National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Acadiana Regional Airport (KARA)

Lat: 30.03°NLon: 91.88°WElev: 13ft.

Fair

77°F

25°C

Humidity 96%
Wind Speed W 3 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Aug 12:53 am CDT
Extended Forecast for

Saint Martinville LA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • 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 91. Heat index values as high as 102. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 20%.

    High: 91 °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 93. Heat index values as high as 105. Northeast wind around 5 mph.

    High: 93 °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. 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

  • Monday Night

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

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 73. Calm wind.
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 91. Heat index values as high as 102. 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 93. Heat index values as high as 105. Northeast 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. 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. South wind around 5 mph becoming calm in the evening.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. 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 94.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Martinville LA
 30.13°N 91.82°W
Last Update:
12:45 am CDT Aug 28, 2026
Forecast Valid:
1am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation