Hourly Weather Forecast - Saint Jacob, IL

12 AM
16°F
10%
6mph
N
Mostly Clear
Humidity
61%
Feels like
8°F
Dew Point
5°F
1 AM
16°F
10%
5mph
N
Mostly Clear
Humidity
60%
Feels like
8°F
Dew Point
5°F
2 AM
15°F
10%
5mph
N
Mostly Clear
Humidity
59%
Feels like
7°F
Dew Point
4°F
3 AM
15°F
10%
5mph
N
Mostly Clear
Humidity
58%
Feels like
8°F
Dew Point
3°F
4 AM
15°F
30%
5mph
NNE
30 % Chance of Heavy Snow
Humidity
56%
Feels like
7°F
Dew Point
2°F
5 AM
14°F
30%
5mph
NNE
30 % Chance of Heavy Snow
Humidity
56%
Feels like
7°F
Dew Point
2°F
6 AM
14°F
10%
5mph
NNE
Partly Cloudy
Humidity
56%
Feels like
7°F
Dew Point
2°F
7 AM
15°F
10%
5mph
NNE
Partly Cloudy
Humidity
55%
Feels like
8°F
Dew Point
2°F
7:09 AM
8 AM
17°F
10%
5mph
NE
Mostly Cloudy
Humidity
53%
Feels like
9°F
Dew Point
2°F
9 AM
18°F
10%
5mph
NE
Mostly Cloudy
Humidity
51%
Feels like
11°F
Dew Point
3°F
10 AM
20°F
10%
5mph
NE
Mostly Cloudy
Humidity
48%
Feels like
13°F
Dew Point
4°F

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

A winter system will bring snow from the southern Appalachians to Mid-Atlantic through this evening.

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

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide