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

14°F

-10°C

Humidity 67%
Wind Speed W 5 mph
Barometer 30.29 in (1026.4 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 18 Jan 6:56 am CST
Extended Forecast for

Mammoth Spring AR

  • Today

    Today: Sunny, with a high near 39. Wind chill values as low as 4. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 16. West wind around 5 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.

    Low: 16 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Increasing clouds, with a high near 30. Wind chill values as low as 6. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 8. Calm wind.

    Low: 8 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 44. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 50. West southwest wind around 5 mph.

    High: 50 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 46. Calm wind becoming west around 5 mph in the afternoon.

    High: 46 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 39. Wind chill values as low as 4. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 16. West wind around 5 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.
M.L.King Day
Increasing clouds, with a high near 30. Wind chill values as low as 6. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 8. Calm wind.
Tuesday
Sunny, with a high near 44. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 28. South southwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 50. West southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 22. Calm wind.
Thursday
Sunny, with a high near 46. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 27.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 52.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 32.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 44.
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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:
6:35 am CST Jan 18, 2026
Forecast Valid:
7am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
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Additional Resources

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