Hourly Weather Forecast - Frederick, IL

12 AM
39°F
0%
4mph
E
Cloudy
Humidity
97%
Feels like
36°F
Dew Point
38°F
1 AM
39°F
0%
4mph
E
Cloudy
Humidity
97%
Feels like
36°F
Dew Point
38°F
2 AM
39°F
0%
4mph
E
Foggy
Humidity
99%
Feels like
36°F
Dew Point
38°F
3 AM
39°F
0%
5mph
ESE
Cloudy
Humidity
96%
Feels like
36°F
Dew Point
38°F
4 AM
39°F
30%
5mph
ESE
30% Chance of Light Rain
Humidity
97%
Feels like
36°F
Dew Point
39°F
5 AM
40°F
10%
5mph
ESE
Mostly Cloudy
Humidity
98%
Feels like
36°F
Dew Point
39°F
6 AM
40°F
10%
6mph
ESE
Cloudy
Humidity
98%
Feels like
37°F
Dew Point
40°F
7 AM
42°F
10%
6mph
ESE
Cloudy
Humidity
96%
Feels like
38°F
Dew Point
41°F
7:21 AM
8 AM
44°F
10%
6mph
SE
Cloudy
Humidity
96%
Feels like
40°F
Dew Point
43°F
9 AM
46°F
10%
7mph
SE
Cloudy
Humidity
98%
Feels like
42°F
Dew Point
46°F
10 AM
48°F
10%
7mph
SSE
Cloudy
Humidity
92%
Feels like
45°F
Dew Point
46°F
11 AM
51°F
10%
8mph
SSE
Cloudy
Humidity
92%
Feels like
51°F
Dew Point
49°F
12 PM
54°F
10%
9mph
SSE
Cloudy
Humidity
94%
Feels like
54°F
Dew Point
52°F
1 PM
55°F
10%
9mph
S
Mostly Cloudy
Humidity
96%
Feels like
55°F
Dew Point
54°F
2 PM
57°F
10%
9mph
S
Foggy
Humidity
99%
Feels like
57°F
Dew Point
56°F
3 PM
58°F
10%
8mph
S
Foggy
Humidity
100%
Feels like
58°F
Dew Point
58°F
4 PM
58°F
10%
8mph
S
Foggy
Humidity
99%
Feels like
58°F
Dew Point
57°F
4:41 PM
5 PM
57°F
10%
7mph
S
Foggy
Humidity
100%
Feels like
57°F
Dew Point
57°F
6 PM
56°F
10%
6mph
S
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
7 PM
56°F
10%
6mph
S
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
8 PM
56°F
10%
7mph
S
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
9 PM
56°F
10%
7mph
SSW
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
10 PM
56°F
30%
7mph
SSW
30% Chance Rain Showers
Humidity
100%
Feels like
56°F
Dew Point
56°F
11 PM
55°F
10%
7mph
SSW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°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

Weekend Weather Outlook

Weekend 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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