Hourly Weather Forecast - Holtsville, NY

12 AM
26°F
30%
14mph
W
30% Chance of Snow
Humidity
48%
Feels like
15°F
Dew Point
9°F
1 AM
25°F
30%
14mph
W
30% Chance of Snow
Humidity
47%
Feels like
13°F
Dew Point
8°F
2 AM
25°F
30%
15mph
W
30% Chance of Snow
Humidity
46%
Feels like
12°F
Dew Point
7°F

Tuesday's Weather Outlook

Today's Weather Outlook

Rain and snow showers will sweep through the Great Lakes as the Western U.S. begins a pattern of quiet and dry weather.

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

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