Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Acadiana Regional Airport (KARA)

Lat: 30.03°NLon: 91.88°WElev: 13ft.

Rain

82°F

28°C

Humidity 79%
Wind Speed S 10 G 25 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 75°F (24°C)
Visibility 6.00 mi
Heat Index89°F (32°C)
Last update 5 Sep 11:53 am CDT
Extended Forecast for

Saint Martinville LA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 88. Heat index values as high as 100. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 74. West wind around 5 mph becoming calm.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming northwest around 5 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Labor Day

    Labor Day: Showers likely and possibly a thunderstorm after 1pm.  Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 94 °F

    Sunny then
    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely after 1pm.  Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 92 °F

    Sunny then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. South wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 91. Southeast wind around 5 mph.  Chance of precipitation is 70%.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. Heat index values as high as 100. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 74. West wind around 5 mph becoming calm.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming northwest around 5 mph.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Labor Day
Showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Southeast wind around 5 mph. Chance of precipitation is 70%.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 74.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Martinville LA
 30.13°N 91.84°W
12:00 pm CDT Sep 5, 2026
12pm CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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