Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Overcast

75°F

24°C

Humidity 69%
Wind Speed Vrbl 7 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 May 11:53 am CDT
Extended Forecast for

Fort Smith Regional Airport AR

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 79. East wind around 5 mph.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then showers likely between 1am and 4am, then showers and possibly a thunderstorm after 4am.  Low around 66. East wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 4pm.  High near 79. East wind around 5 mph becoming west in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A 10 percent chance of showers before 7pm.  Partly cloudy, with a low around 63. East wind around 5 mph becoming calm.

    Low: 63 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 80. Calm wind becoming northeast around 5 mph.

    High: 80 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Memorial Day

    Memorial Day: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 83. East wind around 5 mph.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. East wind around 5 mph.
Tonight
Showers and thunderstorms likely before 1am, then showers likely between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 66. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 4pm. High near 79. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 63. East wind around 5 mph becoming calm.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 83. Calm wind.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Calm wind becoming northeast around 5 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Memorial Day
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. East wind around 5 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind around 5 mph.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. East wind around 5 mph.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Southeast wind around 5 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Smith Regional Airport AR
 35.34°N 94.37°W
12:50 pm CDT May 21, 2026
1pm CDT May 21, 2026-6pm CDT May 27, 2026
 
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Additional Resources

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