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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and 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

79°F

26°C

Humidity 90%
Wind Speed E 5 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 25 Jul 4:53 am CDT
Extended Forecast for

Riverdale AR

Heat Advisory July 25, 12:00pm until July 25, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A 20 percent chance of showers. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 112. East wind 5 to 10 mph becoming southwest in the morning. Chance of precipitation is 20%.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 101. Heat index values as high as 112. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 102 °F

    Hot

  • Monday Night

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

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. Calm wind becoming west around 5 mph in the afternoon.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Partly cloudy, with a low around 76. Calm wind.
Saturday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 112. East wind 5 to 10 mph becoming southwest in the morning. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 101. Heat index values as high as 112. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 102. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 104. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny and hot, with a high near 100. Calm wind becoming southeast around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 77. East wind around 5 mph.
Thursday
Mostly sunny, with a high near 99. East wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. East wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98. East wind around 5 mph becoming south in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverdale AR
 35.42°N 94.09°W
Last Update:
5:11 am CDT Jul 25, 2026
Forecast Valid:
5am CDT Jul 25, 2026-6pm CDT Jul 31, 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