Hourly Weather Forecast - Ottawa, IL

11 AM
31°F
0%
12mph
SW
Mostly Cloudy
Humidity
95%
Feels like
21°F
Dew Point
29°F
12 PM
32°F
0%
11mph
SW
Mostly Cloudy
Humidity
95%
Feels like
23°F
Dew Point
30°F
1 PM
32°F
0%
10mph
SW
Mostly Cloudy
Humidity
94%
Feels like
24°F
Dew Point
31°F
2 PM
33°F
10%
9mph
SW
Mostly Cloudy
Humidity
93%
Feels like
25°F
Dew Point
31°F
3 PM
33°F
10%
9mph
SSW
Cloudy
Humidity
92%
Feels like
26°F
Dew Point
31°F
4 PM
33°F
10%
8mph
SSW
Cloudy
Humidity
91%
Feels like
26°F
Dew Point
31°F
4:25 PM
5 PM
34°F
10%
9mph
S
Cloudy
Humidity
93%
Feels like
26°F
Dew Point
32°F
6 PM
34°F
30%
10mph
S
30% Chance of Light Rain
Humidity
90%
Feels like
26°F
Dew Point
31°F
7 PM
35°F
40%
12mph
S
40% Chance of Light Rain
Humidity
89%
Feels like
27°F
Dew Point
32°F
8 PM
37°F
50%
15mph
SSW
50% Chance of Light Rain
Humidity
88%
Feels like
28°F
Dew Point
34°F
9 PM
38°F
60%
17mph
SSW
60% Chance of Light Rain
Humidity
86%
Feels like
29°F
Dew Point
34°F
10 PM
38°F
40%
18mph
SW
40% Chance of Light Rain
Humidity
85%
Feels like
29°F
Dew Point
34°F
11 PM
38°F
30%
19mph
SW
30% Chance of Light Rain
Humidity
85%
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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide