Grand Isle, LA Current Weather Conditions

Current weather observations and 72-hour history for Grand Isle, LA. • View 5-Day Forecast ›

▼Current Conditions — Grand Isle, LA

GALLIANO (KGAO)

Clear

82.4 F

Humidity:	65%
Wind Speed:	SE 10.3 G 16.1 mph
Barometer:	29.99 in
Dewpoint:	69.3 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	86.0 F
Wind Chill:	NA

Apr 27 2026, 12:55 PM CDT

Alert Subscriptions

Severe Weather

Tornado, flood & storm warnings

Observations

Station conditions & threshold alerts

Daily Forecast

Morning summary delivered daily

Lightning

Real-time strike alerts

▼State Weather Snapshot — Louisiana

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — Louisiana

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼Hourly Observation History — Grand Isle, LA

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
12:55 PM CDT	SE 10.3 G 16.1	10.00	Clear	--	82.4	69.3	65%	NA	86.0	29.99	1015.6
12:35 PM CDT	12.8 G 19.7	10.00	Clear	--	82.2	68.4	63%	NA	85.3	30.00	1015.9
12:15 PM CDT	11.4 G 17.2	10.00	Clear	--	82.0	69.4	66%	NA	85.6	30.00	1015.9
11:55 AM CDT	SE 9.2 G 17.2	10.00	Clear	--	81.9	70.0	67%	NA	85.6	30.01	1016.3
11:35 AM CDT	12.8 G 18.3	10.00	Partly Cloudy	--	81.9	70.3	68%	NA	85.8	30.01	1016.3
11:15 AM CDT	10.3 G 16.1	10.00	Partly Cloudy	--	81.5	70.5	69%	NA	85.5	30.01	1016.3
10:55 AM CDT	11.4 G 17.2	10.00	Partly Cloudy	--	81.1	71.1	72%	NA	85.1	30.00	1015.9
10:35 AM CDT	10.3 G 16.1	10.00	Partly Cloudy	--	80.8	71.2	73%	NA	84.7	30.00	1015.9
10:15 AM CDT	10.3 G 17.2	10.00	Partly Cloudy	--	80.2	71.6	75%	NA	84.0	29.99	1015.6
09:55 AM CDT	12.8 G 17.2	10.00	Mostly Cloudy	--	79.3	71.1	76%	NA	82.4	29.99	1015.6
09:35 AM CDT	SE 8.1	10.00	Partly Cloudy	--	78.4	71.1	78%	NA	79.7	29.99	1015.6
09:15 AM CDT	10.3 G 17.2	10.00	Mostly Cloudy	--	78.4	70.9	78%	NA	79.7	29.98	1015.2
08:55 AM CDT	10.3	10.00	Mostly Cloudy	--	78.1	70.9	79%	NA	79.3	29.97	1014.9
08:35 AM CDT	9.2	10.00	Partly Cloudy	--	77.5	70.7	80%	NA	78.8	29.97	1014.9
08:15 AM CDT	8.1	10.00	Partly Cloudy	--	76.3	70.0	81%	NA	77.4	29.97	1014.9
07:55 AM CDT	9.2	10.00	Mostly Cloudy	--	76.6	70.7	82%	NA	77.9	29.96	1014.6
07:35 AM CDT	8.1	10.00	Cloudy	--	75.7	70.7	84%	NA	77.0	29.96	1014.6
07:15 AM CDT	8.1	10.00	Cloudy	--	75.4	70.9	86%	NA	76.6	29.95	1014.2
06:55 AM CDT	8.1	10.00	Mostly Cloudy	--	74.7	70.9	88%	NA	75.9	29.94	1013.9
06:35 AM CDT	SE 5.8	10.00	Cloudy	--	74.5	70.7	88%	NA	75.7	29.94	1013.9
06:15 AM CDT	SE 4.7	10.00	Cloudy	--	74.7	70.7	87%	NA	75.9	29.94	1013.6
05:55 AM CDT	SE 5.8	10.00	Cloudy	--	75.2	70.7	86%	NA	76.5	29.92	1013.2
05:35 AM CDT	SE 5.8	10.00	Mostly Cloudy	--	75.2	70.7	86%	NA	76.5	29.92	1013.2
05:15 AM CDT	4.7	10.00	Mostly Cloudy	--	75.2	70.7	86%	NA	76.5	29.92	1013.2
04:55 AM CDT	5.8	10.00	Mostly Cloudy	--	75.0	70.3	85%	NA	76.3	29.91	1012.9
04:35 AM CDT	8.1	10.00	Mostly Cloudy	--	75.0	70.5	86%	NA	76.3	29.91	1012.9
04:15 AM CDT	8.1	10.00	Mostly Cloudy	--	75.2	70.7	86%	NA	76.5	29.90	1012.5
03:55 AM CDT	6.9	10.00	Cloudy	--	74.8	70.7	87%	NA	76.1	29.91	1012.9
03:35 AM CDT	6.9	10.00	Mostly Cloudy	--	75.2	70.7	86%	NA	76.5	29.91	1012.9
03:15 AM CDT	5.8	10.00	Mostly Cloudy	--	75.2	70.9	86%	NA	76.5	29.90	1012.5
02:55 AM CDT	5.8	10.00	Mostly Cloudy	--	75.2	70.9	86%	NA	76.5	29.90	1012.5
02:35 AM CDT	6.9	10.00	Mostly Cloudy	--	74.7	70.7	87%	NA	75.9	29.90	1012.5
02:15 AM CDT	6.9	10.00	Partly Cloudy	--	74.8	70.7	87%	NA	76.1	29.90	1012.5
01:55 AM CDT	4.7	10.00	Mostly Cloudy	--	74.8	70.9	88%	NA	76.1	29.91	1012.9
01:35 AM CDT	4.7	10.00	Partly Cloudy	--	74.5	70.7	88%	NA	75.7	29.92	1013.2
01:15 AM CDT	5.8	10.00	Partly Cloudy	--	74.5	70.7	88%	NA	75.7	29.92	1013.2
12:55 AM CDT	5.8	10.00	Mostly Cloudy	--	74.7	70.7	87%	NA	75.9	29.94	1013.6
12:35 AM CDT	S 6.9	10.00	Partly Cloudy	--	74.8	70.7	87%	NA	76.1	29.94	1013.6
12:15 AM CDT	5.8	10.00	Partly Cloudy	--	75.2	70.7	86%	NA	76.5	29.94	1013.6
11:55 PM CDT	5.8	10.00	Partly Cloudy	--	75.2	70.7	86%	NA	76.5	29.94	1013.6
11:35 PM CDT	5.8	10.00	Clear	--	74.8	70.3	86%	NA	76.1	29.92	1013.2
11:15 PM CDT	5.8	10.00	Clear	--	74.8	70.2	85%	NA	76.1	29.92	1013.2
10:55 PM CDT	4.7	10.00	Clear	--	75.2	70.0	84%	NA	76.3	29.92	1013.2
10:35 PM CDT	4.7	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.92	1013.2
10:15 PM CDT	5.8	10.00	Clear	--	75.0	69.6	83%	NA	76.1	29.92	1013.2
09:55 PM CDT	SE 4.7	10.00	Clear	--	74.7	68.9	82%	NA	75.7	29.92	1013.2
09:35 PM CDT	4.7	10.00	Clear	--	74.7	68.9	82%	NA	75.7	29.92	1013.2
09:15 PM CDT	5.8	10.00	Clear	--	74.3	68.9	83%	NA	75.4	29.91	1012.9
08:55 PM CDT	4.7	10.00	Clear	--	74.1	69.1	84%	NA	75.2	29.91	1012.9
08:35 PM CDT	4.7	10.00	NULL	--	74.3	68.9	83%	NA	75.4	29.91	1012.9
08:15 PM CDT	4.7	10.00	Clear	--	75.2	68.9	81%	NA	76.3	29.91	1012.9
07:55 PM CDT	4.7	10.00	Clear	--	75.4	69.1	81%	NA	76.5	29.90	1012.5
07:35 PM CDT	3.4	10.00	Clear	--	75.9	68.9	79%	NA	77.0	29.90	1012.5
07:15 PM CDT	5.8	10.00	Clear	--	77.0	69.1	77%	NA	78.1	29.89	1012.2
06:55 PM CDT	5.8	10.00	Clear	--	77.9	68.9	74%	NA	78.8	29.89	1012.2
06:35 PM CDT	5.8	10.00	Clear	--	78.3	68.9	73%	NA	79.2	29.89	1012.2
06:15 PM CDT	S 8.1	10.00	Clear	--	79.2	68.4	70%	NA	81.7	29.89	1012.2
05:55 PM CDT	8.1	10.00	Clear	--	79.5	68.9	70%	NA	82.2	29.89	1012.2
05:35 PM CDT	5.8	10.00	Clear	--	80.1	68.4	68%	NA	82.8	29.89	1012.2
05:15 PM CDT	SE 8.1	10.00	Partly Cloudy	--	80.6	69.3	68%	NA	83.7	29.89	1012.2
04:55 PM CDT	8.1	10.00	Clear	--	80.1	69.4	70%	NA	83.1	29.89	1012.2
04:35 PM CDT	9.2	10.00	Partly Cloudy	--	80.1	70.0	71%	NA	83.3	29.88	1011.9
04:15 PM CDT	8.1	10.00	Partly Cloudy	--	79.5	69.8	72%	NA	82.4	29.88	1011.9
03:55 PM CDT	6.9	10.00	Partly Cloudy	--	80.6	70.9	72%	NA	84.4	29.88	1011.9
03:35 PM CDT	SE 11.4 G 17.2	10.00	Partly Cloudy	--	80.6	70.9	72%	NA	84.4	29.89	1012.2
03:15 PM CDT	8.1	10.00	Clear	--	80.8	70.7	71%	NA	84.6	29.89	1012.2
02:55 PM CDT	9.2	10.00	Partly Cloudy	--	80.2	69.6	70%	NA	83.3	29.90	1012.5
02:35 PM CDT	5.8	10.00	Partly Cloudy	--	79.9	69.3	70%	NA	82.8	29.91	1012.9
02:15 PM CDT	6.9	10.00	Clear	--	80.1	68.5	68%	NA	82.8	29.91	1012.9
01:55 PM CDT	E 8.1	10.00	Partly Cloudy	--	80.1	68.7	68%	NA	82.9	29.91	1012.9
01:35 PM CDT	8.1	10.00	Mostly Cloudy	--	78.6	69.3	73%	NA	79.7	29.91	1012.9
01:15 PM CDT	E 8.1	10.00	Partly Cloudy	--	78.6	69.1	73%	NA	79.5	29.92	1013.2