Hourly Weather Forecast - Fairfield, IL

4 AM
29°F
0%
8mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
22°F
Dew Point
23°F
5 AM
31°F
0%
9mph
SSW
Cloudy
Humidity
76%
Feels like
23°F
Dew Point
24°F
6 AM
31°F
0%
9mph
SSW
Cloudy
Humidity
76%
Feels like
24°F
Dew Point
25°F
6:58 AM
7 AM
33°F
0%
9mph
SSW
Mostly Cloudy
Humidity
75%
Feels like
25°F
Dew Point
26°F
8 AM
35°F
0%
10mph
SSW
Partly Cloudy
Humidity
74%
Feels like
27°F
Dew Point
27°F
9 AM
37°F
0%
10mph
SSW
Partly Cloudy
Humidity
70%
Feels like
30°F
Dew Point
28°F
10 AM
39°F
0%
11mph
SSW
Partly Cloudy
Humidity
68%
Feels like
33°F
Dew Point
30°F
11 AM
42°F
0%
11mph
SW
Sunny
Humidity
65%
Feels like
35°F
Dew Point
31°F
12 PM
43°F
0%
11mph
SW
Mostly Sunny
Humidity
64%
Feels like
37°F
Dew Point
32°F
1 PM
44°F
0%
11mph
SW
Partly Cloudy
Humidity
62%
Feels like
39°F
Dew Point
32°F
2 PM
45°F
0%
11mph
SSW
Mostly Sunny
Humidity
62%
Feels like
39°F
Dew Point
33°F
3 PM
44°F
0%
11mph
SSW
Mostly Sunny
Humidity
65%
Feels like
38°F
Dew Point
33°F
4 PM
43°F
0%
11mph
SSW
Partly Cloudy
Humidity
67%
Feels like
37°F
Dew Point
33°F
4:32 PM
5 PM
42°F
0%
11mph
SSW
Mostly Cloudy
Humidity
70%
Feels like
36°F
Dew Point
33°F
6 PM
42°F
0%
12mph
SSW
Mostly Cloudy
Humidity
71%
Feels like
35°F
Dew Point
33°F
7 PM
42°F
0%
13mph
SSW
Partly Cloudy
Humidity
72%
Feels like
35°F
Dew Point
33°F
8 PM
42°F
0%
13mph
SSW
Cloudy
Humidity
72%
Feels like
35°F
Dew Point
34°F
9 PM
43°F
10%
14mph
SSW
Cloudy
Humidity
71%
Feels like
36°F
Dew Point
34°F
10 PM
43°F
10%
14mph
SSW
Cloudy
Humidity
72%
Feels like
36°F
Dew Point
35°F
11 PM
44°F
10%
14mph
SW
Cloudy
Humidity
72%
Feels like
37°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide