Hourly Weather Forecast - Ottawa, IL

12 AM
28°F
0%
12mph
S
Partly Cloudy
Humidity
60%
Feels like
17°F
Dew Point
16°F
1 AM
29°F
0%
13mph
S
Partly Cloudy
Humidity
62%
Feels like
18°F
Dew Point
17°F
2 AM
29°F
0%
13mph
S
Mostly Clear
Humidity
60%
Feels like
19°F
Dew Point
17°F
3 AM
30°F
0%
13mph
S
Clear
Humidity
60%
Feels like
20°F
Dew Point
18°F
4 AM
31°F
0%
14mph
S
Mostly Clear
Humidity
60%
Feels like
20°F
Dew Point
18°F
5 AM
31°F
0%
14mph
S
Partly Cloudy
Humidity
61%
Feels like
21°F
Dew Point
19°F
6 AM
31°F
0%
13mph
S
Cloudy
Humidity
62%
Feels like
22°F
Dew Point
20°F
7 AM
32°F
0%
13mph
S
Cloudy
Humidity
63%
Feels like
23°F
Dew Point
21°F
7:17 AM
8 AM
33°F
0%
13mph
SSW
Cloudy
Humidity
64%
Feels like
24°F
Dew Point
22°F
9 AM
35°F
0%
13mph
SSW
Cloudy
Humidity
64%
Feels like
26°F
Dew Point
24°F
10 AM
36°F
10%
12mph
SSW
Cloudy
Humidity
63%
Feels like
28°F
Dew Point
25°F
11 AM
38°F
10%
12mph
SW
Cloudy
Humidity
62%
Feels like
31°F
Dew Point
26°F
12 PM
39°F
10%
11mph
SW
Cloudy
Humidity
61%
Feels like
33°F
Dew Point
27°F
1 PM
40°F
10%
10mph
WSW
Cloudy
Humidity
61%
Feels like
34°F
Dew Point
28°F
2 PM
40°F
10%
9mph
W
Mostly Cloudy
Humidity
63%
Feels like
34°F
Dew Point
29°F
3 PM
40°F
30%
10mph
W
30% Chance Rain Showers
Humidity
65%
Feels like
33°F
Dew Point
29°F
4 PM
38°F
30%
9mph
WNW
30% Chance of Flurries
Humidity
66%
Feels like
32°F
Dew Point
28°F
4:28 PM
5 PM
36°F
30%
9mph
WNW
30% Chance of Flurries
Humidity
67%
Feels like
30°F
Dew Point
26°F
6 PM
35°F
10%
8mph
NW
Cloudy
Humidity
67%
Feels like
28°F
Dew Point
25°F
7 PM
33°F
0%
8mph
NW
Mostly Cloudy
Humidity
63%
Feels like
26°F
Dew Point
22°F
8 PM
31°F
0%
9mph
WNW
Partly Cloudy
Humidity
62%
Feels like
24°F
Dew Point
20°F
9 PM
30°F
0%
9mph
WNW
Mostly Clear
Humidity
60%
Feels like
22°F
Dew Point
18°F
10 PM
28°F
0%
8mph
WNW
Mostly Clear
Humidity
60%
Feels like
20°F
Dew Point
17°F
11 PM
27°F
0%
8mph
WNW
Clear
Humidity
61%
Feels like
19°F
Dew Point
16°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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