Hourly Weather Forecast - Saint Jacob, IL

12 AM
26°F
10%
13mph
WNW
Clear
Humidity
55%
Feels like
15°F
Dew Point
12°F
1 AM
25°F
0%
12mph
WNW
Clear
Humidity
57%
Feels like
14°F
Dew Point
12°F
2 AM
24°F
0%
11mph
WNW
Clear
Humidity
60%
Feels like
13°F
Dew Point
12°F
3 AM
23°F
0%
10mph
WNW
Clear
Humidity
63%
Feels like
13°F
Dew Point
13°F
4 AM
22°F
0%
9mph
WNW
Clear
Humidity
64%
Feels like
13°F
Dew Point
12°F
5 AM
21°F
0%
8mph
NW
Clear
Humidity
65%
Feels like
12°F
Dew Point
11°F
6 AM
21°F
0%
6mph
NW
Clear
Humidity
63%
Feels like
13°F
Dew Point
11°F
7 AM
21°F
0%
6mph
NW
Clear
Humidity
62%
Feels like
13°F
Dew Point
11°F
7:12 AM
8 AM
23°F
0%
6mph
NW
Sunny
Humidity
59%
Feels like
15°F
Dew Point
11°F
9 AM
24°F
0%
6mph
WNW
Sunny
Humidity
58%
Feels like
17°F
Dew Point
11°F
10 AM
26°F
0%
6mph
WNW
Mostly Sunny
Humidity
56%
Feels like
19°F
Dew Point
12°F
11 AM
28°F
0%
6mph
W
Mostly Sunny
Humidity
53%
Feels like
21°F
Dew Point
13°F
12 PM
30°F
0%
6mph
WSW
Partly Cloudy
Humidity
51%
Feels like
23°F
Dew Point
14°F
1 PM
31°F
0%
6mph
SW
Mostly Sunny
Humidity
49%
Feels like
26°F
Dew Point
14°F
2 PM
33°F
0%
6mph
SSW
Mostly Sunny
Humidity
46%
Feels like
27°F
Dew Point
14°F
3 PM
33°F
0%
8mph
S
Mostly Sunny
Humidity
47%
Feels like
26°F
Dew Point
15°F
4 PM
32°F
0%
8mph
SSE
Mostly Sunny
Humidity
50%
Feels like
25°F
Dew Point
15°F
4:40 PM
5 PM
31°F
0%
9mph
SSE
Mostly Clear
Humidity
54%
Feels like
23°F
Dew Point
16°F
6 PM
30°F
0%
9mph
SSE
Mostly Clear
Humidity
55%
Feels like
22°F
Dew Point
16°F
7 PM
30°F
0%
10mph
SSE
Mostly Clear
Humidity
55%
Feels like
21°F
Dew Point
16°F
8 PM
30°F
0%
10mph
SSE
Mostly Clear
Humidity
55%
Feels like
21°F
Dew Point
16°F
9 PM
30°F
0%
11mph
SSE
Mostly Clear
Humidity
55%
Feels like
21°F
Dew Point
16°F
10 PM
31°F
0%
11mph
S
Mostly Clear
Humidity
57%
Feels like
21°F
Dew Point
17°F
11 PM
31°F
0%
12mph
S
Clear
Humidity
57%
Feels like
22°F
Dew Point
18°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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