Hourly Weather Forecast - Saint Jacob, IL

12 AM
26°F
0%
4mph
SW
Partly Cloudy
Humidity
57%
Feels like
21°F
Dew Point
13°F
1 AM
26°F
0%
4mph
SW
Mostly Clear
Humidity
61%
Feels like
21°F
Dew Point
14°F
2 AM
26°F
0%
4mph
SW
Mostly Clear
Humidity
64%
Feels like
21°F
Dew Point
15°F
3 AM
25°F
0%
4mph
SSW
Mostly Clear
Humidity
67%
Feels like
21°F
Dew Point
16°F
4 AM
25°F
0%
4mph
SSW
Mostly Clear
Humidity
69%
Feels like
20°F
Dew Point
16°F
5 AM
24°F
0%
4mph
SSW
Mostly Clear
Humidity
71%
Feels like
20°F
Dew Point
16°F
6 AM
25°F
0%
4mph
SSW
Partly Cloudy
Humidity
71%
Feels like
20°F
Dew Point
17°F
7 AM
27°F
0%
4mph
SSW
Partly Cloudy
Humidity
70%
Feels like
21°F
Dew Point
18°F
7:10 AM
8 AM
29°F
0%
5mph
S
Partly Cloudy
Humidity
66%
Feels like
24°F
Dew Point
19°F
9 AM
32°F
0%
6mph
S
Partly Cloudy
Humidity
61%
Feels like
26°F
Dew Point
20°F
10 AM
35°F
0%
7mph
S
Mostly Sunny
Humidity
55%
Feels like
30°F
Dew Point
21°F
11 AM
39°F
0%
7mph
SSW
Mostly Sunny
Humidity
50%
Feels like
34°F
Dew Point
22°F
12 PM
42°F
0%
8mph
SSW
Mostly Sunny
Humidity
46%
Feels like
37°F
Dew Point
23°F
1 PM
44°F
0%
9mph
SSW
Sunny
Humidity
44%
Feels like
39°F
Dew Point
23°F
2 PM
45°F
0%
9mph
S
Sunny
Humidity
43%
Feels like
40°F
Dew Point
24°F
3 PM
45°F
0%
9mph
S
Sunny
Humidity
45%
Feels like
40°F
Dew Point
24°F
4 PM
43°F
0%
10mph
S
Sunny
Humidity
49%
Feels like
37°F
Dew Point
25°F
4:38 PM
5 PM
40°F
10%
10mph
S
Clear
Humidity
55%
Feels like
34°F
Dew Point
25°F
6 PM
38°F
10%
9mph
S
Clear
Humidity
62%
Feels like
32°F
Dew Point
26°F
7 PM
37°F
10%
9mph
S
Clear
Humidity
68%
Feels like
30°F
Dew Point
28°F
8 PM
36°F
10%
9mph
S
Mostly Clear
Humidity
71%
Feels like
29°F
Dew Point
28°F
9 PM
36°F
10%
9mph
S
Partly Cloudy
Humidity
73%
Feels like
29°F
Dew Point
28°F
10 PM
36°F
10%
9mph
S
Partly Cloudy
Humidity
75%
Feels like
29°F
Dew Point
29°F
11 PM
36°F
10%
8mph
SSW
Mostly Clear
Humidity
76%
Feels like
29°F
Dew Point
29°F

Snowfall forecast through Saturday A.M.

More Snow Across the Northern U.S. into the Midwest

The parade of snow will continue across the northern U.S. and Midwest through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Rains Finally Easing Across 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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide