Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

80°F

27°C

Humidity 82%
Wind Speed E 3 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 21 Jun 12:53 am CDT
Extended Forecast for

Altus AR

Flood Warning June 21, 01:31am until June 21, 01:00pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning June 21, 01:31am until June 21, 01:00pm

    NOW until 1:00pm Sat

    Flood Warning

  • Overnight

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 105. Southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 73. South wind 5 to 10 mph becoming southeast after midnight.

    Low: 73 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Heat index values as high as 103. East wind 5 to 10 mph becoming south in the afternoon.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South wind around 5 mph becoming calm  after midnight.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 94. Calm wind becoming south around 5 mph in the morning.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Sunny, with a high near 95. East wind around 5 mph becoming south in the afternoon.

    High: 95 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 73. East wind around 5 mph.
Saturday
Sunny, with a high near 96. Heat index values as high as 105. Southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 73. South wind 5 to 10 mph becoming southeast after midnight.
Sunday
Sunny, with a high near 96. Heat index values as high as 103. East wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 72. South wind around 5 mph becoming calm after midnight.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming south around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95. East wind around 5 mph becoming south in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. East wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. East wind around 5 mph becoming south in the afternoon.
Wednesday Night
Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Altus AR
 35.45°N 93.79°W
1:08 am CDT Jun 21, 2025
1am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database