National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Walnut Ridge Regional Airport (KARG)

Lat: 36.13°NLon: 90.92°WElev: 266ft.

Fair

81°F

27°C

Humidity 74%
Wind Speed Calm
Barometer 30.18 in (1022.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 Sep 8:56 am CDT
Extended Forecast for

5 Miles N Myrtle MO

Heat Advisory September 18, 09:47am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 09:47am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 101 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Light southwest wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Calm wind becoming west around 6 mph in the afternoon.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers before 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 101. Heat index values as high as 104. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Clear, with a low around 70. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 100. Calm wind becoming southwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 69. Light southwest wind.
Sunday
Sunny and hot, with a high near 99. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 68.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 94.
Monday Night
A chance of showers before 1am. Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Myrtle MO
 36.57°N 91.27°W (Elev. 600 ft)
Last Update:
8:46 am CDT Sep 18, 2026
Forecast Valid:
9am CDT Sep 18, 2026-6pm CDT Sep 24, 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