Hourly Weather Forecast - Posen, IL

12 AM
36°F
0%
9mph
WSW
Partly Cloudy
Humidity
87%
Feels like
29°F
Dew Point
33°F
1 AM
36°F
0%
8mph
WSW
Partly Cloudy
Humidity
87%
Feels like
30°F
Dew Point
33°F
2 AM
36°F
0%
7mph
WSW
Mostly Cloudy
Humidity
87%
Feels like
30°F
Dew Point
33°F
3 AM
36°F
0%
7mph
WSW
Cloudy
Humidity
88%
Feels like
30°F
Dew Point
33°F
4 AM
35°F
0%
6mph
WSW
Cloudy
Humidity
90%
Feels like
30°F
Dew Point
32°F
5 AM
34°F
0%
5mph
W
Cloudy
Humidity
92%
Feels like
29°F
Dew Point
32°F
6 AM
33°F
0%
4mph
W
Mostly Cloudy
Humidity
91%
Feels like
30°F
Dew Point
31°F
7 AM
33°F
0%
3mph
W
Partly Cloudy
Humidity
93%
Feels like
30°F
Dew Point
32°F
7:11 AM
8 AM
34°F
0%
3mph
W
Hazy
Humidity
91%
Feels like
34°F
Dew Point
32°F
9 AM
35°F
0%
2mph
W
Mostly Sunny
Humidity
86%
Feels like
35°F
Dew Point
32°F
10 AM
37°F
0%
2mph
W
Mostly Sunny
Humidity
82%
Feels like
37°F
Dew Point
32°F
11 AM
38°F
0%
1mph
W
Mostly Sunny
Humidity
74%
Feels like
38°F
Dew Point
30°F
12 PM
38°F
0%
1mph
WSW
Mostly Sunny
Humidity
72%
Feels like
38°F
Dew Point
30°F
1 PM
38°F
0%
1mph
SW
Mostly Sunny
Humidity
71%
Feels like
38°F
Dew Point
30°F
2 PM
37°F
0%
2mph
SSW
Sunny
Humidity
73%
Feels like
37°F
Dew Point
30°F
3 PM
36°F
0%
2mph
S
Sunny
Humidity
76%
Feels like
36°F
Dew Point
29°F
4 PM
35°F
0%
3mph
S
Sunny
Humidity
80%
Feels like
35°F
Dew Point
29°F
4:21 PM
5 PM
34°F
0%
4mph
S
Mostly Clear
Humidity
83%
Feels like
31°F
Dew Point
29°F
6 PM
34°F
0%
5mph
S
Mostly Clear
Humidity
86%
Feels like
29°F
Dew Point
30°F
7 PM
34°F
0%
7mph
SSE
Partly Cloudy
Humidity
88%
Feels like
28°F
Dew Point
31°F
8 PM
34°F
0%
8mph
S
Mostly Cloudy
Humidity
90%
Feels like
27°F
Dew Point
31°F
9 PM
34°F
0%
9mph
S
Cloudy
Humidity
90%
Feels like
27°F
Dew Point
31°F
10 PM
35°F
0%
10mph
S
Cloudy
Humidity
90%
Feels like
27°F
Dew Point
33°F
11 PM
36°F
0%
10mph
S
Cloudy
Humidity
90%
Feels like
29°F
Dew Point
33°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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