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Hazardous Weather Conditions

Dense Fog Advisory issued February 28 at 8:12PM CST until March 2 at 9:00AM CST
Dense Fog Advisory issued February 28 at 8:36PM CST until March 1 at 9:00AM CST

Current Conditions: GRAND ISLE, LOUISIANA

Fog/Mist


53.2 F
Last Updated on Mar 1 2026, 01:15 AM CST
Humidity: 92%
Wind Speed: 0.0 mph
Barometer: 30.10 in
Dewpoint: 51.1 F
Visibility: 1.75 mi
Precip: --
Heat Index: NA
Wind Chill: NA
Current conditions at:

GALLIANO (KGAO)

Lat: 29.44 Lon: -90.26

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5 Day Forecast for GRAND ISLE, LOUISIANA (70358)

Sunday
Partly Sunny
High 68 °F
Sunday
Night
Mostly Clear
Low 62 °F
Monday
Mostly Sunny
High 69 °F
Monday
Night
Partly Cloudy
Low 64 °F
Tuesday
Mostly Cloudy
High 71 °F
Tuesday
Night
Partly Cloudy
Low 66 °F
Wednesday
Slight Chance of Showers
High 73 °F
Wednesday
Night
Slight Chance of Showers
Low 68 °F
Thursday
Chance of Rain Showers
High 73 °F



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Observation History for GRAND ISLE, LOUISIANA


Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
01:15 AM CST 0.0 1.75 Fog/Mist -- 53.2 51.1 92% NA NA 30.10 1019.3
12:55 AM CST 0.0 7.00 Clear -- 53.6 51.3 92% NA NA 30.10 1019.3
12:35 AM CST 0.0 1.00 Fog/Mist -- 54.3 52.0 92% NA NA 30.10 1019.3
12:15 AM CST 10.00 Clear -- NULL % NA NA M
11:55 PM CST 0.0 10.00 Clear -- 59.0 55.0 87% NA NA 30.10 1019.3
11:35 PM CST 0.0 10.00 Clear -- 59.0 55.8 89% NA NA 30.10 1019.3
11:15 PM CST 0.0 10.00 Clear -- 59.9 55.4 85% NA NA 30.10 1019.3
10:55 PM CST 0.0 10.00 Clear -- 57.6 53.8 87% NA NA 30.10 1019.3
10:35 PM CST 0.0 10.00 Clear -- 58.3 53.6 84% NA NA 30.10 1019.3
10:15 PM CST 0.0 10.00 NULL -- 61.5 54.5 78% NA NA 30.10 1019.3
09:55 PM CST 3.4 10.00 Clear -- 61.9 54.3 76% NA NA 30.10 1019.3
09:35 PM CST 3.4 10.00 Clear -- 60.1 54.5 82% NA NA 30.09 1019.0
09:15 PM CST 3.4 10.00 Clear -- 60.8 55.4 82% NA NA 30.10 1019.3
08:55 PM CST 0.0 10.00 Clear -- 61.7 55.0 79% NA NA 30.09 1019.0
08:35 PM CST 0.0 10.00 Clear -- 62.2 55.6 79% NA NA 30.08 1018.6
08:15 PM CST 4.7 10.00 Clear -- 61.9 54.9 78% NA NA 30.07 1018.3
07:55 PM CST 3.4 10.00 Clear -- 62.1 54.3 76% NA NA 30.07 1018.3
07:35 PM CST 0.0 10.00 Clear -- 61.9 53.8 75% NA NA 30.07 1018.3
07:15 PM CST 3.4 10.00 Clear -- 62.8 54.0 73% NA NA 30.07 1018.3
06:55 PM CST 0.0 10.00 Clear -- 63.5 54.5 72% NA NA 30.06 1018.0
06:35 PM CST 0.0 10.00 Clear -- 64.0 54.5 71% NA NA 30.06 1018.0
06:15 PM CST 0.0 10.00 Clear -- 65.8 54.0 66% NA NA 30.07 1018.3
05:55 PM CST 0.0 10.00 Clear -- 67.3 54.1 63% NA NA 30.06 1018.0
05:35 PM CST E 4.7 10.00 Clear -- 68.9 53.2 57% NA NA 30.06 1018.0

Regional Weather Observation

GALLIANO (KGAO)

Fog/Mist
53.2 F

NEW ORLEANS NAS (KNBG)

Fog/Mist
51.1 F

HOUMA TERREBONNE (KHUM)

Clear
64.4 F

(KLNQ)


F

NEW ORLEANS/INTL (KMSY)

Clear
60.8 F

NEW ORLEANS/LAKE (KNEW)

Clear
60.8 F

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