Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Acadiana Regional Airport (KARA)

Lat: 30.03°NLon: 91.88°WElev: 13ft.

A Few Clouds

86°F

30°C

Humidity 72%
Wind Speed W 6 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 27 Aug 4:53 pm CDT
Extended Forecast for

Saint Martinville LA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a steady temperature around 85. South wind around 5 mph.

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm  in the evening.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming northeast around 5 mph in the morning.  Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 94. North wind around 5 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. East wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 93. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 93 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 85. South wind around 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. North wind around 5 mph.
Saturday Night
Mostly clear, with a low around 73. East wind around 5 mph becoming calm.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Martinville LA
 30.13°N 91.84°W
4:45 pm CDT Aug 27, 2026
5pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database