Hourly Weather Forecast - Ottawa, IL

12 AM
26°F
0%
8mph
WNW
Clear
Humidity
61%
Feels like
18°F
Dew Point
15°F
1 AM
25°F
0%
8mph
WNW
Clear
Humidity
62%
Feels like
17°F
Dew Point
14°F
2 AM
25°F
0%
8mph
WNW
Clear
Humidity
61%
Feels like
16°F
Dew Point
13°F
3 AM
24°F
0%
7mph
WNW
Clear
Humidity
61%
Feels like
15°F
Dew Point
13°F
4 AM
23°F
0%
7mph
WNW
Clear
Humidity
59%
Feels like
15°F
Dew Point
11°F
5 AM
22°F
0%
6mph
WNW
Clear
Humidity
57%
Feels like
14°F
Dew Point
9°F
6 AM
21°F
0%
6mph
WNW
Clear
Humidity
55%
Feels like
13°F
Dew Point
8°F
7 AM
22°F
0%
6mph
WNW
Clear
Humidity
53%
Feels like
14°F
Dew Point
7°F
7:17 AM
8 AM
23°F
0%
6mph
WNW
Sunny
Humidity
51%
Feels like
15°F
Dew Point
7°F
9 AM
24°F
0%
5mph
WNW
Sunny
Humidity
49%
Feels like
17°F
Dew Point
8°F
10 AM
26°F
0%
5mph
WNW
Sunny
Humidity
46%
Feels like
20°F
Dew Point
8°F
11 AM
28°F
0%
5mph
WNW
Sunny
Humidity
43%
Feels like
22°F
Dew Point
8°F
12 PM
30°F
0%
5mph
WNW
Sunny
Humidity
40%
Feels like
24°F
Dew Point
8°F
1 PM
31°F
0%
5mph
WNW
Sunny
Humidity
39%
Feels like
26°F
Dew Point
9°F
2 PM
32°F
0%
4mph
W
Sunny
Humidity
38%
Feels like
27°F
Dew Point
9°F
3 PM
32°F
0%
4mph
W
Sunny
Humidity
39%
Feels like
28°F
Dew Point
10°F
4 PM
30°F
10%
3mph
WNW
Sunny
Humidity
43%
Feels like
27°F
Dew Point
10°F
4:29 PM
5 PM
28°F
10%
3mph
NW
Clear
Humidity
48%
Feels like
25°F
Dew Point
11°F
6 PM
27°F
10%
2mph
NNW
Mostly Clear
Humidity
52%
Feels like
27°F
Dew Point
12°F
7 PM
26°F
10%
1mph
N
Mostly Clear
Humidity
52%
Feels like
26°F
Dew Point
11°F
8 PM
26°F
10%
2mph
E
Partly Cloudy
Humidity
54%
Feels like
26°F
Dew Point
11°F
9 PM
25°F
10%
3mph
ESE
Partly Cloudy
Humidity
56%
Feels like
25°F
Dew Point
12°F
10 PM
25°F
10%
4mph
ESE
Mostly Cloudy
Humidity
61%
Feels like
20°F
Dew Point
13°F
11 PM
25°F
10%
4mph
ESE
Mostly Cloudy
Humidity
65%
Feels like
20°F
Dew Point
15°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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