Hourly Weather Forecast - Mount Vernon, IL

12 AM
35°F
80%
10mph
ENE
80% Chance of Rain
Humidity
74%
Feels like
28°F
Dew Point
28°F
1 AM
34°F
90%
10mph
ENE
Rain
Humidity
85%
Feels like
26°F
Dew Point
30°F
2 AM
33°F
90%
11mph
ENE
Rain
Humidity
92%
Feels like
24°F
Dew Point
31°F
3 AM
32°F
80%
10mph
ENE
80% Chance of Heavy Snow
Humidity
98%
Feels like
24°F
Dew Point
32°F
4 AM
32°F
80%
10mph
ENE
80% Chance of Heavy Snow
Humidity
100%
Feels like
23°F
Dew Point
32°F
5 AM
31°F
60%
10mph
ENE
60% Chance of Flurries
Humidity
100%
Feels like
23°F
Dew Point
31°F
6 AM
32°F
50%
10mph
E
50% Chance Freezing Rain
Humidity
98%
Feels like
24°F
Dew Point
32°F
6:26 AM
7 AM
34°F
40%
9mph
E
40% Chance of Light Rain
Humidity
100%
Feels like
27°F
Dew Point
34°F
8 AM
37°F
30%
9mph
E
30% Chance of Light Rain
Humidity
96%
Feels like
30°F
Dew Point
36°F
9 AM
39°F
20%
9mph
E
Cloudy
Humidity
91%
Feels like
33°F
Dew Point
37°F
10 AM
40°F
10%
9mph
E
Cloudy
Humidity
89%
Feels like
34°F
Dew Point
37°F
11 AM
40°F
10%
9mph
E
Mostly Cloudy
Humidity
88%
Feels like
35°F
Dew Point
37°F
12 PM
42°F
10%
8mph
E
Mostly Cloudy
Humidity
83%
Feels like
36°F
Dew Point
37°F
1 PM
43°F
10%
7mph
E
Mostly Cloudy
Humidity
82%
Feels like
39°F
Dew Point
38°F
2 PM
44°F
10%
6mph
E
Mostly Cloudy
Humidity
79%
Feels like
41°F
Dew Point
38°F
3 PM
44°F
10%
6mph
E
Mostly Cloudy
Humidity
79%
Feels like
41°F
Dew Point
38°F
4 PM
44°F
0%
5mph
ENE
Mostly Cloudy
Humidity
86%
Feels like
41°F
Dew Point
40°F
5 PM
42°F
0%
5mph
ENE
Mostly Cloudy
Humidity
92%
Feels like
39°F
Dew Point
39°F
5:49 PM
6 PM
40°F
0%
4mph
E
Mostly Cloudy
Humidity
95%
Feels like
37°F
Dew Point
38°F
7 PM
38°F
0%
4mph
E
Mostly Cloudy
Humidity
96%
Feels like
36°F
Dew Point
37°F
8 PM
38°F
0%
4mph
E
Foggy
Humidity
99%
Feels like
35°F
Dew Point
38°F
9 PM
37°F
0%
4mph
E
Foggy
Humidity
100%
Feels like
35°F
Dew Point
37°F
10 PM
37°F
0%
3mph
E
Foggy
Humidity
99%
Feels like
35°F
Dew Point
37°F
11 PM
37°F
0%
3mph
E
Foggy
Humidity
100%
Feels like
37°F
Dew Point
37°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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