Hourly Weather Forecast - Rosemont, Ontario, CA

11 AM
28°F
70%
8mph
SSW
70% Chance Frozen Mix
Humidity
92%
Feels like
19°F
Dew Point
26°F
12 PM
28°F
70%
8mph
SSW
70% Chance of Heavy Snow
Humidity
94%
Feels like
20°F
Dew Point
26°F
1 PM
28°F
70%
8mph
SSW
70% Chance Frozen Mix
Humidity
95%
Feels like
20°F
Dew Point
26°F
2 PM
28°F
30%
8mph
SW
30% Chance of Snow
Humidity
91%
Feels like
19°F
Dew Point
25°F
3 PM
27°F
30%
9mph
SW
30% Chance of Heavy Snow
Humidity
86%
Feels like
18°F
Dew Point
23°F
4 PM
26°F
10%
9mph
SW
Partly Cloudy
Humidity
84%
Feels like
17°F
Dew Point
22°F
5 PM
25°F
10%
9mph
SW
Partly Cloudy
Humidity
80%
Feels like
15°F
Dew Point
19°F
5:09 PM
6 PM
23°F
0%
9mph
SW
Partly Cloudy
Humidity
79%
Feels like
13°F
Dew Point
17°F
7 PM
22°F
0%
10mph
SW
Mostly Cloudy
Humidity
79%
Feels like
11°F
Dew Point
16°F
8 PM
20°F
0%
10mph
SW
Partly Cloudy
Humidity
81%
Feels like
9°F
Dew Point
15°F
9 PM
19°F
0%
10mph
SW
Partly Cloudy
Humidity
82%
Feels like
7°F
Dew Point
14°F
10 PM
18°F
10%
11mph
SW
Mostly Cloudy
Humidity
80%
Feels like
6°F
Dew Point
13°F
11 PM
17°F
30%
11mph
SW
30% Chance of Snow
Humidity
82%
Feels like
5°F
Dew Point
13°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Northeast

A couple low pressure systems will produce additional snowfall across the Great Lakes, Upper Midwest, and Northeast this weekend into the upcoming week.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold 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

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