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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Mostly Cloudy

76°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.95 in (1014.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 20 Jun 4:53 am CDT
Extended Forecast for

2 Miles NNE Lacombe LA

Heat Advisory June 20, 12:00pm until June 20, 06:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 92. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Partly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 78. East wind around 5 mph becoming south after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 91. Heat index values as high as 105. South wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 95. Southwest wind 5 to 10 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. West wind around 5 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. West wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. West wind around 5 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 92. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 11pm, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 78. East wind around 5 mph becoming south after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 91. Heat index values as high as 105. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 79. South wind around 10 mph.
Monday
Sunny and hot, with a high near 95. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 95. West wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 77. West wind around 5 mph.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. West wind around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Lacombe LA
 30.33°N 89.91°W
Last Update:
3:36 am CDT Jun 20, 2026
Forecast Valid:
5am CDT Jun 20, 2026-6pm CDT Jun 26, 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