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

78°F

26°C

Humidity 60%
Wind Speed S 5 mph
Barometer 30.12 in (1017.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Aug 4:53 am CDT
Extended Forecast for

4 Miles ESE Marble Falls AR

Heat Advisory August 15, 05:48am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 05:48am until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Today

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. South southwest wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Heat index values as high as 109. West southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. West southwest wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Calm wind.

    High: 95 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 10%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind becoming west southwest around 5 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Calm wind becoming south southwest around 5 mph after midnight. Winds could gust as high as 20 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 105. South southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 77. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 109. West southwest wind around 5 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 75. West southwest wind around 5 mph becoming calm.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Calm wind.
Monday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 10%.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind becoming west southwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 77. Calm wind becoming south southwest around 5 mph after midnight. Winds could gust as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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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:
5:35 am CDT Aug 15, 2026
Forecast Valid:
5am CDT Aug 15, 2026-6pm CDT Aug 21, 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