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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

Harrison, Boone County Airport (KHRO)

Lat: 36.26°NLon: 93.15°WElev: 1365ft.

Fair

85°F

29°C

Humidity 57%
Wind Speed S 17 G 29 mph
Barometer 29.66 in (1002.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 17 Jun 12:53 pm CDT
Extended Forecast for

Rule AR

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. South wind around 15 mph, with gusts as high as 30 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Southwest wind 10 to 15 mph becoming light south after midnight. Winds could gust as high as 25 mph.

    Low: 70 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. North wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%.

    Low: 64 °F

    Chance
    T-storms then
    Showers

  • Juneteenth

    Juneteenth: A slight chance of thunderstorms before 7am. Partly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 10%.

    High: 81 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. South wind around 5 mph. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 87. South wind around 15 mph, with gusts as high as 30 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Southwest wind 10 to 15 mph becoming light south after midnight. Winds could gust as high as 25 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. North wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%.
Juneteenth
A slight chance of thunderstorms before 7am. Partly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 10%.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. South wind around 5 mph. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind 5 to 10 mph, with gusts as high as 25 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Showers and possibly a thunderstorm. Low around 71. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind around 5 mph becoming east after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming east around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rule AR
 36.27°N 93.45°W
Last Update:
12:50 pm CDT Jun 17, 2026
Forecast Valid:
1pm CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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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