Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

79°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 30.02 in (1015.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 27 Jul 2:53 am CDT
Extended Forecast for

Branch AR

Heat Advisory July 27, 12:00pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Partly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the morning.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 97. Heat index values as high as 110. Calm wind becoming west around 5 mph in the morning.

    High: 97 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99. Calm wind becoming west around 5 mph.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 99. Calm wind becoming north around 5 mph.

    High: 99 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. East wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the morning.
Sunday Night
Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 97. Heat index values as high as 110. Calm wind becoming west around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 99. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 74. Calm wind.
Wednesday
Sunny, with a high near 99. Calm wind becoming north around 5 mph.
Wednesday Night
Mostly clear, with a low around 73. East wind around 5 mph becoming calm.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. East wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. East wind around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. East wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. East wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Branch AR
 35.31°N 93.95°W
1:50 am CDT Jul 27, 2025
3am CDT Jul 27, 2025-6pm CDT Aug 2, 2025
 
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