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

61°F

16°C

Humidity 56%
Wind Speed SW 6 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 28 Feb 10:56 pm CST
Extended Forecast for

Mammoth Spring AR

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 57. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely. Cloudy, with a low around 37. East northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers before noon. Mostly cloudy, with a high near 59. East wind around 5 mph.

    High: 59 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 45. East wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 45 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 75. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 57. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 15 mph.
Sunday
A 50 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 57. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely. Cloudy, with a low around 37. East northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 50 percent chance of showers before noon. Mostly cloudy, with a high near 59. East wind around 5 mph.
Monday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 45. East wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.
Tuesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 75. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 57. South wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Thursday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
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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 CST Feb 28, 2026
Forecast Valid:
11pm CST Feb 28, 2026-6pm CST Mar 7, 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