Hourly Weather Forecast - Fairfield, IL

12 AM
49°F
0%
3mph
ENE
Cloudy
Humidity
93%
Feels like
48°F
Dew Point
47°F
1 AM
48°F
0%
3mph
ENE
Cloudy
Humidity
91%
Feels like
48°F
Dew Point
46°F
2 AM
48°F
0%
4mph
ENE
Cloudy
Humidity
90%
Feels like
47°F
Dew Point
45°F
3 AM
48°F
0%
4mph
E
Cloudy
Humidity
90%
Feels like
47°F
Dew Point
45°F
4 AM
47°F
0%
4mph
E
Cloudy
Humidity
92%
Feels like
46°F
Dew Point
45°F
5 AM
47°F
10%
4mph
E
Cloudy
Humidity
94%
Feels like
46°F
Dew Point
45°F
6 AM
47°F
10%
4mph
ESE
Cloudy
Humidity
90%
Feels like
46°F
Dew Point
45°F
7 AM
48°F
10%
4mph
ESE
Foggy
Humidity
100%
Feels like
47°F
Dew Point
48°F
7:08 AM
8 AM
51°F
10%
4mph
ESE
Cloudy
Humidity
97%
Feels like
51°F
Dew Point
50°F
9 AM
52°F
10%
4mph
SE
Cloudy
Humidity
95%
Feels like
52°F
Dew Point
51°F
10 AM
54°F
10%
5mph
SE
Cloudy
Humidity
96%
Feels like
54°F
Dew Point
53°F
11 AM
55°F
10%
5mph
SSE
Cloudy
Humidity
98%
Feels like
55°F
Dew Point
55°F
12 PM
56°F
10%
6mph
SSE
Cloudy
Humidity
97%
Feels like
56°F
Dew Point
55°F
1 PM
57°F
10%
6mph
S
Cloudy
Humidity
98%
Feels like
57°F
Dew Point
57°F
2 PM
58°F
10%
6mph
S
Foggy
Humidity
100%
Feels like
58°F
Dew Point
58°F
3 PM
59°F
10%
7mph
S
Foggy
Humidity
99%
Feels like
59°F
Dew Point
58°F
4 PM
59°F
10%
6mph
S
Foggy
Humidity
100%
Feels like
59°F
Dew Point
59°F
4:37 PM
5 PM
60°F
10%
6mph
S
Foggy
Humidity
99%
Feels like
60°F
Dew Point
59°F
6 PM
61°F
10%
6mph
S
Mostly Cloudy
Humidity
97%
Feels like
61°F
Dew Point
60°F
7 PM
62°F
10%
7mph
S
Mostly Cloudy
Humidity
95%
Feels like
62°F
Dew Point
60°F
8 PM
62°F
20%
7mph
SSW
Partly Cloudy
Humidity
96%
Feels like
62°F
Dew Point
61°F
9 PM
63°F
10%
8mph
SSW
Partly Cloudy
Humidity
93%
Feels like
63°F
Dew Point
61°F
10 PM
63°F
10%
8mph
SSW
Partly Cloudy
Humidity
94%
Feels like
63°F
Dew Point
61°F
11 PM
63°F
30%
8mph
SW
30% Chance Rain Showers
Humidity
93%
Feels like
63°F
Dew Point
61°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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