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 with Haze

43°F

6°C

Humidity 74%
Wind Speed NA
Barometer NA
Dewpoint 35°F (2°C)
Visibility 0.50 mi
Last update 12 Feb 9:56 pm CST
Extended Forecast for

Mammoth Spring AR

  • Tonight

    Tonight: Mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Calm wind becoming south around 5 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Showers likely after midnight. Increasing clouds, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers. High near 57. Calm wind becoming east southeast around 5 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 90%.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 46. East wind around 5 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: A 40 percent chance of showers before noon. Partly sunny, with a high near 60. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. North wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 66. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. South southeast wind around 5 mph becoming calm.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Calm wind.
Friday
Sunny, with a high near 63. Calm wind becoming south around 5 mph.
Friday Night
Showers likely after midnight. Increasing clouds, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. High near 57. Calm wind becoming east southeast around 5 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 46. East wind around 5 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Sunday
A 40 percent chance of showers before noon. Partly sunny, with a high near 60. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 37. North wind around 5 mph becoming calm in the evening.
Washington's Birthday
Mostly sunny, with a high near 66. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 43. South southeast wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 68.
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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 CST Feb 12, 2026
Forecast Valid:
10pm CST Feb 12, 2026-6pm CST Feb 19, 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