Hourly Weather Forecast - Petersburg, IL

12 AM
35°F
10%
7mph
NNE
Mostly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
29°F
1 AM
34°F
10%
7mph
NNE
Cloudy
Humidity
79%
Feels like
29°F
Dew Point
29°F
2 AM
33°F
10%
7mph
NNE
Cloudy
Humidity
81%
Feels like
27°F
Dew Point
28°F
3 AM
33°F
10%
6mph
NNE
Cloudy
Humidity
82%
Feels like
27°F
Dew Point
28°F
4 AM
32°F
10%
6mph
NNE
Cloudy
Humidity
83%
Feels like
26°F
Dew Point
27°F
5 AM
31°F
10%
6mph
NNE
Mostly Cloudy
Humidity
84%
Feels like
25°F
Dew Point
27°F
6 AM
31°F
10%
6mph
NNE
Mostly Cloudy
Humidity
84%
Feels like
24°F
Dew Point
27°F
6:57 AM
7 AM
31°F
10%
6mph
NE
Partly Cloudy
Humidity
82%
Feels like
25°F
Dew Point
26°F
8 AM
32°F
10%
7mph
NE
Partly Cloudy
Humidity
79%
Feels like
26°F
Dew Point
27°F
9 AM
34°F
10%
7mph
NE
Partly Cloudy
Humidity
74%
Feels like
28°F
Dew Point
27°F
10 AM
36°F
10%
7mph
ENE
Mostly Sunny
Humidity
69%
Feels like
31°F
Dew Point
27°F
11 AM
39°F
10%
7mph
ENE
Mostly Sunny
Humidity
62%
Feels like
34°F
Dew Point
27°F
12 PM
41°F
10%
6mph
ENE
Partly Cloudy
Humidity
57%
Feels like
37°F
Dew Point
27°F
1 PM
43°F
10%
7mph
ENE
Partly Cloudy
Humidity
54%
Feels like
38°F
Dew Point
27°F
2 PM
44°F
10%
7mph
ENE
Mostly Sunny
Humidity
52%
Feels like
40°F
Dew Point
27°F
3 PM
44°F
10%
7mph
ENE
Mostly Sunny
Humidity
51%
Feels like
40°F
Dew Point
27°F
4 PM
43°F
10%
6mph
ENE
Mostly Sunny
Humidity
54%
Feels like
39°F
Dew Point
28°F
5 PM
41°F
10%
6mph
ENE
Partly Cloudy
Humidity
58%
Feels like
37°F
Dew Point
28°F
5:30 PM
6 PM
40°F
0%
5mph
ENE
Partly Cloudy
Humidity
63%
Feels like
36°F
Dew Point
28°F
7 PM
38°F
0%
6mph
ENE
Mostly Cloudy
Humidity
66%
Feels like
34°F
Dew Point
28°F
8 PM
37°F
10%
6mph
E
Cloudy
Humidity
69%
Feels like
32°F
Dew Point
28°F
9 PM
36°F
10%
7mph
E
Cloudy
Humidity
72%
Feels like
30°F
Dew Point
28°F
10 PM
35°F
10%
7mph
E
Cloudy
Humidity
74%
Feels like
29°F
Dew Point
28°F
11 PM
35°F
20%
7mph
E
Cloudy
Humidity
76%
Feels like
29°F
Dew Point
28°F

Sunday Morning's Low Temperatures

Snow, Record-Breaking Cold Impacts Great Lakes & Northeast

Frigid temperatures, high winds, and snow headed to a large portion of the eastern U.S. through this weekend.

Weekend Weather Outlook

Weekend Weather Outlook

Image courtesy of Pixabay.com

All About Snow Squalls

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image by Frauke Feind from Pixabay

During Strong Winds: Stay Ready

Windchill chart

Dangers of Wind Chills

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