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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Fair

78°F

26°C

Humidity 87%
Wind Speed Calm
Barometer 29.98 in (1015.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 9 Aug 8:53 pm CDT
Extended Forecast for

Lacombe LA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am. Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Increasing clouds, with a high near 92. Northeast wind 5 to 10 mph becoming southeast in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Northeast wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 70%.

    High: 92 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 92 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 3am. Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.
Sunday
A 50 percent chance of showers and thunderstorms. Increasing clouds, with a high near 92. Northeast wind 5 to 10 mph becoming southeast in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Northeast wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Sunny and hot, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm.
Saturday
A chance of showers and thunderstorms. Sunny and hot, with a high near 96. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lacombe LA
 30.3°N 89.94°W
Last Update:
5:21 pm CDT Aug 9, 2025
Forecast Valid:
9pm CDT Aug 9, 2025-6pm CDT Aug 16, 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