Hourly Weather Forecast - Mount Vernon, IL

12 AM
61°F
60%
11mph
SSW
60% Chance of Rain
Humidity
87%
Feels like
61°F
Dew Point
57°F
1 AM
60°F
60%
11mph
SSW
60% Chance of Rain
Humidity
90%
Feels like
60°F
Dew Point
57°F
2 AM
60°F
60%
12mph
SSW
60% Chance of Rain
Humidity
92%
Feels like
60°F
Dew Point
57°F
3 AM
59°F
60%
11mph
SSW
60% Chance of Rain
Humidity
94%
Feels like
59°F
Dew Point
57°F
4 AM
58°F
70%
11mph
SW
70% Chance of Rain
Humidity
95%
Feels like
58°F
Dew Point
57°F
5 AM
58°F
70%
11mph
SW
70% Chance of Rain
Humidity
93%
Feels like
58°F
Dew Point
56°F
6 AM
58°F
70%
11mph
SW
70% Chance of Rain
Humidity
88%
Feels like
58°F
Dew Point
55°F
6:19 AM
7 AM
60°F
70%
11mph
WSW
70% Chance Rain Showers
Humidity
84%
Feels like
60°F
Dew Point
55°F
8 AM
61°F
70%
11mph
W
70% Chance Rain Showers
Humidity
79%
Feels like
61°F
Dew Point
55°F
9 AM
62°F
70%
11mph
WNW
70% Chance Rain Showers
Humidity
73%
Feels like
62°F
Dew Point
53°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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