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

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

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 67%
Wind Speed SE 5 mph
Barometer 30.10 in (1017.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 Aug 10:53 pm CDT
Extended Forecast for

3 Miles SSE Berryville AR

Heat Advisory August 16, 12:02am until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 16, 12:02am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Overnight

    Low: 77 °F

    Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 101. Heat index values as high as 108. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 101 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.

    High: 94 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. North wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 99. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 102 °F

    Hot

Detailed Forecast

Overnight
Clear, with a low around 77. Southwest wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 101. Heat index values as high as 108. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 71. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 99. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 102. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph becoming east after midnight.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. East wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. East wind around 5 mph becoming north in the afternoon.
Friday Night
Mostly clear, with a low around 70. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 93. Calm wind becoming north around 5 mph in the morning.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Berryville AR
 36.34°N 93.56°W
Last Update:
11:50 pm CDT Aug 15, 2026
Forecast Valid:
12am CDT Aug 16, 2026-6pm CDT Aug 22, 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