Hourly Weather Forecast - Swansea, IL

12 AM
36°F
0%
8mph
SW
Mostly Cloudy
Humidity
79%
Feels like
29°F
Dew Point
30°F
1 AM
36°F
0%
7mph
SW
Mostly Cloudy
Humidity
80%
Feels like
31°F
Dew Point
31°F
2 AM
37°F
0%
6mph
SW
Cloudy
Humidity
83%
Feels like
32°F
Dew Point
32°F
3 AM
37°F
0%
5mph
WSW
Mostly Cloudy
Humidity
87%
Feels like
32°F
Dew Point
33°F
4 AM
37°F
0%
5mph
WSW
Mostly Cloudy
Humidity
89%
Feels like
33°F
Dew Point
34°F
5 AM
36°F
0%
4mph
WSW
Partly Cloudy
Humidity
93%
Feels like
33°F
Dew Point
35°F
6 AM
37°F
0%
4mph
WSW
Partly Cloudy
Humidity
85%
Feels like
33°F
Dew Point
33°F
7 AM
37°F
0%
3mph
W
Partly Cloudy
Humidity
85%
Feels like
35°F
Dew Point
33°F
7:11 AM
8 AM
39°F
0%
3mph
W
Mostly Sunny
Humidity
87%
Feels like
37°F
Dew Point
35°F
9 AM
41°F
0%
2mph
WNW
Sunny
Humidity
87%
Feels like
41°F
Dew Point
38°F
10 AM
43°F
0%
1mph
W
Mostly Sunny
Humidity
87%
Feels like
43°F
Dew Point
40°F
11 AM
45°F
0%
1mph
SSW
Mostly Sunny
Humidity
82%
Feels like
45°F
Dew Point
40°F
12 PM
47°F
0%
2mph
SSE
Sunny
Humidity
76%
Feels like
47°F
Dew Point
40°F
1 PM
49°F
0%
4mph
SSE
Mostly Sunny
Humidity
74%
Feels like
48°F
Dew Point
41°F
2 PM
50°F
0%
4mph
SSE
Mostly Sunny
Humidity
73%
Feels like
48°F
Dew Point
42°F
3 PM
49°F
0%
6mph
SSE
Mostly Sunny
Humidity
76%
Feels like
47°F
Dew Point
42°F
4 PM
47°F
0%
6mph
SE
Sunny
Humidity
80%
Feels like
45°F
Dew Point
41°F
4:40 PM
5 PM
45°F
0%
7mph
SE
Clear
Humidity
83%
Feels like
42°F
Dew Point
40°F
6 PM
44°F
0%
8mph
SE
Clear
Humidity
86%
Feels like
39°F
Dew Point
40°F
7 PM
42°F
0%
9mph
SSE
Mostly Clear
Humidity
88%
Feels like
37°F
Dew Point
39°F
8 PM
42°F
0%
10mph
S
Partly Cloudy
Humidity
94%
Feels like
36°F
Dew Point
40°F
9 PM
42°F
0%
11mph
S
Mostly Cloudy
Humidity
96%
Feels like
35°F
Dew Point
41°F
10 PM
42°F
0%
12mph
S
Foggy
Humidity
99%
Feels like
36°F
Dew Point
42°F
11 PM
43°F
10%
13mph
S
Foggy
Humidity
100%
Feels like
37°F
Dew Point
43°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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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