Hourly Weather Forecast - Mount Vernon, IL

12 AM
29°F
0%
8mph
NW
Cloudy
Humidity
80%
Feels like
22°F
Dew Point
24°F
1 AM
28°F
0%
7mph
NW
Cloudy
Humidity
80%
Feels like
21°F
Dew Point
23°F
2 AM
28°F
0%
7mph
NW
Mostly Cloudy
Humidity
81%
Feels like
20°F
Dew Point
22°F
3 AM
27°F
0%
7mph
NW
Mostly Cloudy
Humidity
81%
Feels like
19°F
Dew Point
22°F
4 AM
26°F
0%
6mph
NW
Partly Cloudy
Humidity
83%
Feels like
19°F
Dew Point
21°F
5 AM
26°F
0%
5mph
NW
Partly Cloudy
Humidity
83%
Feels like
19°F
Dew Point
21°F
6 AM
26°F
0%
5mph
NW
Partly Cloudy
Humidity
81%
Feels like
20°F
Dew Point
21°F
7 AM
27°F
0%
4mph
NW
Partly Cloudy
Humidity
81%
Feels like
22°F
Dew Point
22°F
7:02 AM
8 AM
29°F
0%
4mph
WNW
Partly Cloudy
Humidity
80%
Feels like
25°F
Dew Point
23°F
9 AM
30°F
0%
4mph
WNW
Partly Cloudy
Humidity
76%
Feels like
27°F
Dew Point
24°F
10 AM
32°F
0%
4mph
W
Partly Cloudy
Humidity
73%
Feels like
28°F
Dew Point
24°F
11 AM
33°F
0%
4mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
29°F
Dew Point
24°F
12 PM
34°F
0%
5mph
WSW
Mostly Cloudy
Humidity
65%
Feels like
29°F
Dew Point
23°F
1 PM
34°F
0%
5mph
SW
Mostly Cloudy
Humidity
65%
Feels like
29°F
Dew Point
23°F
2 PM
34°F
0%
5mph
SW
Cloudy
Humidity
67%
Feels like
30°F
Dew Point
24°F
3 PM
34°F
10%
4mph
SSW
Cloudy
Humidity
67%
Feels like
30°F
Dew Point
24°F
4 PM
34°F
10%
5mph
S
Cloudy
Humidity
66%
Feels like
29°F
Dew Point
24°F
4:35 PM
5 PM
34°F
20%
5mph
SSE
Cloudy
Humidity
68%
Feels like
29°F
Dew Point
24°F
6 PM
34°F
10%
5mph
SSE
Cloudy
Humidity
71%
Feels like
29°F
Dew Point
26°F
7 PM
35°F
10%
6mph
SSE
Cloudy
Humidity
71%
Feels like
30°F
Dew Point
27°F
8 PM
36°F
10%
6mph
SSE
Cloudy
Humidity
70%
Feels like
30°F
Dew Point
27°F
9 PM
36°F
10%
7mph
SSE
Cloudy
Humidity
70%
Feels like
31°F
Dew Point
27°F
10 PM
36°F
10%
7mph
SSE
Mostly Cloudy
Humidity
70%
Feels like
30°F
Dew Point
28°F
11 PM
36°F
10%
8mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
30°F
Dew Point
28°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today'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