Hourly Weather Forecast - Rosemont, IL

12 AM
44°F
10%
3mph
S
Partly Cloudy
Humidity
92%
Feels like
44°F
Dew Point
42°F
1 AM
44°F
10%
3mph
S
Partly Cloudy
Humidity
95%
Feels like
44°F
Dew Point
43°F
2 AM
45°F
10%
2mph
S
Mostly Cloudy
Humidity
94%
Feels like
45°F
Dew Point
43°F
3 AM
45°F
10%
2mph
S
Mostly Cloudy
Humidity
96%
Feels like
45°F
Dew Point
44°F
4 AM
45°F
10%
2mph
S
Cloudy
Humidity
97%
Feels like
45°F
Dew Point
44°F
5 AM
45°F
10%
2mph
S
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
6 AM
45°F
10%
2mph
S
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
7 AM
46°F
20%
2mph
S
Foggy
Humidity
100%
Feels like
46°F
Dew Point
46°F
7:15 AM
8 AM
48°F
20%
2mph
S
Foggy
Humidity
100%
Feels like
48°F
Dew Point
48°F
9 AM
50°F
20%
2mph
S
Mostly Cloudy
Humidity
96%
Feels like
50°F
Dew Point
49°F
10 AM
52°F
20%
2mph
SSW
Mostly Cloudy
Humidity
93%
Feels like
52°F
Dew Point
50°F
11 AM
54°F
10%
3mph
SSW
Mostly Cloudy
Humidity
88%
Feels like
54°F
Dew Point
51°F
12 PM
56°F
10%
3mph
SW
Mostly Cloudy
Humidity
84%
Feels like
56°F
Dew Point
51°F
1 PM
57°F
10%
3mph
SW
Mostly Cloudy
Humidity
82%
Feels like
57°F
Dew Point
52°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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