Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Harrison, Boone County Airport (KHRO)

Lat: 36.26°NLon: 93.15°WElev: 1365ft.

Fair

96°F

36°C

Humidity 41%
Wind Speed NW 5 mph
Barometer 30.01 in (1014.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 18 Aug 3:53 pm CDT
Extended Forecast for

2 Miles E Rockhouse AR

Heat Advisory until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind around 5 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Heat index values as high as 106. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 10pm.  Partly cloudy, with a low around 72. North wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 95. Calm wind becoming north around 5 mph in the afternoon.

    High: 95 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 100. Heat index values as high as 106. West wind around 5 mph.
Tonight
Mostly clear, with a low around 77. South wind around 5 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 102. Heat index values as high as 106. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 10pm. Partly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 95. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 96. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 97. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 70. Northeast wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 96. South wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southeast wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 99. South wind 5 to 10 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Rockhouse AR
 36.27°N 93.64°W
2:50 pm CDT Aug 18, 2026
4pm CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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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