Hourly Weather Forecast - Petersburg, IL

12 AM
41°F
0%
10mph
SSW
Clear
Humidity
80%
Feels like
35°F
Dew Point
35°F
1 AM
41°F
0%
10mph
SSW
Clear
Humidity
81%
Feels like
35°F
Dew Point
35°F
2 AM
41°F
0%
9mph
SW
Clear
Humidity
82%
Feels like
35°F
Dew Point
36°F
3 AM
40°F
0%
8mph
SW
Clear
Humidity
83%
Feels like
35°F
Dew Point
35°F
4 AM
40°F
0%
7mph
WSW
Clear
Humidity
84%
Feels like
35°F
Dew Point
35°F
5 AM
39°F
0%
7mph
WSW
Clear
Humidity
85%
Feels like
34°F
Dew Point
35°F
6 AM
38°F
0%
7mph
W
Mostly Clear
Humidity
86%
Feels like
33°F
Dew Point
35°F
6:58 AM
7 AM
39°F
0%
7mph
WNW
Sunny
Humidity
85%
Feels like
34°F
Dew Point
35°F
8 AM
40°F
0%
7mph
WNW
Sunny
Humidity
84%
Feels like
35°F
Dew Point
35°F
9 AM
41°F
0%
8mph
NW
Sunny
Humidity
81%
Feels like
36°F
Dew Point
36°F
10 AM
43°F
0%
8mph
NW
Sunny
Humidity
76%
Feels like
38°F
Dew Point
36°F
11 AM
46°F
0%
8mph
NW
Sunny
Humidity
70%
Feels like
42°F
Dew Point
37°F
12 PM
48°F
0%
8mph
NNW
Sunny
Humidity
65%
Feels like
44°F
Dew Point
37°F
1 PM
49°F
0%
9mph
NNW
Mostly Sunny
Humidity
61%
Feels like
46°F
Dew Point
36°F
2 PM
50°F
0%
9mph
NNW
Mostly Sunny
Humidity
58%
Feels like
46°F
Dew Point
36°F
3 PM
49°F
0%
9mph
NNW
Partly Cloudy
Humidity
57%
Feels like
46°F
Dew Point
35°F
4 PM
48°F
0%
8mph
NNW
Partly Cloudy
Humidity
59%
Feels like
44°F
Dew Point
34°F
5 PM
45°F
0%
7mph
NNW
Partly Cloudy
Humidity
63%
Feels like
41°F
Dew Point
33°F
5:29 PM
6 PM
42°F
10%
7mph
N
Mostly Clear
Humidity
67%
Feels like
38°F
Dew Point
32°F
7 PM
41°F
10%
6mph
N
Partly Cloudy
Humidity
69%
Feels like
36°F
Dew Point
31°F
8 PM
39°F
10%
6mph
N
Partly Cloudy
Humidity
71%
Feels like
34°F
Dew Point
31°F
9 PM
38°F
10%
6mph
N
Partly Cloudy
Humidity
73%
Feels like
33°F
Dew Point
30°F
10 PM
37°F
10%
6mph
N
Mostly Cloudy
Humidity
74%
Feels like
32°F
Dew Point
29°F
11 PM
36°F
10%
6mph
NNE
Mostly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
29°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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