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

83°F

28°C

Humidity 55%
Wind Speed S 3 mph
Barometer 29.94 in (1011.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 13 Aug 5:53 am CDT
Extended Forecast for

Marble Falls AR

Heat Advisory August 13, 06:50am until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 13, 06:50am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Heat index values as high as 108. South southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 76. South wind around 5 mph becoming calm.

    Low: 76 °F

    Clear

  • Saturday

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

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 77. South southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 102. Calm wind becoming west southwest around 5 mph.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny and hot, with a high near 99. Heat index values as high as 109. South southwest wind around 5 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 77. South wind around 5 mph.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 108. South southwest wind around 5 mph, with gusts as high as 15 mph.
Friday Night
Clear, with a low around 76. South wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 100. Calm wind becoming west southwest around 5 mph in the morning.
Saturday Night
Clear, with a low around 77. South southwest wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 102. Calm wind becoming west southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 77. Calm wind.
Monday
Mostly sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Sunny and hot, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marble Falls AR
 36.07°N 93.14°W (Elev. 1099 ft)
Last Update:
6:35 am CDT Aug 13, 2026
Forecast Valid:
6am CDT Aug 13, 2026-6pm CDT Aug 19, 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