Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Hazardous Weather Conditions

Current conditions at

Harrison, Boone County Airport (KHRO)

Lat: 36.26°NLon: 93.15°WElev: 1365ft.

Fair

77°F

25°C

Humidity 88%
Wind Speed NW 5 mph
Barometer 30.07 in (1016.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Aug 3:53 am CDT
Extended Forecast for

Rule AR

  • Today

    Today: Sunny, with a high near 93. Calm wind becoming north around 5 mph in the morning.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. North wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 98. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. South wind around 5 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. Northeast wind around 5 mph becoming south after midnight.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 92. Southeast wind around 5 mph becoming northeast in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. East wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 92. Calm wind becoming north around 5 mph in the afternoon.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 93. Calm wind becoming north around 5 mph in the morning.
Tonight
Partly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 98. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 78. South wind around 5 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 101. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Northeast wind around 5 mph becoming south after midnight.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southeast wind around 5 mph becoming northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 69. East wind around 5 mph.
Friday
Sunny, with a high near 92. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 68. North 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 afternoon.
Saturday Night
Mostly clear, with a low around 69. Northeast wind around 5 mph becoming east after midnight.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. Southeast wind around 5 mph becoming northeast in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Rule AR
 36.29°N 93.47°W
4:50 am CDT Aug 17, 2026
4am CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database