Hourly Weather Forecast - Saint Jacob, IL

12 AM
30°F
10%
5mph
SE
Partly Cloudy
Humidity
70%
Feels like
25°F
Dew Point
22°F
1 AM
30°F
20%
6mph
SE
Partly Cloudy
Humidity
71%
Feels like
25°F
Dew Point
22°F
2 AM
30°F
20%
6mph
SE
Partly Cloudy
Humidity
72%
Feels like
24°F
Dew Point
22°F
3 AM
30°F
20%
6mph
SE
Partly Cloudy
Humidity
74%
Feels like
24°F
Dew Point
23°F
4 AM
30°F
20%
6mph
SE
Mostly Clear
Humidity
73%
Feels like
24°F
Dew Point
22°F
5 AM
30°F
20%
6mph
SE
Clear
Humidity
75%
Feels like
24°F
Dew Point
23°F
6 AM
30°F
30%
6mph
SE
30% Chance Frozen Mix
Humidity
74%
Feels like
24°F
Dew Point
23°F
7 AM
31°F
30%
7mph
SE
30% Chance of Snow
Humidity
72%
Feels like
25°F
Dew Point
24°F
7:13 AM
8 AM
33°F
10%
8mph
SE
Partly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
24°F
9 AM
35°F
10%
8mph
SE
Cloudy
Humidity
67%
Feels like
29°F
Dew Point
26°F
10 AM
37°F
10%
9mph
SE
Cloudy
Humidity
63%
Feels like
31°F
Dew Point
26°F
11 AM
40°F
10%
9mph
SSE
Cloudy
Humidity
58%
Feels like
34°F
Dew Point
27°F
12 PM
42°F
10%
9mph
SSE
Mostly Cloudy
Humidity
56%
Feels like
37°F
Dew Point
28°F
1 PM
44°F
10%
9mph
SSE
Partly Cloudy
Humidity
56%
Feels like
39°F
Dew Point
29°F
2 PM
45°F
10%
9mph
SSE
Mostly Cloudy
Humidity
57%
Feels like
40°F
Dew Point
30°F
3 PM
45°F
10%
9mph
SSE
Mostly Cloudy
Humidity
59%
Feels like
40°F
Dew Point
31°F
4 PM
44°F
10%
8mph
SSE
Mostly Cloudy
Humidity
61%
Feels like
40°F
Dew Point
31°F
4:41 PM
5 PM
44°F
10%
8mph
SSE
Mostly Cloudy
Humidity
63%
Feels like
39°F
Dew Point
32°F
6 PM
43°F
0%
8mph
SSE
Mostly Cloudy
Humidity
67%
Feels like
38°F
Dew Point
33°F
7 PM
42°F
0%
8mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
38°F
Dew Point
34°F
8 PM
42°F
0%
8mph
SSE
Partly Cloudy
Humidity
76%
Feels like
37°F
Dew Point
35°F
9 PM
42°F
10%
8mph
S
Partly Cloudy
Humidity
79%
Feels like
37°F
Dew Point
36°F
10 PM
42°F
10%
7mph
S
Partly Cloudy
Humidity
84%
Feels like
37°F
Dew Point
38°F
11 PM
42°F
10%
7mph
S
Partly Cloudy
Humidity
88%
Feels like
38°F
Dew Point
39°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday'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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