Hourly Weather Forecast - Mount Vernon, IL

12 AM
27°F
0%
9mph
WSW
Mostly Clear
Humidity
63%
Feels like
18°F
Dew Point
16°F
1 AM
27°F
0%
8mph
WSW
Mostly Clear
Humidity
63%
Feels like
19°F
Dew Point
16°F
2 AM
27°F
0%
8mph
WSW
Clear
Humidity
64%
Feels like
19°F
Dew Point
16°F
3 AM
27°F
0%
8mph
W
Clear
Humidity
66%
Feels like
19°F
Dew Point
17°F
4 AM
27°F
0%
7mph
W
Mostly Clear
Humidity
68%
Feels like
19°F
Dew Point
18°F
5 AM
27°F
0%
7mph
W
Mostly Clear
Humidity
70%
Feels like
20°F
Dew Point
19°F
6 AM
28°F
0%
7mph
W
Partly Cloudy
Humidity
70%
Feels like
20°F
Dew Point
19°F
7 AM
29°F
0%
7mph
W
Partly Cloudy
Humidity
72%
Feels like
22°F
Dew Point
21°F
7:12 AM
8 AM
31°F
0%
7mph
W
Partly Cloudy
Humidity
73%
Feels like
24°F
Dew Point
23°F
9 AM
33°F
0%
8mph
W
Partly Cloudy
Humidity
73%
Feels like
27°F
Dew Point
26°F
10 AM
35°F
0%
8mph
W
Partly Cloudy
Humidity
71%
Feels like
28°F
Dew Point
26°F
11 AM
36°F
0%
8mph
W
Partly Cloudy
Humidity
70%
Feels like
30°F
Dew Point
27°F
12 PM
37°F
0%
9mph
W
Mostly Cloudy
Humidity
69%
Feels like
30°F
Dew Point
28°F
1 PM
37°F
0%
8mph
W
Mostly Cloudy
Humidity
69%
Feels like
31°F
Dew Point
28°F
2 PM
37°F
0%
8mph
W
Mostly Cloudy
Humidity
69%
Feels like
31°F
Dew Point
28°F
3 PM
37°F
0%
8mph
W
Partly Cloudy
Humidity
70%
Feels like
30°F
Dew Point
28°F
4 PM
35°F
10%
7mph
W
Mostly Cloudy
Humidity
71%
Feels like
30°F
Dew Point
27°F
4:45 PM
5 PM
34°F
10%
5mph
W
Cloudy
Humidity
74%
Feels like
30°F
Dew Point
27°F
6 PM
33°F
10%
4mph
W
Cloudy
Humidity
75%
Feels like
30°F
Dew Point
26°F
7 PM
33°F
0%
4mph
W
Mostly Cloudy
Humidity
76%
Feels like
29°F
Dew Point
26°F
8 PM
32°F
0%
4mph
W
Partly Cloudy
Humidity
75%
Feels like
29°F
Dew Point
25°F
9 PM
32°F
0%
4mph
W
Partly Cloudy
Humidity
74%
Feels like
28°F
Dew Point
25°F
10 PM
31°F
0%
4mph
W
Mostly Clear
Humidity
71%
Feels like
28°F
Dew Point
23°F
11 PM
31°F
10%
4mph
W
Mostly Clear
Humidity
74%
Feels like
27°F
Dew Point
23°F

Snow Forecast Through Monday

Major Winter Storm Packs Heavy Snow, Significant Icing from Upper Midwest to New England

A major winter storm will deliver plentiful snow and significant icing from the Upper Midwest to New England.

Sunday's Weather Outlook

Sunday's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide