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

43°F

6°C

Humidity 86%
Wind Speed Calm
Barometer NA
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Apr 2:56 am CDT
Extended Forecast for

Mammoth Spring AR

  • Overnight

    Overnight: Clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Calm wind becoming west around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. West southwest wind around 5 mph becoming calm.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. South wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Light southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 71. Calm wind becoming west around 5 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
Clear, with a low around 42. West southwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 48. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 51. Southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Wednesday
Sunny, with a high near 79. Light southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 55. South wind around 5 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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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:
3:35 am CDT Apr 19, 2026
Forecast Valid:
3am CDT Apr 19, 2026-6pm CDT Apr 25, 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