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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

A Few Clouds

100°F

38°C

Humidity 37%
Wind Speed N 7 mph
Barometer 30.21 in (1022.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 17 Sep 12:53 pm CDT
Extended Forecast for

Ozark AR

Heat Advisory September 17, 01:33pm until September 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 01:33pm until September 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 101 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 73. East wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. Heat index values as high as 104. Calm wind becoming south around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 101. Heat index values as high as 107. East wind around 5 mph.
Tonight
Mostly clear, with a low around 73. East wind around 5 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 101. Heat index values as high as 104. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 101. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Northeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. East wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 68. Northeast wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. East wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ozark AR
 35.49°N 93.84°W
Last Update:
12:50 pm CDT Sep 17, 2026
Forecast Valid:
1pm CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
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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