Hourly Weather Forecast - Petersburg, IL

12 AM
50°F
10%
5mph
WNW
Cloudy
Humidity
76%
Feels like
50°F
Dew Point
43°F
1 AM
49°F
10%
5mph
WNW
Mostly Cloudy
Humidity
75%
Feels like
47°F
Dew Point
42°F
3 AM
48°F
10%
6mph
WNW
Partly Cloudy
Humidity
74%
Feels like
45°F
Dew Point
40°F
4 AM
47°F
10%
7mph
WNW
Partly Cloudy
Humidity
74%
Feels like
43°F
Dew Point
39°F
5 AM
46°F
10%
7mph
W
Partly Cloudy
Humidity
76%
Feels like
42°F
Dew Point
38°F
6 AM
44°F
10%
7mph
W
Partly Cloudy
Humidity
78%
Feels like
40°F
Dew Point
38°F
6:22 AM
7 AM
44°F
10%
6mph
W
Partly Cloudy
Humidity
79%
Feels like
40°F
Dew Point
38°F
8 AM
45°F
10%
6mph
WSW
Partly Cloudy
Humidity
78%
Feels like
41°F
Dew Point
38°F
9 AM
47°F
10%
7mph
WSW
Partly Cloudy
Humidity
74%
Feels like
43°F
Dew Point
39°F

Snow and Ice Accumulations through Tuesday

Wintry Disturbance Hits Northeastern U.S.

A wintry disturbance will continue northeastward, buffeting the northeastern U.S. with light snow, freezing rain, and plain rain through Tuesday night.

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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