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

Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

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 69%
Wind Speed SE 5 mph
Barometer 30.01 in (1014.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 Aug 6:53 pm CDT
Extended Forecast for

Alpena AR

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming clear, with a low around 68. Calm wind.

    Low: 68 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. North wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming east around 5 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

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

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. South wind around 5 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming clear, with a low around 68. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 65. North wind around 5 mph becoming calm.
Friday
Sunny, with a high near 90. Calm wind becoming east around 5 mph.
Friday Night
Mostly clear, with a low around 64. Calm wind.
Saturday
Sunny, with a high near 93. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 68. South wind around 5 mph.
Sunday
Sunny, with a high near 93. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 70. South wind around 5 mph.
Monday
Sunny, with a high near 93. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 71. South wind around 5 mph.
Tuesday
Sunny, with a high near 94. South wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 73. South wind around 5 mph.
Wednesday
Sunny, with a high near 95. Southwest wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alpena AR
 36.29°N 93.31°W
Last Update:
6:56 pm CDT Aug 26, 2026
Forecast Valid:
7pm CDT Aug 26, 2026-6pm CDT Sep 2, 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