Hourly Weather Forecast - Petersburg, IL

12 AM
28°F
0%
6mph
ESE
Clear
Humidity
73%
Feels like
21°F
Dew Point
20°F
1 AM
27°F
0%
6mph
ESE
Clear
Humidity
74%
Feels like
20°F
Dew Point
20°F
2 AM
26°F
0%
6mph
ESE
Clear
Humidity
76%
Feels like
20°F
Dew Point
20°F
3 AM
26°F
0%
5mph
ESE
Clear
Humidity
77%
Feels like
20°F
Dew Point
20°F
4 AM
25°F
0%
5mph
SE
Clear
Humidity
79%
Feels like
20°F
Dew Point
20°F
5 AM
25°F
0%
4mph
SE
Clear
Humidity
80%
Feels like
19°F
Dew Point
20°F
6 AM
25°F
0%
4mph
SE
Clear
Humidity
81%
Feels like
20°F
Dew Point
20°F
6:59 AM
7 AM
26°F
0%
4mph
SSE
Sunny
Humidity
79%
Feels like
21°F
Dew Point
21°F
8 AM
28°F
0%
4mph
SSE
Sunny
Humidity
76%
Feels like
23°F
Dew Point
22°F
9 AM
31°F
0%
5mph
SSE
Sunny
Humidity
73%
Feels like
26°F
Dew Point
23°F
10 AM
34°F
0%
5mph
S
Sunny
Humidity
69%
Feels like
29°F
Dew Point
25°F
11 AM
38°F
0%
5mph
S
Sunny
Humidity
65%
Feels like
34°F
Dew Point
28°F
12 PM
42°F
0%
6mph
S
Sunny
Humidity
61%
Feels like
38°F
Dew Point
29°F
1 PM
45°F
0%
6mph
S
Sunny
Humidity
59%
Feels like
41°F
Dew Point
31°F
2 PM
47°F
0%
6mph
SSW
Sunny
Humidity
57%
Feels like
43°F
Dew Point
32°F
3 PM
47°F
0%
7mph
S
Sunny
Humidity
58%
Feels like
44°F
Dew Point
33°F
4 PM
46°F
0%
7mph
S
Sunny
Humidity
63%
Feels like
42°F
Dew Point
34°F
5 PM
43°F
0%
7mph
S
Sunny
Humidity
71%
Feels like
39°F
Dew Point
34°F
5:28 PM
6 PM
41°F
0%
8mph
S
Clear
Humidity
77%
Feels like
35°F
Dew Point
34°F
7 PM
40°F
0%
9mph
S
Clear
Humidity
79%
Feels like
34°F
Dew Point
34°F
8 PM
40°F
0%
10mph
S
Clear
Humidity
79%
Feels like
34°F
Dew Point
34°F
9 PM
40°F
0%
10mph
S
Clear
Humidity
79%
Feels like
33°F
Dew Point
34°F
10 PM
40°F
0%
11mph
S
Clear
Humidity
79%
Feels like
34°F
Dew Point
35°F
11 PM
41°F
0%
11mph
SSW
Clear
Humidity
79%
Feels like
34°F
Dew Point
35°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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