Hourly Weather Forecast - Big Rock, IL

9 AM
27°F
0%
15mph
SW
Mostly Cloudy
Humidity
84%
Feels like
15°F
Dew Point
23°F
10 AM
29°F
0%
15mph
SW
Mostly Cloudy
Humidity
83%
Feels like
18°F
Dew Point
25°F
11 AM
31°F
0%
14mph
WSW
Cloudy
Humidity
81%
Feels like
21°F
Dew Point
26°F
12 PM
32°F
0%
13mph
WSW
Cloudy
Humidity
81%
Feels like
22°F
Dew Point
27°F
1 PM
32°F
0%
12mph
WSW
Cloudy
Humidity
83%
Feels like
23°F
Dew Point
28°F
2 PM
32°F
10%
10mph
SW
Cloudy
Humidity
87%
Feels like
24°F
Dew Point
29°F
3 PM
32°F
10%
10mph
SW
Cloudy
Humidity
91%
Feels like
23°F
Dew Point
29°F
4 PM
31°F
10%
10mph
SSW
Cloudy
Humidity
94%
Feels like
23°F
Dew Point
30°F
4:23 PM
5 PM
32°F
20%
10mph
S
Cloudy
Humidity
96%
Feels like
23°F
Dew Point
31°F
6 PM
33°F
30%
12mph
S
30% Chance of Light Rain
Humidity
96%
Feels like
24°F
Dew Point
32°F
7 PM
34°F
40%
13mph
S
40% Chance of Light Rain
Humidity
93%
Feels like
25°F
Dew Point
32°F
8 PM
36°F
50%
15mph
S
50% Chance of Light Rain
Humidity
90%
Feels like
27°F
Dew Point
33°F
9 PM
37°F
60%
18mph
SSW
60% Chance of Light Rain
Humidity
87%
Feels like
27°F
Dew Point
34°F
10 PM
38°F
50%
19mph
SSW
50% Chance of Light Rain
Humidity
84%
Feels like
28°F
Dew Point
34°F
11 PM
39°F
40%
21mph
SW
40% Chance of Light Rain
Humidity
84%
Feels like
29°F
Dew Point
34°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

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

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