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

Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

92°F

33°C

Humidity 46%
Wind Speed NW 3 mph
Barometer 29.91 in (1012.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 12 Aug 5:53 pm CDT
Extended Forecast for

Island AR

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming northwest around 5 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Northeast wind around 5 mph becoming calm.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 101. Calm wind.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 71. Northeast wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 94. Heat index values as high as 101. Calm wind.
Thursday Night
Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96. Calm wind becoming south around 5 mph.
Monday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96. Calm wind becoming east around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Island AR
 35.42°N 94.12°W
Last Update:
5:56 pm CDT Aug 12, 2025
Forecast Valid:
6pm CDT Aug 12, 2025-6pm CDT Aug 19, 2025
 
Forecast Discussion
 
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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