Hourly Weather Forecast - Union, IL

12 AM
24°F
10%
13mph
S
Cloudy
Humidity
63%
Feels like
12°F
Dew Point
13°F
1 AM
24°F
10%
14mph
S
Mostly Cloudy
Humidity
66%
Feels like
12°F
Dew Point
15°F
2 AM
25°F
0%
14mph
S
Mostly Clear
Humidity
69%
Feels like
13°F
Dew Point
16°F
3 AM
25°F
10%
15mph
S
Clear
Humidity
71%
Feels like
13°F
Dew Point
17°F
4 AM
26°F
10%
15mph
S
Mostly Clear
Humidity
73%
Feels like
14°F
Dew Point
18°F
5 AM
27°F
10%
15mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
15°F
Dew Point
19°F
6 AM
28°F
10%
14mph
SSW
Cloudy
Humidity
71%
Feels like
17°F
Dew Point
20°F
7 AM
30°F
10%
14mph
SSW
Cloudy
Humidity
68%
Feels like
20°F
Dew Point
21°F
7:18 AM
8 AM
32°F
10%
14mph
SSW
Mostly Cloudy
Humidity
68%
Feels like
22°F
Dew Point
22°F
9 AM
34°F
10%
13mph
SSW
Partly Cloudy
Humidity
66%
Feels like
25°F
Dew Point
24°F
10 AM
36°F
10%
13mph
SW
Mostly Cloudy
Humidity
65%
Feels like
27°F
Dew Point
25°F
11 AM
37°F
10%
13mph
SW
Cloudy
Humidity
63%
Feels like
29°F
Dew Point
26°F
12 PM
38°F
10%
13mph
WSW
Cloudy
Humidity
61%
Feels like
30°F
Dew Point
26°F
1 PM
39°F
10%
13mph
WSW
Mostly Cloudy
Humidity
61%
Feels like
31°F
Dew Point
26°F
2 PM
39°F
10%
12mph
WSW
Mostly Cloudy
Humidity
63%
Feels like
31°F
Dew Point
27°F
3 PM
38°F
10%
12mph
W
Partly Cloudy
Humidity
67%
Feels like
30°F
Dew Point
28°F
4 PM
37°F
10%
11mph
W
Mostly Cloudy
Humidity
71%
Feels like
29°F
Dew Point
28°F
4:24 PM
5 PM
35°F
10%
11mph
W
Cloudy
Humidity
76%
Feels like
27°F
Dew Point
28°F
6 PM
33°F
0%
10mph
W
Cloudy
Humidity
78%
Feels like
25°F
Dew Point
27°F
7 PM
32°F
0%
10mph
W
Cloudy
Humidity
80%
Feels like
24°F
Dew Point
27°F
8 PM
31°F
0%
10mph
W
Mostly Cloudy
Humidity
81%
Feels like
22°F
Dew Point
26°F
9 PM
30°F
0%
11mph
WNW
Mostly Cloudy
Humidity
79%
Feels like
21°F
Dew Point
24°F
10 PM
28°F
0%
11mph
WNW
Mostly Cloudy
Humidity
76%
Feels like
19°F
Dew Point
22°F
11 PM
27°F
0%
11mph
WNW
Partly Cloudy
Humidity
71%
Feels like
17°F
Dew Point
19°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.

Tuesday's Weather Outlook

Today'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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