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.

Fair

78°F

26°C

Humidity 45%
Wind Speed SW 12 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Mar 8:56 pm CDT
Extended Forecast for

Mammoth Spring AR

  • Tonight

    Tonight: Mostly clear, with a low around 43. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 63. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. East northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Southeast wind around 5 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Southeast wind around 5 mph becoming calm.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 50. South southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 43. North wind around 10 mph, with gusts as high as 25 mph.
Monday
Increasing clouds, with a high near 63. North northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 41. East northeast wind around 5 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 67. Southeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 45. Southeast wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Clear, with a low around 58. South southwest wind around 5 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 91. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 50. South southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Friday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 63.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Spring AR
 36.49°N 91.55°W (Elev. 669 ft)
Last Update:
8:35 pm CDT Mar 22, 2026
Forecast Valid:
9pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation