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

Hazardous Weather Conditions

Current conditions at

Harrison, Boone County Airport (KHRO)

Lat: 36.26°NLon: 93.15°WElev: 1365ft.

Fair

72°F

22°C

Humidity 84%
Wind Speed Calm
Barometer 30.10 in (1017.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Aug 4:53 am CDT
Extended Forecast for

4 Miles ESE Marble Falls AR

Heat Advisory August 18, 05:17am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 05:17am until August 18, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Today

    High: 97 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 76. Calm wind becoming south southeast around 5 mph.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Southwest wind around 5 mph.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. Calm wind.

    High: 92 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Calm wind becoming northeast around 5 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind.
Tonight
Clear, with a low around 76. Calm wind becoming south southeast around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Southwest wind around 5 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. Calm wind.
Thursday Night
Mostly clear, with a low around 70. Calm wind.
Friday
Sunny, with a high near 92. Calm wind becoming northeast around 5 mph.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
Sunny, with a high near 94. Calm wind becoming east northeast around 5 mph.
Saturday Night
Mostly clear, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Marble Falls AR
 36.07°N 93.09°W (Elev. 1198 ft)
Last Update:
4:35 am CDT Aug 18, 2026
Forecast Valid:
5am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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