Hourly Weather Forecast - Ottawa, IL

12 AM
25°F
0%
4mph
ESE
Mostly Cloudy
Humidity
68%
Feels like
20°F
Dew Point
16°F
1 AM
25°F
0%
4mph
SE
Cloudy
Humidity
69%
Feels like
20°F
Dew Point
16°F
2 AM
25°F
10%
4mph
SE
Cloudy
Humidity
68%
Feels like
20°F
Dew Point
16°F
3 AM
25°F
10%
4mph
SE
Cloudy
Humidity
68%
Feels like
20°F
Dew Point
16°F
4 AM
26°F
10%
4mph
SE
Cloudy
Humidity
68%
Feels like
20°F
Dew Point
16°F
5 AM
26°F
10%
4mph
SE
Mostly Cloudy
Humidity
68%
Feels like
20°F
Dew Point
17°F
6 AM
27°F
20%
5mph
SE
Mostly Cloudy
Humidity
66%
Feels like
21°F
Dew Point
17°F
7 AM
28°F
20%
6mph
SE
Mostly Cloudy
Humidity
64%
Feels like
21°F
Dew Point
17°F
7:18 AM
8 AM
29°F
20%
6mph
SE
Mostly Cloudy
Humidity
62%
Feels like
22°F
Dew Point
18°F
9 AM
31°F
20%
7mph
SE
Mostly Cloudy
Humidity
60%
Feels like
24°F
Dew Point
19°F
10 AM
33°F
10%
7mph
SSE
Mostly Cloudy
Humidity
57%
Feels like
26°F
Dew Point
19°F
11 AM
35°F
10%
7mph
SSE
Mostly Cloudy
Humidity
53%
Feels like
29°F
Dew Point
19°F
12 PM
37°F
10%
8mph
SSE
Mostly Cloudy
Humidity
50%
Feels like
31°F
Dew Point
20°F
1 PM
38°F
10%
7mph
SSE
Mostly Cloudy
Humidity
49%
Feels like
32°F
Dew Point
20°F
2 PM
38°F
10%
7mph
SSE
Mostly Cloudy
Humidity
51%
Feels like
33°F
Dew Point
21°F
3 PM
38°F
10%
7mph
SSE
Mostly Cloudy
Humidity
54%
Feels like
32°F
Dew Point
23°F
4 PM
37°F
10%
6mph
SSE
Cloudy
Humidity
58%
Feels like
32°F
Dew Point
24°F
4:29 PM
5 PM
36°F
10%
6mph
SSE
Cloudy
Humidity
64%
Feels like
31°F
Dew Point
25°F
6 PM
35°F
10%
6mph
SSE
Cloudy
Humidity
69%
Feels like
30°F
Dew Point
26°F
7 PM
35°F
10%
6mph
SSE
Cloudy
Humidity
73%
Feels like
29°F
Dew Point
27°F
8 PM
35°F
10%
6mph
SSE
Mostly Cloudy
Humidity
75%
Feels like
29°F
Dew Point
28°F
9 PM
35°F
10%
7mph
S
Mostly Cloudy
Humidity
76%
Feels like
29°F
Dew Point
28°F
10 PM
35°F
10%
7mph
S
Partly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
29°F
11 PM
35°F
10%
7mph
S
Partly Cloudy
Humidity
80%
Feels like
30°F
Dew Point
30°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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