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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

A Few Clouds

79°F

26°C

Humidity 88%
Wind Speed E 7 mph
Barometer 29.75 in (1006.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Jun 7:53 am CDT
Extended Forecast for

Altus AR

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 93. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 70. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 86. East wind 5 to 10 mph.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 70. East wind 5 to 10 mph.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 10am. Partly sunny, with a high near 87. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. East wind around 5 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 71. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    Low: 71 °F

    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Southwest wind 5 to 10 mph becoming north in the afternoon.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 93. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 70. East wind 5 to 10 mph, with gusts as high as 20 mph.
Juneteenth
A 40 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 86. East wind 5 to 10 mph.
Friday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 70. East wind 5 to 10 mph.
Saturday
Showers likely, with thunderstorms also possible after 10am. Partly sunny, with a high near 87. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. East wind around 5 mph. Chance of precipitation is 40%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Showers and possibly a thunderstorm. Low around 71. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Southwest wind 5 to 10 mph becoming north in the afternoon.
Monday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 69. East wind around 5 mph. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. East wind around 5 mph. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. East wind around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. East wind around 5 mph becoming south in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Altus AR
 35.44°N 93.76°W
Last Update:
7:50 am CDT Jun 18, 2026
Forecast Valid:
8am CDT Jun 18, 2026-6pm CDT Jun 24, 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