Hourly Weather Forecast - Posen, IL

12 AM
26°F
10%
10mph
S
Cloudy
Humidity
62%
Feels like
17°F
Dew Point
15°F
1 AM
27°F
10%
11mph
S
Cloudy
Humidity
63%
Feels like
17°F
Dew Point
16°F
2 AM
28°F
10%
11mph
S
Mostly Cloudy
Humidity
62%
Feels like
18°F
Dew Point
17°F
3 AM
29°F
10%
11mph
S
Partly Cloudy
Humidity
61%
Feels like
19°F
Dew Point
17°F
4 AM
29°F
0%
11mph
S
Mostly Cloudy
Humidity
63%
Feels like
20°F
Dew Point
18°F
5 AM
30°F
0%
11mph
SSW
Mostly Cloudy
Humidity
65%
Feels like
20°F
Dew Point
19°F
6 AM
30°F
0%
11mph
SSW
Mostly Cloudy
Humidity
67%
Feels like
21°F
Dew Point
20°F
7 AM
31°F
0%
11mph
SSW
Mostly Cloudy
Humidity
67%
Feels like
22°F
Dew Point
21°F
7:13 AM
8 AM
33°F
0%
11mph
SSW
Cloudy
Humidity
65%
Feels like
24°F
Dew Point
22°F
9 AM
35°F
0%
11mph
SSW
Cloudy
Humidity
62%
Feels like
27°F
Dew Point
23°F
10 AM
37°F
10%
11mph
SSW
Cloudy
Humidity
61%
Feels like
30°F
Dew Point
25°F
11 AM
39°F
10%
10mph
SW
Cloudy
Humidity
60%
Feels like
32°F
Dew Point
26°F
12 PM
40°F
10%
10mph
SW
Cloudy
Humidity
58%
Feels like
34°F
Dew Point
27°F
1 PM
41°F
0%
9mph
SW
Cloudy
Humidity
58%
Feels like
36°F
Dew Point
28°F
2 PM
41°F
10%
7mph
SW
Cloudy
Humidity
61%
Feels like
37°F
Dew Point
29°F
3 PM
41°F
10%
6mph
SW
Cloudy
Humidity
64%
Feels like
37°F
Dew Point
30°F
4 PM
40°F
10%
5mph
WSW
Cloudy
Humidity
69%
Feels like
36°F
Dew Point
31°F
4:23 PM
5 PM
39°F
20%
5mph
WSW
Cloudy
Humidity
73%
Feels like
35°F
Dew Point
31°F
6 PM
39°F
10%
5mph
WSW
Cloudy
Humidity
76%
Feels like
35°F
Dew Point
32°F
7 PM
38°F
10%
5mph
W
Cloudy
Humidity
78%
Feels like
34°F
Dew Point
32°F
8 PM
37°F
10%
5mph
W
Cloudy
Humidity
81%
Feels like
33°F
Dew Point
32°F
9 PM
36°F
10%
5mph
WNW
Cloudy
Humidity
81%
Feels like
32°F
Dew Point
31°F
10 PM
35°F
0%
5mph
WNW
Mostly Cloudy
Humidity
80%
Feels like
31°F
Dew Point
30°F
11 PM
34°F
0%
6mph
WNW
Partly Cloudy
Humidity
78%
Feels like
29°F
Dew Point
28°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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