BAY ST LOUIS, MS 39520 Weather Forecast & Current Conditions

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SLIDELL, LA
Current Weather

10:53 PM CDT JUN 8, 2026
Clear
77°F
Feels Like: 78°F
Dewpoint: 72°F
Rel. Hum.: 85%
Visibility: 10 miles
Wind: ESE at 3 mph
Pressure: 30.09 inches
Last 72 hours

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BAY ST LOUIS, MS 39520
Weather Forecast

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REST OF TODAY
Partly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. Temperature falling into the upper 70s this afternoon. South winds 5 to 10 mph. Chance of rain 20 percent.
TONIGHT
Mostly cloudy. Areas of fog. Lows in the upper 60s. Southeast winds 5 to 10 mph.
THURSDAY
Patchy fog in the morning. Mostly cloudy in the morning, then mostly sunny with a slight chance of showers in the afternoon. Highs in the lower 80s. South winds 5 to 10 mph. Chance of rain 20 percent.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph, becoming southwest after midnight.
FRIDAY
Mostly cloudy with a 20 percent chance of showers. Highs in the lower 80s. Northwest winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy in the evening, then clearing. Cooler with lows in the mid 50s.
SATURDAY
Sunny. Highs in the upper 70s.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
SUNDAY
Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
SUNDAY NIGHT
A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50 percent.
MONDAY
Partly sunny. Cooler with highs around 70.
MONDAY NIGHT
Partly cloudy. Lows in the upper 40s.
TUESDAY
Sunny. Highs in the upper 60s.

Visible Weather Satellite
BAY ST LOUIS, MS 39520
Infrared Weather Satellite
BAY ST LOUIS, MS 39520
NEXRAD Weather Radar
BAY ST LOUIS, MS 39520

SLIDELL, LA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  6/ 8/2026
Tuesday
9 JUN 2026
BAY ST LOUIS, MS 39520 weather forecast Day 1, 0 hours 1 AM 76° 77° Mostly Cloudy 4%

0% Thunder
( 4% severe)
  CALM 85% 71°
Low 74° BAY ST LOUIS, MS 39520 weather forecast Day 1, 3 hours 4 AM 75° 75° Mostly Cloudy   CALM 90% 72°
High 89° BAY ST LOUIS, MS 39520 weather forecast Day 1, 6 hours 7 AM 75° 75° Mostly Cloudy 3%

0% Thunder
( 16% severe)
  CALM 90% 72°

Partly Cloudy



BAY ST LOUIS, MS 39520 weather forecast Day 1, 9 hours 10 AM 85° 92° Partly Cloudy SE   5 67% 73°
BAY ST LOUIS, MS 39520 weather forecast Day 1, 12 hours 1 PM 88° 96° Partly Cloudy 6%

0% Thunder
( 38% severe)
SSE   9 61% 73°
BAY ST LOUIS, MS 39520 weather forecast Day 1, 15 hours 4 PM 88° 96° Partly Cloudy SE   10 61% 73°
BAY ST LOUIS, MS 39520 weather forecast Day 1, 18 hours 7 PM 84° 90° Clear 2%

0% Thunder
( 14% severe)
SE   8 70% 73°
BAY ST LOUIS, MS 39520 weather forecast Day 1, 21 hours 10 PM 78° 80° Clear   CALM 85% 73°
Wednesday
10 JUN 2026
BAY ST LOUIS, MS 39520 weather forecast Day 2, 0 hours 1 AM 75° 75° Partly Cloudy 0%

0% Thunder
( 4% severe)
  CALM 90% 72°
Low 72° BAY ST LOUIS, MS 39520 weather forecast Day 2, 3 hours 4 AM 74° 74° Partly Cloudy   CALM 93% 72°
High 90° BAY ST LOUIS, MS 39520 weather forecast Day 2, 6 hours 7 AM 75° 75° Partly Cloudy 0%

0% Thunder
( 10% severe)
  CALM 90% 72°

Partly Cloudy



BAY ST LOUIS, MS 39520 weather forecast Day 2, 9 hours 10 AM 86° 92° Partly Cloudy SE   5 63% 72°
BAY ST LOUIS, MS 39520 weather forecast Day 2, 12 hours 1 PM 90° 96° Clear 1%

0% Thunder
( 23% severe)
SSE   9 54% 71°
BAY ST LOUIS, MS 39520 weather forecast Day 2, 15 hours 4 PM 89° 94° Clear SE   10 54% 70°
BAY ST LOUIS, MS 39520 weather forecast Day 2, 18 hours 7 PM 84° 89° Clear 0%

0% Thunder
( 8% severe)
SE   7 65% 71°
BAY ST LOUIS, MS 39520 weather forecast Day 2, 21 hours 10 PM 78° 80° Clear SSE   3 82% 72°

SLIDELL, LA extended weather forecast

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Low 73° Low 72° Low 73° Low 73° Low 73°
High 91° High 91° High 91° High 91° High 91°
BAY ST LOUIS, MS 39520 weather forecast Day 3 BAY ST LOUIS, MS 39520 weather forecast Day 4 BAY ST LOUIS, MS 39520 weather forecast Day 5 BAY ST LOUIS, MS 39520 weather forecast Day 6 BAY ST LOUIS, MS 39520 weather forecast Day 7
Partly Cloudy
17% Rain
Partly Cloudy
21% Rain
Partly Cloudy
27% Rain
Partly Cloudy
34% Rain
Partly Cloudy
52% Rain
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