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

49°F

9°C

Humidity 39%
Wind Speed Calm
Barometer 30.38 in (1028.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 28 Mar 9:56 pm CDT
Extended Forecast for

Mammoth Spring AR

  • Tonight

    Tonight: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. South wind around 5 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. South wind around 10 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. South southwest wind around 10 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 51 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then showers likely. High near 64. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 48. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 73. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 53. South wind around 5 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 83. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 61. South wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. South southwest wind around 10 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then showers likely. High near 64. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 48. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Saturday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
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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:
9:35 pm CDT Mar 28, 2026
Forecast Valid:
10pm CDT Mar 28, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation