Hourly Weather Forecast - Marengo, IL

3 AM
42°F
10%
17mph
S
Mostly Cloudy
Humidity
78%
Feels like
34°F
Dew Point
36°F
4 AM
43°F
30%
17mph
S
30% Chance of Light Rain
Humidity
79%
Feels like
35°F
Dew Point
37°F
5 AM
44°F
30%
18mph
S
30% Chance of Light Rain
Humidity
82%
Feels like
36°F
Dew Point
38°F
6 AM
45°F
40%
18mph
S
40% Chance of Light Rain
Humidity
84%
Feels like
37°F
Dew Point
40°F
7 AM
46°F
30%
19mph
S
30% Chance of Light Rain
Humidity
85%
Feels like
39°F
Dew Point
42°F
7:18 AM
8 AM
47°F
30%
19mph
S
30% Chance of Light Rain
Humidity
87%
Feels like
40°F
Dew Point
44°F
9 AM
49°F
50%
19mph
S
50% Chance of Light Rain
Humidity
87%
Feels like
42°F
Dew Point
45°F
10 AM
49°F
60%
18mph
S
60% Chance of Light Rain
Humidity
88%
Feels like
43°F
Dew Point
46°F
11 AM
49°F
90%
18mph
SSW
Light Rain
Humidity
89%
Feels like
43°F
Dew Point
46°F
12 PM
48°F
100%
17mph
SW
Light Rain
Humidity
91%
Feels like
41°F
Dew Point
45°F
1 PM
46°F
70%
17mph
WSW
70% Chance of Light Rain
Humidity
91%
Feels like
39°F
Dew Point
43°F
2 PM
43°F
40%
16mph
WSW
40% Chance of Light Rain
Humidity
90%
Feels like
35°F
Dew Point
40°F
3 PM
40°F
20%
16mph
W
Cloudy
Humidity
91%
Feels like
31°F
Dew Point
37°F
4 PM
37°F
10%
16mph
W
Mostly Cloudy
Humidity
90%
Feels like
27°F
Dew Point
34°F
4:24 PM
5 PM
34°F
10%
16mph
WSW
Mostly Cloudy
Humidity
89%
Feels like
24°F
Dew Point
31°F
6 PM
31°F
10%
18mph
W
Mostly Cloudy
Humidity
94%
Feels like
20°F
Dew Point
30°F
7 PM
29°F
10%
19mph
W
Partly Cloudy
Humidity
92%
Feels like
16°F
Dew Point
26°F
8 PM
27°F
10%
20mph
W
Mostly Clear
Humidity
82%
Feels like
13°F
Dew Point
22°F
9 PM
24°F
30%
22mph
W
30% Chance of Snow
Humidity
76%
Feels like
9°F
Dew Point
18°F
10 PM
22°F
10%
22mph
W
Windy
Humidity
72%
Feels like
6°F
Dew Point
14°F
11 PM
19°F
10%
22mph
W
Windy
Humidity
69%
Feels like
2°F
Dew Point
11°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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