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

76°F

24°C

Humidity 97%
Wind Speed Calm
Barometer 30.01 in (1016.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 17 Aug 5:56 am CDT
Extended Forecast for

Portia AR

Heat Advisory August 17, 12:00pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming east southeast around 5 mph. Chance of precipitation is 20%.

    High: 99 °F

    Sunny then
    Isolated
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 75. East wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming east around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 75. East wind around 5 mph becoming calm.

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. North northeast wind around 5 mph.

    High: 94 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. North northeast wind around 5 mph.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 89. North northeast wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming east southeast around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 75. East wind around 5 mph becoming calm.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Clear, with a low around 75. East wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Calm wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. North northeast wind around 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. North northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 89. North northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portia AR
 36.08°N 91.06°W (Elev. 256 ft)
Last Update:
6:35 am CDT Aug 17, 2025
Forecast Valid:
6am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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