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

34°F

1°C

Humidity 100%
Wind Speed NA
Barometer 30.12 in (1020.5 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 9 Feb 1:56 am CST
Extended Forecast for

Mammoth Spring AR

  • Overnight

    Overnight: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. Calm wind becoming south around 5 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 73. Calm wind becoming west southwest around 5 mph in the morning.

    High: 73 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 40. North northeast wind around 5 mph.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 57. Northeast wind around 5 mph.

    High: 57 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 51. Calm wind becoming east southeast around 5 mph in the morning.

    High: 51 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 38. East southeast wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. Calm wind.
Monday
Sunny, with a high near 68. Calm wind becoming south around 5 mph.
Monday Night
Increasing clouds, with a low around 43. Calm wind.
Tuesday
Mostly cloudy, with a high near 73. Calm wind becoming west southwest around 5 mph in the morning.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40. North northeast wind around 5 mph.
Wednesday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 57. Northeast wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 35. Calm wind.
Thursday
Mostly cloudy, with a high near 51. Calm wind becoming east southeast around 5 mph in the morning.
Thursday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 38. East southeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 53.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 52. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 34.
Sunday
A 20 percent chance of showers. Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Spring AR
 36.49°N 91.55°W (Elev. 669 ft)
Last Update:
2:35 am CST Feb 9, 2026
Forecast Valid:
2am CST Feb 9, 2026-6pm CST Feb 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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