Hourly Weather Forecast - Holtsville, NY

9 AM
28°F
0%
14mph
WNW
Mostly Sunny
Humidity
63%
Feels like
17°F
Dew Point
17°F
10 AM
29°F
0%
14mph
WNW
Mostly Sunny
Humidity
58%
Feels like
18°F
Dew Point
16°F
11 AM
30°F
0%
14mph
WNW
Mostly Sunny
Humidity
56%
Feels like
19°F
Dew Point
16°F
12 PM
30°F
0%
14mph
WNW
Partly Cloudy
Humidity
56%
Feels like
19°F
Dew Point
16°F
1 PM
30°F
0%
14mph
WNW
Partly Cloudy
Humidity
54%
Feels like
19°F
Dew Point
16°F
2 PM
30°F
0%
14mph
WNW
Partly Cloudy
Humidity
55%
Feels like
20°F
Dew Point
16°F
3 PM
29°F
0%
13mph
WNW
Partly Cloudy
Humidity
54%
Feels like
19°F
Dew Point
15°F
4 PM
29°F
0%
13mph
WNW
Partly Cloudy
Humidity
55%
Feels like
18°F
Dew Point
15°F
5 PM
27°F
0%
12mph
WNW
Partly Cloudy
Humidity
57%
Feels like
16°F
Dew Point
14°F
5:37 PM
6 PM
25°F
0%
11mph
W
Partly Cloudy
Humidity
60%
Feels like
15°F
Dew Point
13°F
7 PM
23°F
0%
10mph
W
Mostly Clear
Humidity
63%
Feels like
13°F
Dew Point
13°F
8 PM
22°F
0%
8mph
W
Clear
Humidity
65%
Feels like
12°F
Dew Point
12°F
9 PM
20°F
0%
7mph
W
Partly Cloudy
Humidity
67%
Feels like
11°F
Dew Point
11°F
10 PM
19°F
0%
6mph
WSW
Partly Cloudy
Humidity
68%
Feels like
11°F
Dew Point
10°F
11 PM
19°F
0%
5mph
SW
Mostly Clear
Humidity
69%
Feels like
11°F
Dew Point
10°F

Snow Forecast Through Wednesday

Clipper System Brings a Quick Hit of Snow to Great Lakes

A quick hit of snow is expected across the Great Lakes into the Northeast.

Today's Weather Outlook

Today's Weather Outlook

Image Provided by janeb13 via Pixabay

Post Winter Storm and Actions to Take

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

Windchill chart

Dangers of Wind Chills

Story Image via pixabay.com

Avalanche Dangers and Safety

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