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

65°F

18°C

Humidity 76%
Wind Speed S 7 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 1:56 am CDT
Extended Forecast for

Mammoth Spring AR

  • Overnight

    Overnight: Mostly clear, with a low around 60. South southwest wind around 5 mph becoming calm.

    Low: 60 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 91. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63. South southwest wind around 5 mph.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Heat index values as high as 100. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 69. South southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. South southwest wind around 5 mph. Chance of precipitation is 90%.

    High: 87 °F

    Chance
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

    High: 86 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 60. South southwest wind around 5 mph becoming calm.
Columbus Day
Sunny, with a high near 91. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 63. South southwest wind around 5 mph.
Tuesday
Sunny, with a high near 93. Heat index values as high as 100. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 69. South southwest wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. South southwest wind around 5 mph. Chance of precipitation is 90%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 64.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 70.
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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:
2:35 am CDT Oct 12, 2026
Forecast Valid:
2am CDT Oct 12, 2026-6pm CDT Oct 18, 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