Hourly Weather Forecast - Petersburg, IL

12 AM
26°F
0%
10mph
SE
Partly Cloudy
Humidity
68%
Feels like
16°F
Dew Point
17°F
1 AM
26°F
0%
10mph
SE
Partly Cloudy
Humidity
68%
Feels like
16°F
Dew Point
17°F
2 AM
25°F
0%
11mph
SE
Partly Cloudy
Humidity
69%
Feels like
15°F
Dew Point
16°F
3 AM
25°F
0%
11mph
SE
Mostly Cloudy
Humidity
69%
Feels like
14°F
Dew Point
16°F
4 AM
25°F
0%
11mph
SE
Mostly Cloudy
Humidity
68%
Feels like
14°F
Dew Point
16°F
5 AM
25°F
0%
11mph
SE
Mostly Cloudy
Humidity
67%
Feels like
14°F
Dew Point
15°F
6 AM
25°F
10%
11mph
SE
Mostly Cloudy
Humidity
66%
Feels like
14°F
Dew Point
15°F
7 AM
26°F
10%
12mph
SE
Mostly Cloudy
Humidity
66%
Feels like
15°F
Dew Point
16°F
7:01 AM
8 AM
26°F
10%
12mph
SE
Partly Cloudy
Humidity
65%
Feels like
16°F
Dew Point
16°F
9 AM
27°F
10%
13mph
SE
Partly Cloudy
Humidity
64%
Feels like
17°F
Dew Point
17°F
10 AM
29°F
0%
13mph
SE
Partly Cloudy
Humidity
61%
Feels like
19°F
Dew Point
18°F
11 AM
32°F
0%
13mph
SE
Mostly Sunny
Humidity
58%
Feels like
22°F
Dew Point
19°F
12 PM
34°F
0%
12mph
SE
Sunny
Humidity
56%
Feels like
25°F
Dew Point
19°F
1 PM
35°F
0%
12mph
SE
Mostly Sunny
Humidity
54%
Feels like
26°F
Dew Point
20°F
2 PM
36°F
0%
12mph
SE
Mostly Sunny
Humidity
53%
Feels like
28°F
Dew Point
21°F
3 PM
36°F
0%
11mph
SE
Mostly Sunny
Humidity
54%
Feels like
28°F
Dew Point
21°F
4 PM
35°F
0%
10mph
SE
Mostly Sunny
Humidity
57%
Feels like
27°F
Dew Point
21°F
5 PM
33°F
0%
9mph
ESE
Sunny
Humidity
62%
Feels like
26°F
Dew Point
22°F
5:26 PM
6 PM
32°F
0%
8mph
ESE
Clear
Humidity
65%
Feels like
25°F
Dew Point
21°F
7 PM
31°F
0%
8mph
ESE
Clear
Humidity
67%
Feels like
23°F
Dew Point
21°F
8 PM
30°F
0%
8mph
ESE
Clear
Humidity
69%
Feels like
22°F
Dew Point
21°F
9 PM
29°F
0%
8mph
ESE
Clear
Humidity
70%
Feels like
21°F
Dew Point
20°F
10 PM
28°F
0%
8mph
ESE
Clear
Humidity
71%
Feels like
21°F
Dew Point
20°F
11 PM
28°F
0%
7mph
ESE
Clear
Humidity
72%
Feels like
20°F
Dew Point
20°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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