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

Hot Weather in the West; Heavy Rainfall and Flooding in the Southwest

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S, with the Pacific Northwest carrying the potential for record-breaking high temperatures. Monsoonal moisture over the Southwest U.S. may lead to heavy rainfall and instances of flash flooding through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

A Few Clouds

88°F

31°C

Humidity 48%
Wind Speed Vrbl 3 mph
Barometer 29.97 in (1014.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 2 Sep 3:53 pm CDT
Extended Forecast for

Branch AR

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. North wind around 5 mph.

    High: 88 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. North wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. West wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming west around 5 mph in the morning.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 66. Calm wind.

    Low: 66 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 92. East wind around 5 mph becoming west in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. Northeast wind around 5 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 78. Northeast wind around 5 mph.

    High: 78 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. North wind around 5 mph.
Tonight
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. North wind around 5 mph becoming calm. Chance of precipitation is 30%.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 90. Calm wind becoming west around 5 mph in the morning.
Thursday Night
Clear, with a low around 66. Calm wind.
Friday
Mostly sunny, with a high near 92. East wind around 5 mph becoming west in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. Northeast wind around 5 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 78. Northeast wind around 5 mph.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62. East wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. East wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63. East wind around 5 mph.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 79. East wind around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Branch AR
 35.29°N 93.95°W
Last Update:
2:50 pm CDT Sep 2, 2025
Forecast Valid:
4pm CDT Sep 2, 2025-6pm CDT Sep 8, 2025
 
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