Hourly Weather Forecast - Union, MO

12 AM
15°F
0%
3mph
SE
Clear
Humidity
47%
Feels like
15°F
Dew Point
-1°F
1 AM
15°F
0%
3mph
SE
Clear
Humidity
48%
Feels like
15°F
Dew Point
-1°F
2 AM
14°F
0%
3mph
SE
Clear
Humidity
49%
Feels like
14°F
Dew Point
-1°F
3 AM
13°F
0%
3mph
SE
Clear
Humidity
51%
Feels like
13°F
Dew Point
-1°F
4 AM
13°F
0%
3mph
SE
Clear
Humidity
52%
Feels like
7°F
Dew Point
-1°F
5 AM
13°F
0%
3mph
SSE
Clear
Humidity
53%
Feels like
7°F
Dew Point
-1°F
6 AM
12°F
0%
3mph
SSE
Clear
Humidity
53%
Feels like
6°F
Dew Point
-1°F
7 AM
13°F
10%
4mph
SSE
Mostly Clear
Humidity
58%
Feels like
7°F
Dew Point
1°F
7:13 AM
8 AM
15°F
10%
4mph
S
Mostly Cloudy
Humidity
57%
Feels like
9°F
Dew Point
3°F
9 AM
19°F
10%
5mph
S
Cloudy
Humidity
51%
Feels like
12°F
Dew Point
4°F
10 AM
23°F
10%
5mph
S
Cloudy
Humidity
46%
Feels like
16°F
Dew Point
5°F
11 AM
26°F
10%
6mph
S
Cloudy
Humidity
44%
Feels like
19°F
Dew Point
7°F
12 PM
29°F
10%
6mph
SSW
Cloudy
Humidity
43%
Feels like
22°F
Dew Point
9°F
1 PM
30°F
10%
6mph
SSW
Cloudy
Humidity
45%
Feels like
23°F
Dew Point
11°F
2 PM
30°F
10%
6mph
SSW
Mostly Cloudy
Humidity
50%
Feels like
24°F
Dew Point
14°F
3 PM
31°F
10%
6mph
SSW
Mostly Cloudy
Humidity
53%
Feels like
25°F
Dew Point
15°F
4 PM
30°F
10%
5mph
SSW
Partly Cloudy
Humidity
56%
Feels like
25°F
Dew Point
16°F
4:44 PM
5 PM
30°F
10%
3mph
SSW
Mostly Clear
Humidity
58%
Feels like
27°F
Dew Point
17°F
6 PM
31°F
10%
2mph
SSW
Clear
Humidity
60%
Feels like
31°F
Dew Point
18°F
7 PM
31°F
20%
2mph
SSW
Clear
Humidity
61%
Feels like
31°F
Dew Point
19°F
8 PM
31°F
20%
2mph
SSW
Clear
Humidity
62%
Feels like
31°F
Dew Point
20°F
9 PM
31°F
20%
3mph
SSW
Clear
Humidity
64%
Feels like
31°F
Dew Point
20°F
10 PM
30°F
20%
2mph
SSW
Clear
Humidity
68%
Feels like
30°F
Dew Point
21°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide