Hourly Weather Forecast - Posen, IL

3 AM
22°F
10%
9mph
S
Cloudy
Humidity
86%
Feels like
12°F
Dew Point
19°F
4 AM
23°F
30%
10mph
SSW
30% Chance of Snow
Humidity
85%
Feels like
13°F
Dew Point
20°F
5 AM
24°F
0%
11mph
SSW
Mostly Cloudy
Humidity
86%
Feels like
14°F
Dew Point
21°F
6 AM
26°F
0%
11mph
SSW
Partly Cloudy
Humidity
86%
Feels like
15°F
Dew Point
22°F
7 AM
27°F
0%
12mph
SW
Partly Cloudy
Humidity
87%
Feels like
16°F
Dew Point
23°F
7:05 AM
8 AM
28°F
0%
12mph
SW
Partly Cloudy
Humidity
89%
Feels like
18°F
Dew Point
25°F
9 AM
30°F
0%
12mph
SW
Mostly Cloudy
Humidity
89%
Feels like
20°F
Dew Point
27°F
10 AM
31°F
0%
11mph
SW
Mostly Cloudy
Humidity
89%
Feels like
22°F
Dew Point
29°F
11 AM
33°F
0%
11mph
WSW
Cloudy
Humidity
86%
Feels like
24°F
Dew Point
29°F
12 PM
33°F
0%
10mph
WSW
Cloudy
Humidity
85%
Feels like
25°F
Dew Point
29°F
1 PM
34°F
0%
9mph
WSW
Cloudy
Humidity
86%
Feels like
26°F
Dew Point
30°F
2 PM
34°F
10%
8mph
SW
Cloudy
Humidity
87%
Feels like
27°F
Dew Point
31°F
3 PM
34°F
10%
8mph
SW
Cloudy
Humidity
89%
Feels like
27°F
Dew Point
31°F
4 PM
34°F
20%
7mph
SW
Cloudy
Humidity
91%
Feels like
28°F
Dew Point
32°F
4:20 PM
5 PM
34°F
30%
7mph
SSW
30% Chance of Light Rain
Humidity
93%
Feels like
28°F
Dew Point
33°F
6 PM
35°F
30%
7mph
SSW
30% Chance of Light Rain
Humidity
93%
Feels like
29°F
Dew Point
33°F
7 PM
36°F
30%
9mph
SSW
30% Chance of Light Rain
Humidity
91%
Feels like
29°F
Dew Point
34°F
8 PM
37°F
40%
11mph
SSW
40% Chance of Light Rain
Humidity
92%
Feels like
29°F
Dew Point
35°F
9 PM
37°F
60%
13mph
SSW
60% Chance of Light Rain
Humidity
89%
Feels like
29°F
Dew Point
34°F
10 PM
37°F
70%
14mph
SSW
70% Chance of Light Rain
Humidity
89%
Feels like
29°F
Dew Point
34°F
11 PM
38°F
60%
15mph
SW
60% Chance of Light Rain
Humidity
89%
Feels like
29°F
Dew Point
35°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Outdoor Sports Guide