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.

Fair

83°F

28°C

Humidity 74%
Wind Speed NE 5 mph
Barometer 30.19 in (1021.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 17 Sep 12:53 am CDT
Extended Forecast for

Dyer AR

Heat Advisory September 17, 12:00pm until September 17, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 75. Calm wind becoming northeast around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 107. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 101 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

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

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Friday Night

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

    Low: 71 °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 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 75. Calm wind becoming northeast around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 107. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. South wind around 5 mph becoming calm.
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 73. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 100. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Northeast wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Northeast wind around 5 mph becoming calm.
Tuesday Night
Partly cloudy, with a low around 69. Northeast wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. Northeast wind around 5 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dyer AR
 35.49°N 94.15°W
Last Update:
12:50 am CDT Sep 17, 2026
Forecast Valid:
1am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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