Hourly Weather Forecast - Union, IL

2 AM
42°F
10%
17mph
S
Mostly Cloudy
Humidity
85%
Feels like
33°F
Dew Point
37°F
3 AM
42°F
30%
18mph
S
30% Chance of Light Rain
Humidity
87%
Feels like
34°F
Dew Point
39°F
4 AM
43°F
30%
18mph
S
30% Chance of Light Rain
Humidity
89%
Feels like
35°F
Dew Point
40°F
5 AM
44°F
30%
19mph
S
30% Chance of Light Rain
Humidity
91%
Feels like
35°F
Dew Point
41°F
6 AM
44°F
40%
19mph
S
40% Chance of Light Rain
Humidity
93%
Feels like
36°F
Dew Point
42°F
7 AM
46°F
30%
20mph
S
30% Chance of Light Rain
Humidity
93%
Feels like
38°F
Dew Point
44°F
7:17 AM
8 AM
47°F
30%
20mph
S
30% Chance of Light Rain
Humidity
92%
Feels like
40°F
Dew Point
45°F
9 AM
48°F
40%
19mph
S
40% Chance of Light Rain
Humidity
91%
Feels like
41°F
Dew Point
46°F
10 AM
49°F
50%
17mph
SSW
50% Chance of Light Rain
Humidity
92%
Feels like
42°F
Dew Point
46°F
11 AM
48°F
90%
15mph
SSW
Light Rain
Humidity
91%
Feels like
43°F
Dew Point
46°F
12 PM
47°F
100%
16mph
SW
Light Rain
Humidity
91%
Feels like
41°F
Dew Point
45°F
1 PM
45°F
70%
17mph
WSW
70% Chance of Light Rain
Humidity
91%
Feels like
38°F
Dew Point
43°F
2 PM
42°F
40%
16mph
W
40% Chance of Light Rain
Humidity
92%
Feels like
35°F
Dew Point
40°F
3 PM
39°F
20%
16mph
W
Mostly Cloudy
Humidity
91%
Feels like
31°F
Dew Point
37°F
4 PM
37°F
10%
16mph
WSW
Partly Cloudy
Humidity
89%
Feels like
28°F
Dew Point
34°F
4:23 PM
5 PM
34°F
10%
17mph
WSW
Mostly Cloudy
Humidity
92%
Feels like
23°F
Dew Point
31°F
6 PM
31°F
10%
19mph
W
Partly Cloudy
Humidity
91%
Feels like
18°F
Dew Point
28°F
7 PM
28°F
10%
20mph
W
Partly Cloudy
Humidity
90%
Feels like
14°F
Dew Point
25°F
8 PM
26°F
10%
20mph
W
Windy
Humidity
84%
Feels like
12°F
Dew Point
22°F
9 PM
24°F
10%
22mph
W
Windy
Humidity
79%
Feels like
9°F
Dew Point
18°F
10 PM
22°F
10%
23mph
W
Windy
Humidity
75%
Feels like
5°F
Dew Point
15°F
11 PM
19°F
10%
23mph
W
Windy
Humidity
73%
Feels like
2°F
Dew Point
12°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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