Hourly Weather Forecast - Petersburg, IL

11 AM
25°F
0%
4mph
E
Mostly Sunny
Humidity
51%
Feels like
19°F
Dew Point
9°F
12 PM
27°F
0%
4mph
ESE
Mostly Sunny
Humidity
48%
Feels like
21°F
Dew Point
10°F
1 PM
28°F
0%
5mph
ESE
Mostly Sunny
Humidity
45%
Feels like
23°F
Dew Point
10°F
2 PM
29°F
0%
5mph
SE
Mostly Sunny
Humidity
43%
Feels like
24°F
Dew Point
10°F
3 PM
30°F
0%
5mph
SE
Mostly Sunny
Humidity
43%
Feels like
25°F
Dew Point
11°F
4 PM
29°F
0%
5mph
SE
Mostly Sunny
Humidity
47%
Feels like
24°F
Dew Point
12°F
5 PM
28°F
0%
5mph
SE
Partly Cloudy
Humidity
52%
Feels like
23°F
Dew Point
13°F
5:25 PM
6 PM
27°F
0%
5mph
SE
Partly Cloudy
Humidity
56%
Feels like
21°F
Dew Point
14°F
7 PM
27°F
0%
6mph
SE
Partly Cloudy
Humidity
59%
Feels like
20°F
Dew Point
15°F
8 PM
26°F
0%
7mph
SE
Mostly Cloudy
Humidity
62%
Feels like
18°F
Dew Point
15°F
9 PM
26°F
0%
8mph
SE
Mostly Cloudy
Humidity
65%
Feels like
17°F
Dew Point
16°F
10 PM
26°F
10%
9mph
SE
Mostly Cloudy
Humidity
66%
Feels like
17°F
Dew Point
16°F
11 PM
26°F
10%
9mph
SE
Partly Cloudy
Humidity
66%
Feels like
17°F
Dew Point
16°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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