Hourly Weather Forecast - Union, IA

10 AM
33°F
10%
17mph
W
Mostly Cloudy
Humidity
80%
Feels like
23°F
Dew Point
28°F
11 AM
32°F
10%
21mph
W
Windy
Humidity
74%
Feels like
19°F
Dew Point
24°F
12 PM
30°F
0%
24mph
WNW
Windy
Humidity
68%
Feels like
16°F
Dew Point
20°F
1 PM
27°F
0%
25mph
WNW
Windy
Humidity
66%
Feels like
12°F
Dew Point
17°F
2 PM
25°F
10%
25mph
WNW
Windy
Humidity
71%
Feels like
9°F
Dew Point
17°F
3 PM
22°F
30%
26mph
WNW
30% Chance of Snow
Humidity
73%
Feels like
5°F
Dew Point
15°F
4 PM
19°F
10%
25mph
WNW
Windy
Humidity
70%
Feels like
2°F
Dew Point
11°F
4:42 PM
5 PM
16°F
30%
24mph
WNW
30% Chance of Snow
Humidity
71%
Feels like
-2°F
Dew Point
9°F
6 PM
14°F
10%
24mph
WNW
Windy
Humidity
66%
Feels like
-5°F
Dew Point
5°F
7 PM
13°F
10%
24mph
WNW
Windy
Humidity
68%
Feels like
-6°F
Dew Point
5°F
8 PM
13°F
10%
24mph
NW
Windy
Humidity
72%
Feels like
-7°F
Dew Point
5°F
9 PM
12°F
10%
24mph
NW
Windy
Humidity
75%
Feels like
-8°F
Dew Point
6°F
10 PM
12°F
10%
23mph
NW
Windy
Humidity
73%
Feels like
-8°F
Dew Point
5°F
11 PM
11°F
10%
23mph
NW
Windy
Humidity
70%
Feels like
-8°F
Dew Point
4°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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