Hourly Weather Forecast - Petersburg, IL

12 AM
59°F
10%
9mph
SW
Mostly Clear
Humidity
64%
Feels like
59°F
Dew Point
47°F
1 AM
58°F
10%
9mph
SW
Mostly Clear
Humidity
65%
Feels like
58°F
Dew Point
46°F
2 AM
57°F
10%
9mph
SSW
Mostly Clear
Humidity
66%
Feels like
57°F
Dew Point
46°F
3 AM
55°F
10%
10mph
SSW
Clear
Humidity
68%
Feels like
55°F
Dew Point
45°F
4 AM
54°F
10%
9mph
SSW
Clear
Humidity
69%
Feels like
54°F
Dew Point
44°F
5 AM
53°F
10%
3mph
S
Mostly Clear
Humidity
72%
Feels like
53°F
Dew Point
44°F
6 AM
51°F
10%
4mph
NNE
Partly Cloudy
Humidity
75%
Feels like
51°F
Dew Point
44°F
7 AM
51°F
10%
10mph
NNE
Partly Cloudy
Humidity
75%
Feels like
51°F
Dew Point
43°F
7:00 AM
8 AM
51°F
10%
13mph
NNE
Partly Cloudy
Humidity
71%
Feels like
51°F
Dew Point
42°F
9 AM
52°F
0%
13mph
NNE
Partly Cloudy
Humidity
64%
Feels like
52°F
Dew Point
41°F
10 AM
54°F
10%
14mph
N
Mostly Sunny
Humidity
58%
Feels like
54°F
Dew Point
40°F
11 AM
56°F
10%
14mph
N
Mostly Sunny
Humidity
54%
Feels like
56°F
Dew Point
39°F
12 PM
59°F
10%
14mph
N
Mostly Sunny
Humidity
49%
Feels like
59°F
Dew Point
40°F
1 PM
60°F
10%
14mph
N
Partly Cloudy
Humidity
46%
Feels like
60°F
Dew Point
40°F
2 PM
62°F
10%
14mph
N
Partly Cloudy
Humidity
43%
Feels like
62°F
Dew Point
39°F
3 PM
62°F
10%
14mph
N
Partly Cloudy
Humidity
42%
Feels like
62°F
Dew Point
38°F
4 PM
61°F
10%
14mph
N
Mostly Cloudy
Humidity
41%
Feels like
61°F
Dew Point
37°F
5 PM
59°F
10%
13mph
N
Cloudy
Humidity
42%
Feels like
59°F
Dew Point
37°F
6 PM
57°F
10%
13mph
N
Cloudy
Humidity
45%
Feels like
57°F
Dew Point
36°F
7 PM
55°F
10%
13mph
N
Cloudy
Humidity
47%
Feels like
55°F
Dew Point
35°F
7:13 PM
8 PM
52°F
10%
13mph
NNE
Cloudy
Humidity
50%
Feels like
52°F
Dew Point
34°F
9 PM
50°F
10%
13mph
NNE
Cloudy
Humidity
52%
Feels like
50°F
Dew Point
33°F
10 PM
48°F
10%
13mph
NNE
Cloudy
Humidity
54%
Feels like
42°F
Dew Point
32°F

Today's Severe Weather Outlook

Dangerous Storms Rumble Through Mid-Atlantic

Dangerous storms will quickly dart through the Mid-Atlantic this evening.

Snow Forecast Through Tuesday Evening

Snow, High Winds Plague Great Lakes With Blizzard Conditions

Tuesday's Weather Outlook

Today's Weather Outlook

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

Blizzard: Its True Definition

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