5 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 44. South wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 52.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 74.
Sunday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 50.
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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:
8:35 pm CDT Mar 9, 2026
Forecast Valid:
9pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation