Hourly Weather Forecast - Mount Vernon, MO

12 AM
34°F
10%
6mph
SSW
Mostly Cloudy
Humidity
62%
Feels like
28°F
Dew Point
22°F
1 AM
34°F
10%
6mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
28°F
Dew Point
24°F
2 AM
34°F
10%
6mph
SSW
Mostly Cloudy
Humidity
69%
Feels like
28°F
Dew Point
25°F
3 AM
34°F
10%
6mph
SSW
Mostly Cloudy
Humidity
71%
Feels like
28°F
Dew Point
25°F
4 AM
34°F
10%
6mph
S
Mostly Cloudy
Humidity
72%
Feels like
28°F
Dew Point
26°F
5 AM
34°F
10%
6mph
S
Mostly Cloudy
Humidity
73%
Feels like
28°F
Dew Point
26°F
6 AM
35°F
10%
7mph
S
Mostly Cloudy
Humidity
70%
Feels like
30°F
Dew Point
26°F
7 AM
37°F
10%
7mph
S
Mostly Cloudy
Humidity
73%
Feels like
31°F
Dew Point
29°F
7:22 AM
8 AM
38°F
10%
7mph
S
Cloudy
Humidity
72%
Feels like
33°F
Dew Point
30°F
9 AM
40°F
10%
8mph
S
Cloudy
Humidity
71%
Feels like
35°F
Dew Point
32°F
10 AM
42°F
10%
9mph
S
Cloudy
Humidity
72%
Feels like
37°F
Dew Point
34°F
11 AM
44°F
10%
9mph
S
Cloudy
Humidity
72%
Feels like
39°F
Dew Point
36°F
12 PM
46°F
10%
10mph
S
Cloudy
Humidity
72%
Feels like
41°F
Dew Point
37°F
1 PM
47°F
10%
10mph
S
Cloudy
Humidity
70%
Feels like
43°F
Dew Point
38°F
2 PM
48°F
10%
11mph
S
Cloudy
Humidity
70%
Feels like
44°F
Dew Point
39°F
3 PM
48°F
20%
10mph
S
Cloudy
Humidity
72%
Feels like
43°F
Dew Point
39°F
4 PM
47°F
20%
10mph
S
Cloudy
Humidity
74%
Feels like
43°F
Dew Point
39°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday'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