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.

Partly Cloudy

68°F

20°C

Humidity 78%
Wind Speed S 13 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 6 Mar 11:56 pm CST
Extended Forecast for

Mammoth Spring AR

  • Overnight

    Overnight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 60. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    T-storms

  • Saturday

    Saturday: Showers and thunderstorms, mainly before noon. High near 74. South wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 40. North northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 40 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming southwest around 5 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 59. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 58. South southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

Detailed Forecast

Overnight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 60. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms, mainly before noon. High near 74. South wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 40. North northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 69. Calm wind becoming southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 46. Calm wind.
Monday
Mostly sunny, with a high near 79. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 59. South southwest wind around 5 mph, with gusts as high as 15 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. South southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before noon, then showers likely. High near 71. Chance of precipitation is 80%.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Spring AR
 36.49°N 91.55°W (Elev. 669 ft)
Last Update:
12:35 am CST Mar 7, 2026
Forecast Valid:
12am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation