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 80%
Wind Speed SW 6 mph
Barometer NA
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 20 Apr 3:56 am CDT
Extended Forecast for

Mammoth Spring AR

  • Today

    Today: Sunny, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. South wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. South wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 77. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 77 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 47. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 79. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 49. South southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 54. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Showers and possibly a thunderstorm. High near 77. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
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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:
4:35 am CDT Apr 20, 2026
Forecast Valid:
4am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation