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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

Partly Cloudy

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 18 Aug 4:15 am CDT
Extended Forecast for

3 Miles SSW Uncle Sam LA

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 110. Calm wind becoming northeast around 5 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tonight

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

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming northeast around 5 mph.

    High: 94 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 95. Calm wind becoming northeast around 5 mph.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 94. Calm wind. Chance of precipitation is 60%.

    High: 94 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind.

    High: 91 °F

    T-storms
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 110. Calm wind becoming northeast around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 74. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming northeast around 5 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 75. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 95. Calm wind becoming northeast around 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 75. Calm wind.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 94. Calm wind. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind.
Friday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74. Calm wind.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 89. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming northeast around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Uncle Sam LA
 29.99°N 90.8°W
Last Update:
12:26 am CDT Aug 18, 2025
Forecast Valid:
4am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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