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

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

A Few Clouds

82°F

28°C

Humidity 69%
Wind Speed NE 3 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 9 Sep 3:53 am CDT
Extended Forecast for

Ozark AR

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

  • Overnight

    Overnight: Clear, with a low around 74. Calm wind.

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the morning.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South wind around 5 mph becoming calm after midnight.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 95. Heat index values as high as 102. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 50%.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. North wind around 5 mph becoming east after midnight. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 94. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 50%.

    High: 94 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 71. East wind around 5 mph. Chance of precipitation is 10%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. East wind 5 to 10 mph.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 74. Calm wind.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm after midnight.
Thursday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 95. Heat index values as high as 102. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. North wind around 5 mph becoming east after midnight. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 94. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 50%.
Friday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 71. East wind around 5 mph. Chance of precipitation is 10%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. East wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 97. East wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 98. Southeast wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 96. Calm wind becoming south around 5 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ozark AR
 35.51°N 93.84°W
Last Update:
2:50 am CDT Sep 9, 2026
Forecast Valid:
3am 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