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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

New Orleans, New Orleans International Airport (KMSY)

Lat: 29.99°NLon: 90.25°WElev: 3ft.

Overcast

87°F

31°C

Humidity 70%
Wind Speed S 18 G 26 mph
Barometer 29.81 in (1009.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Jun 1:53 pm CDT
Extended Forecast for

Mimosa Park LA

Flood Watch June 17, 02:37pm until June 19, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 17, 02:37pm until June 19, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • This Afternoon

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then showers and thunderstorms likely between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Low around 78. South wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 78 °F

    Showers
    Likely then
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 89. Heat index values as high as 106. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 80. South wind 10 to 15 mph.

    Low: 80 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. South wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 92 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light south wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. South wind around 15 mph.
Tonight
Showers and possibly a thunderstorm before 3am, then showers and thunderstorms likely between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Low around 78. South wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 89. Heat index values as high as 106. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 80. South wind 10 to 15 mph.
Juneteenth
A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. South wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light south wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 79. South wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 91. South wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 79. South wind around 10 mph.
Monday
Sunny, with a high near 93. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 78. South wind 5 to 10 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mimosa Park LA
 29.91°N 90.35°W
Last Update:
2:03 pm CDT Jun 17, 2026
Forecast Valid:
2pm CDT Jun 17, 2026-6pm CDT Jun 23, 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