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

Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Harrison, Boone County Airport (KHRO)

Lat: 36.26°NLon: 93.15°WElev: 1365ft.

Fair

82°F

28°C

Humidity 58%
Wind Speed SE 6 mph
Barometer 30.12 in (1017.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 8 Sep 11:53 pm CDT
Extended Forecast for

Green Forest AR

Heat Advisory September 9, 12:00pm until September 9, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Clear, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 99. Heat index values as high as 105. Southwest wind 5 to 10 mph.

    High: 99 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South wind around 5 mph becoming north in the evening.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 88. West wind around 5 mph becoming north in the afternoon. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 70. South wind around 5 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. South wind around 5 mph.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 76. South wind around 5 mph.
Wednesday
Sunny, with a high near 99. Heat index values as high as 105. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming north in the evening.
Thursday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 88. West wind around 5 mph becoming north in the afternoon. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm. Chance of precipitation is 40%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 70. South wind around 5 mph. Chance of precipitation is 10%.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. South wind around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 94. South wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 71. South wind 5 to 10 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 90. Southwest wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Green Forest AR
 36.34°N 93.44°W
Last Update:
11:50 pm CDT Sep 8, 2026
Forecast Valid:
12am CDT Sep 9, 2026-6pm CDT Sep 15, 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