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

Heavy Rainfall and Severe Thunderstorms in the Midwest and Southwest; Heat Continues in the Southern U.S.

Heavy to excessive rainfall could bring flooding today through Thursday across parts of the central Plains into the Midwest and southern Arizona and New Mexico. Scattered strong to severe thunderstorms may impact parts of eastern Nebraska into western Iowa later today into early evening. Heat Advisories remain in place across much of east Texas into the mid-Mississippi Valley today and Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

89°F

32°C

Humidity 59%
Wind Speed E 5 mph
Barometer 30.06 in (1017.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 14 Sep 9:53 am CDT
Extended Forecast for

Bonanza AR

Heat Advisory September 14, 12:00pm until September 14, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers after 4pm. Sunny and hot, with a high near 101. Heat index values as high as 107. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 101 °F

    Sunny then
    Isolated
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Heat index values as high as 104. South wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Mostly sunny and hot, with a high near 100. South wind around 5 mph.

    High: 100 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 99. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 99 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm after midnight.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 99. Calm wind becoming south around 5 mph in the afternoon.

    High: 99 °F

    Sunny

Detailed Forecast

Today
Isolated showers after 4pm. Sunny and hot, with a high near 101. Heat index values as high as 107. South wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 101. Heat index values as high as 104. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny and hot, with a high near 100. South wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 99. 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 after midnight.
Friday
Sunny, with a high near 99. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 98. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers. Mostly clear, with a low around 73. Southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96. Southeast wind around 5 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bonanza AR
 35.22°N 94.42°W
Last Update:
9:50 am CDT Sep 14, 2026
Forecast Valid:
10am CDT Sep 14, 2026-6pm CDT Sep 20, 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