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

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (KBTR)

Lat: 30.54°NLon: 91.15°WElev: 69ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.94 in (1013.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 18 Aug 5:53 am CDT
Extended Forecast for

5 Miles ESE Grosse Tete LA

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 10pm.  Mostly clear, with a low around 75. South wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Sunny and hot, with a high near 96. Calm wind becoming north around 5 mph.

    High: 96 °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 76. South wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely after 1pm.  Mostly sunny, with a high near 94. Calm wind becoming northwest around 5 mph.  Chance of precipitation is 60%.

    High: 94 °F

    Sunny then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph.

    High: 90 °F

    T-storms
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 75. South wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 96. Calm wind becoming north around 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 76. South wind around 5 mph becoming calm.
Thursday
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 94. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 91. Calm wind becoming north around 5 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Grosse Tete LA
 30.39°N 91.36°W
12:26 am CDT Aug 18, 2025
6am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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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