Hourly Weather Forecast - Grand Isle, LA

12 AM
54°F
0%
3mph
SE
Mostly Clear
Humidity
81%
Feels like
54°F
Dew Point
48°F
1 AM
54°F
0%
3mph
SSE
Mostly Clear
Humidity
81%
Feels like
54°F
Dew Point
48°F
2 AM
55°F
0%
4mph
S
Mostly Clear
Humidity
81%
Feels like
55°F
Dew Point
49°F
3 AM
55°F
0%
4mph
SSW
Partly Cloudy
Humidity
80%
Feels like
55°F
Dew Point
49°F
4 AM
56°F
0%
4mph
SW
Partly Cloudy
Humidity
80%
Feels like
56°F
Dew Point
49°F
5 AM
56°F
0%
5mph
WSW
Partly Cloudy
Humidity
80%
Feels like
56°F
Dew Point
50°F
6 AM
57°F
0%
5mph
WSW
Partly Cloudy
Humidity
80%
Feels like
57°F
Dew Point
51°F
6:43 AM
7 AM
58°F
0%
6mph
WSW
Mostly Sunny
Humidity
78%
Feels like
58°F
Dew Point
51°F
8 AM
59°F
0%
6mph
WSW
Mostly Sunny
Humidity
75%
Feels like
59°F
Dew Point
51°F
9 AM
61°F
0%
7mph
W
Mostly Sunny
Humidity
72%
Feels like
61°F
Dew Point
52°F
10 AM
62°F
0%
8mph
W
Mostly Sunny
Humidity
71%
Feels like
62°F
Dew Point
53°F
11 AM
63°F
0%
9mph
W
Mostly Sunny
Humidity
69%
Feels like
63°F
Dew Point
53°F
12 PM
64°F
0%
9mph
WSW
Mostly Sunny
Humidity
68%
Feels like
64°F
Dew Point
54°F
1 PM
65°F
0%
10mph
W
Mostly Sunny
Humidity
67%
Feels like
65°F
Dew Point
54°F
2 PM
66°F
0%
10mph
W
Mostly Sunny
Humidity
67%
Feels like
66°F
Dew Point
54°F
3 PM
66°F
0%
10mph
W
Mostly Sunny
Humidity
68%
Feels like
66°F
Dew Point
55°F
4 PM
65°F
0%
10mph
W
Sunny
Humidity
72%
Feels like
65°F
Dew Point
55°F
5 PM
64°F
0%
10mph
W
Sunny
Humidity
77%
Feels like
64°F
Dew Point
56°F
5:02 PM
6 PM
62°F
0%
9mph
W
Clear
Humidity
82%
Feels like
62°F
Dew Point
57°F
7 PM
62°F
0%
9mph
WNW
Mostly Clear
Humidity
84%
Feels like
62°F
Dew Point
56°F
8 PM
61°F
0%
9mph
WNW
Mostly Clear
Humidity
84%
Feels like
61°F
Dew Point
56°F
9 PM
60°F
0%
9mph
NW
Partly Cloudy
Humidity
85%
Feels like
60°F
Dew Point
56°F
10 PM
60°F
0%
9mph
NNW
Partly Cloudy
Humidity
85%
Feels like
60°F
Dew Point
55°F
11 PM
59°F
0%
11mph
N
Mostly Clear
Humidity
84%
Feels like
59°F
Dew Point
54°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide