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.

Overcast

78°F

26°C

Humidity 90%
Wind Speed E 3 mph
Barometer 30.09 in (1018.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Jul 6:53 am CDT
Extended Forecast for

Altus AR

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

    Today: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 93. Heat index values as high as 109. Southeast wind around 5 mph becoming southwest in the morning.

    High: 93 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 75. South wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 97. Heat index values as high as 111. 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 75. Southwest wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Tuesday

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

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Northwest wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 99. Calm wind becoming north around 5 mph in the afternoon.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 74. East wind around 5 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 96. East wind around 5 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Heat index values as high as 109. Southeast wind around 5 mph becoming southwest in the morning.
Tonight
Mostly cloudy, then gradually becoming mostly clear, 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 111. Calm wind becoming west around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 99. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Northwest wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. East wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. East wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. East wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. East wind 5 to 10 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:
Altus AR
 35.44°N 93.76°W
6:50 am CDT Jul 27, 2025
7am CDT Jul 27, 2025-6pm CDT Aug 2, 2025
 
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Additional Resources

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