Hourly Weather Forecast - Merna, IL

12 AM
27°F
10%
12mph
SSE
Mostly Cloudy
Humidity
58%
Feels like
16°F
Dew Point
14°F
1 AM
27°F
20%
13mph
SSE
Mostly Cloudy
Humidity
61%
Feels like
16°F
Dew Point
15°F
2 AM
27°F
30%
13mph
SSE
30 % Chance of Heavy Snow
Humidity
63%
Feels like
17°F
Dew Point
16°F
3 AM
28°F
20%
13mph
SSE
Mostly Cloudy
Humidity
65%
Feels like
17°F
Dew Point
17°F
4 AM
28°F
20%
13mph
S
Mostly Cloudy
Humidity
65%
Feels like
17°F
Dew Point
17°F
5 AM
28°F
10%
14mph
S
Mostly Cloudy
Humidity
65%
Feels like
17°F
Dew Point
18°F
6 AM
28°F
10%
14mph
S
Cloudy
Humidity
64%
Feels like
17°F
Dew Point
18°F
7 AM
29°F
30%
14mph
S
30 % Chance of Heavy Snow
Humidity
61%
Feels like
19°F
Dew Point
18°F
7:15 AM
8 AM
31°F
30%
15mph
S
30% Chance Freezing Rain
Humidity
60%
Feels like
21°F
Dew Point
19°F
9 AM
33°F
10%
15mph
S
Mostly Cloudy
Humidity
57%
Feels like
23°F
Dew Point
19°F
10 AM
35°F
10%
15mph
S
Partly Cloudy
Humidity
51%
Feels like
26°F
Dew Point
19°F
11 AM
37°F
10%
15mph
S
Mostly Cloudy
Humidity
45%
Feels like
28°F
Dew Point
18°F
12 PM
39°F
10%
15mph
S
Partly Cloudy
Humidity
43%
Feels like
31°F
Dew Point
19°F
1 PM
40°F
10%
15mph
S
Partly Cloudy
Humidity
43%
Feels like
32°F
Dew Point
19°F
2 PM
41°F
10%
15mph
S
Mostly Sunny
Humidity
44%
Feels like
33°F
Dew Point
20°F
3 PM
41°F
10%
15mph
S
Mostly Sunny
Humidity
46%
Feels like
33°F
Dew Point
22°F
4 PM
40°F
10%
15mph
S
Mostly Sunny
Humidity
49%
Feels like
32°F
Dew Point
22°F
4:32 PM
5 PM
38°F
10%
15mph
S
Partly Cloudy
Humidity
54%
Feels like
30°F
Dew Point
23°F
6 PM
37°F
10%
15mph
S
Partly Cloudy
Humidity
58%
Feels like
28°F
Dew Point
24°F
7 PM
37°F
10%
15mph
S
Mostly Cloudy
Humidity
60%
Feels like
28°F
Dew Point
24°F
8 PM
37°F
10%
15mph
S
Mostly Cloudy
Humidity
62%
Feels like
28°F
Dew Point
25°F
9 PM
37°F
10%
16mph
S
Mostly Cloudy
Humidity
64%
Feels like
28°F
Dew Point
26°F
10 PM
38°F
10%
16mph
S
Partly Cloudy
Humidity
70%
Feels like
29°F
Dew Point
29°F
11 PM
38°F
10%
15mph
SSW
Mostly Clear
Humidity
75%
Feels like
29°F
Dew Point
31°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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