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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Overcast

82°F

28°C

Humidity 88%
Wind Speed Calm
Barometer 29.90 in (1012.0 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 29 Jul 7:53 pm CDT
Extended Forecast for

Excelsior AR

Heat Advisory July 30, 12:00pm until July 30, 09:00pm
Heat Advisory July 29, 08:55pm until July 29, 09:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory July 29, 08:55pm until July 29, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Tonight

    Low: 77 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 94. Heat index values as high as 106. East wind around 5 mph.

    High: 94 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. Southeast wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 98. Heat index values as high as 107. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 98 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. West wind around 5 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 91. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. North wind 5 to 10 mph.

    High: 90 °F

    Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. East wind around 5 mph. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 94. Heat index values as high as 106. East wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 76. Southeast wind around 5 mph.
Friday
Partly sunny, with a high near 98. Heat index values as high as 107. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. West wind around 5 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 91. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 70. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 90. North wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 70. Northeast wind 5 to 10 mph becoming light east in the evening.
Monday
Sunny, with a high near 92. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 71. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 73. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Excelsior AR
 35.2°N 94.34°W
Last Update:
7:50 pm CDT Jul 29, 2026
Forecast Valid:
8pm CDT Jul 29, 2026-6pm CDT Aug 5, 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