Hourly Weather Forecast - Petersburg, IL

12 AM
32°F
20%
7mph
E
Cloudy
Humidity
78%
Feels like
26°F
Dew Point
26°F
1 AM
31°F
20%
7mph
E
Cloudy
Humidity
81%
Feels like
25°F
Dew Point
26°F
2 AM
31°F
10%
7mph
E
Cloudy
Humidity
83%
Feels like
24°F
Dew Point
26°F
3 AM
30°F
10%
7mph
ENE
Cloudy
Humidity
84%
Feels like
24°F
Dew Point
26°F
4 AM
29°F
10%
7mph
ENE
Mostly Cloudy
Humidity
85%
Feels like
23°F
Dew Point
26°F
5 AM
29°F
10%
7mph
ENE
Mostly Cloudy
Humidity
85%
Feels like
22°F
Dew Point
25°F
6 AM
29°F
10%
7mph
ENE
Mostly Cloudy
Humidity
84%
Feels like
22°F
Dew Point
25°F
6:55 AM
7 AM
30°F
10%
7mph
ENE
Mostly Cloudy
Humidity
81%
Feels like
23°F
Dew Point
25°F
8 AM
31°F
10%
8mph
E
Mostly Cloudy
Humidity
78%
Feels like
24°F
Dew Point
25°F
9 AM
33°F
10%
8mph
E
Mostly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
26°F
10 AM
35°F
10%
8mph
E
Mostly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
26°F
11 AM
38°F
10%
8mph
E
Mostly Cloudy
Humidity
63%
Feels like
32°F
Dew Point
27°F
12 PM
40°F
10%
9mph
E
Mostly Cloudy
Humidity
59%
Feels like
35°F
Dew Point
27°F
1 PM
42°F
10%
9mph
E
Mostly Cloudy
Humidity
55%
Feels like
37°F
Dew Point
27°F
2 PM
43°F
10%
9mph
E
Mostly Cloudy
Humidity
53%
Feels like
38°F
Dew Point
27°F
3 PM
43°F
10%
9mph
E
Mostly Cloudy
Humidity
52%
Feels like
38°F
Dew Point
27°F
4 PM
42°F
10%
8mph
E
Partly Cloudy
Humidity
55%
Feels like
37°F
Dew Point
27°F
5 PM
40°F
10%
7mph
E
Partly Cloudy
Humidity
59%
Feels like
35°F
Dew Point
27°F
5:32 PM
6 PM
38°F
10%
6mph
E
Partly Cloudy
Humidity
63%
Feels like
33°F
Dew Point
27°F
7 PM
37°F
10%
6mph
E
Partly Cloudy
Humidity
66%
Feels like
31°F
Dew Point
26°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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