Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Overcast

80°F

27°C

Humidity 79%
Wind Speed Vrbl 3 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 15 Jul 12:53 am CDT
Extended Forecast for

Lavaca AR

Flood Watch July 15, 02:14am until July 15, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 15, 02:14am until July 15, 10:00am

    NOW until 10:00am Tue

    Flood Watch

  • Overnight

    Low: 72 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the morning.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 96. Calm wind becoming southwest around 5 mph.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 96. Calm wind becoming southwest around 5 mph.
Friday Night
Mostly clear, with a low around 75. East wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 95. East wind around 5 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 96. Calm wind becoming south around 5 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lavaca AR
 35.34°N 94.17°W
2:06 am CDT Jul 15, 2025
2am CDT Jul 15, 2025-6pm CDT Jul 21, 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