Hourly Weather Forecast - Frederick, IL

12 AM
21°F
0%
8mph
NW
Mostly Cloudy
Humidity
86%
Feels like
11°F
Dew Point
17°F
1 AM
20°F
0%
8mph
NW
Mostly Cloudy
Humidity
83%
Feels like
11°F
Dew Point
16°F
2 AM
20°F
0%
7mph
NNW
Mostly Cloudy
Humidity
81%
Feels like
10°F
Dew Point
15°F
3 AM
19°F
0%
7mph
NNW
Mostly Cloudy
Humidity
77%
Feels like
10°F
Dew Point
13°F
4 AM
18°F
0%
6mph
NNW
Mostly Cloudy
Humidity
74%
Feels like
9°F
Dew Point
11°F
5 AM
17°F
0%
6mph
NNW
Mostly Cloudy
Humidity
72%
Feels like
9°F
Dew Point
10°F
6 AM
17°F
0%
6mph
N
Mostly Cloudy
Humidity
71%
Feels like
8°F
Dew Point
9°F
7 AM
16°F
10%
5mph
N
Mostly Cloudy
Humidity
65%
Feels like
8°F
Dew Point
7°F
7:15 AM
8 AM
16°F
10%
5mph
N
Mostly Cloudy
Humidity
68%
Feels like
9°F
Dew Point
7°F
9 AM
16°F
10%
5mph
NNE
Mostly Cloudy
Humidity
71%
Feels like
9°F
Dew Point
9°F
10 AM
18°F
10%
5mph
NNE
Mostly Cloudy
Humidity
70%
Feels like
10°F
Dew Point
9°F
11 AM
19°F
20%
5mph
N
Mostly Cloudy
Humidity
66%
Feels like
11°F
Dew Point
10°F
12 PM
20°F
30%
6mph
N
30% Chance of Flurries
Humidity
63%
Feels like
12°F
Dew Point
10°F
1 PM
21°F
40%
6mph
N
40% Chance of Flurries
Humidity
62%
Feels like
12°F
Dew Point
10°F
2 PM
21°F
40%
7mph
N
40% Chance of Flurries
Humidity
62%
Feels like
12°F
Dew Point
10°F
3 PM
20°F
40%
7mph
N
40% Chance of Flurries
Humidity
64%
Feels like
11°F
Dew Point
10°F
4 PM
19°F
40%
7mph
N
40% Chance of Flurries
Humidity
66%
Feels like
9°F
Dew Point
9°F
4:36 PM
5 PM
17°F
30%
7mph
N
30% Chance of Flurries
Humidity
69%
Feels like
8°F
Dew Point
9°F
6 PM
16°F
30%
7mph
N
30% Chance of Flurries
Humidity
71%
Feels like
6°F
Dew Point
8°F
7 PM
14°F
30%
7mph
NNW
30% Chance of Flurries
Humidity
71%
Feels like
4°F
Dew Point
7°F
8 PM
13°F
30%
8mph
NNW
30% Chance Snow Showers
Humidity
72%
Feels like
1°F
Dew Point
5°F
9 PM
11°F
20%
8mph
NNW
Partly Cloudy
Humidity
73%
Feels like
0°F
Dew Point
4°F
10 PM
10°F
10%
8mph
NNW
Partly Cloudy
Humidity
71%
Feels like
-2°F
Dew Point
3°F
11 PM
9°F
10%
7mph
NNW
Partly Cloudy
Humidity
71%
Feels like
-3°F
Dew Point
1°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 Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide