Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Overcast

67°F

19°C

Humidity 87%
Wind Speed E 8 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 May 5:53 am CDT
Extended Forecast for

Excelsior AR

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 79. East wind around 5 mph.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 64. East wind around 5 mph becoming northeast in the evening.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm.  Mostly cloudy, with a high near 79. East wind around 5 mph becoming west in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am.  Cloudy, then gradually becoming partly cloudy, with a low around 63. West wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 84. Calm wind becoming west around 5 mph.  Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm.  Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph.  Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm.

    Low: 65 °F

    Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. East wind around 5 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East wind around 5 mph becoming northeast in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 79. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 63. West wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. Calm wind becoming west around 5 mph. Chance of precipitation is 40%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm. Chance of precipitation is 60%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm.
Memorial Day
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 83. Southeast 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 67. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 84. South wind around 5 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Excelsior AR
 35.2°N 94.31°W
5:50 am CDT May 21, 2026
6am CDT May 21, 2026-6pm CDT May 27, 2026
 
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