Hourly Weather Forecast - Perroy, Vaud, CH

9 PM
49°F
50%
7mph
W
50% Chance of Light Rain
Humidity
93%
Feels like
46°F
Dew Point
47°F
10 PM
49°F
40%
6mph
W
40% Chance of Light Rain
Humidity
93%
Feels like
46°F
Dew Point
47°F
11 PM
49°F
30%
7mph
W
30% Chance of Light Rain
Humidity
91%
Feels like
45°F
Dew Point
46°F

Snow Totals Through Tonight

Snow Impacts Great Lakes to New England

A low pressure system spurs a swath of snow from Wisconsin to New England today.

Monday's Weather Outlook

Monday'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

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

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Outdoor Sports Guide