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

40°F

4°C

Humidity 58%
Wind Speed SE 8 mph
Barometer 30.20 in (1023.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 17 Mar 9:56 pm CDT
Extended Forecast for

Mammoth Spring AR

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 70. West southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 70 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46. Northwest wind around 5 mph becoming calm.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming northwest around 5 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 55. South southwest wind around 5 mph.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. South wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 70. West southwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 42. Calm wind.
Thursday
Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 46. Northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 80. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly clear, with a low around 48. Calm wind.
Saturday
Sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 55. South southwest wind around 5 mph.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 46.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 66.
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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:
10:35 pm CDT Mar 17, 2026
Forecast Valid:
10pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation