Hourly Weather Forecast - Mount Vernon, IL

12 AM
28°F
10%
15mph
WNW
Mostly Cloudy
Humidity
64%
Feels like
16°F
Dew Point
17°F
1 AM
26°F
0%
15mph
WNW
Mostly Cloudy
Humidity
61%
Feels like
14°F
Dew Point
15°F
2 AM
25°F
0%
15mph
WNW
Mostly Cloudy
Humidity
61%
Feels like
13°F
Dew Point
14°F
3 AM
24°F
0%
14mph
WNW
Mostly Cloudy
Humidity
63%
Feels like
12°F
Dew Point
14°F
4 AM
24°F
0%
13mph
WNW
Mostly Cloudy
Humidity
66%
Feels like
11°F
Dew Point
14°F
5 AM
23°F
0%
12mph
WNW
Mostly Cloudy
Humidity
67%
Feels like
12°F
Dew Point
14°F
6 AM
24°F
0%
12mph
WNW
Partly Cloudy
Humidity
68%
Feels like
13°F
Dew Point
15°F
7 AM
26°F
0%
11mph
WNW
Partly Cloudy
Humidity
65%
Feels like
15°F
Dew Point
15°F
7:07 AM
8 AM
28°F
0%
11mph
WNW
Partly Cloudy
Humidity
62%
Feels like
18°F
Dew Point
16°F
9 AM
29°F
0%
11mph
WNW
Mostly Sunny
Humidity
59%
Feels like
20°F
Dew Point
17°F
10 AM
31°F
0%
11mph
WNW
Mostly Sunny
Humidity
57%
Feels like
22°F
Dew Point
17°F
11 AM
32°F
0%
9mph
W
Sunny
Humidity
54%
Feels like
25°F
Dew Point
18°F
12 PM
33°F
0%
8mph
W
Mostly Sunny
Humidity
52%
Feels like
26°F
Dew Point
18°F
1 PM
35°F
0%
7mph
W
Mostly Sunny
Humidity
49%
Feels like
28°F
Dew Point
18°F
2 PM
35°F
0%
7mph
W
Mostly Sunny
Humidity
48%
Feels like
29°F
Dew Point
17°F
3 PM
34°F
0%
6mph
W
Sunny
Humidity
48%
Feels like
29°F
Dew Point
17°F
4 PM
33°F
0%
5mph
WSW
Sunny
Humidity
52%
Feels like
28°F
Dew Point
17°F
4:37 PM
5 PM
32°F
0%
4mph
SSW
Clear
Humidity
55%
Feels like
28°F
Dew Point
18°F
6 PM
32°F
0%
4mph
S
Clear
Humidity
57%
Feels like
27°F
Dew Point
18°F
7 PM
32°F
0%
6mph
SSE
Clear
Humidity
58%
Feels like
27°F
Dew Point
19°F
8 PM
32°F
0%
7mph
SSE
Clear
Humidity
62%
Feels like
26°F
Dew Point
20°F
9 PM
32°F
0%
8mph
S
Clear
Humidity
65%
Feels like
24°F
Dew Point
21°F
10 PM
31°F
0%
9mph
S
Clear
Humidity
68%
Feels like
24°F
Dew Point
22°F
11 PM
31°F
0%
9mph
S
Clear
Humidity
69%
Feels like
23°F
Dew Point
22°F

Forecast Peak Wind Gusts Today

Clipper System Blasts Central, Eastern U.S. With Winter Impacts

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

NOAA, NCDC

White Christmas? What Are The Odds

Friday's Weather Outlook

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

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