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.

Overcast

72°F

22°C

Humidity 82%
Wind Speed S 8 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 14 Apr 10:56 pm CDT
Extended Forecast for

Mammoth Spring AR

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms. Low around 60. South southwest 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

  • Thursday

    Thursday: Showers and thunderstorms likely. Mostly cloudy, then gradually becoming sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 83 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. South southwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 87 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 57. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then a chance of showers after 1pm. Partly sunny, with a high near 73. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    High: 73 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 40. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Showers and thunderstorms. Low around 60. South southwest 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.
Thursday
Showers and thunderstorms likely. Mostly cloudy, then gradually becoming sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 60. South southwest wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 57. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers and thunderstorms, then a chance of showers after 1pm. Partly sunny, with a high near 73. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 40. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 69.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly 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:
10:35 pm CDT Apr 14, 2026
Forecast Valid:
11pm CDT Apr 14, 2026-6pm CDT Apr 21, 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