Hourly Weather Forecast - Ottawa, IL

12 AM
46°F
10%
8mph
SE
Mostly Cloudy
Humidity
65%
Feels like
42°F
Dew Point
35°F
1 AM
46°F
10%
8mph
SE
Mostly Cloudy
Humidity
67%
Feels like
42°F
Dew Point
36°F
2 AM
46°F
10%
9mph
SSE
Partly Cloudy
Humidity
70%
Feels like
42°F
Dew Point
37°F
3 AM
46°F
10%
9mph
SSE
Mostly Clear
Humidity
73%
Feels like
41°F
Dew Point
38°F
4 AM
46°F
10%
9mph
S
Mostly Clear
Humidity
76%
Feels like
41°F
Dew Point
38°F
5 AM
46°F
10%
10mph
S
Mostly Clear
Humidity
77%
Feels like
41°F
Dew Point
39°F
6 AM
46°F
10%
10mph
S
Mostly Clear
Humidity
78%
Feels like
41°F
Dew Point
40°F
6:49 AM
7 AM
47°F
10%
11mph
S
Mostly Sunny
Humidity
75%
Feels like
42°F
Dew Point
40°F
8 AM
50°F
10%
11mph
SSW
Mostly Sunny
Humidity
73%
Feels like
45°F
Dew Point
41°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Today's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

(Image provided by Pixabay.com)

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