Hourly Weather Forecast - Merna, IL

12 AM
28°F
0%
19mph
S
Cloudy
Humidity
64%
Feels like
14°F
Dew Point
17°F
1 AM
28°F
0%
19mph
S
Cloudy
Humidity
63%
Feels like
15°F
Dew Point
17°F
2 AM
28°F
0%
20mph
S
Cloudy
Humidity
63%
Feels like
15°F
Dew Point
17°F
3 AM
29°F
0%
20mph
S
Windy
Humidity
63%
Feels like
16°F
Dew Point
18°F
4 AM
29°F
0%
21mph
S
Windy
Humidity
63%
Feels like
16°F
Dew Point
18°F
5 AM
30°F
0%
21mph
S
Windy
Humidity
63%
Feels like
17°F
Dew Point
19°F
6 AM
31°F
0%
21mph
S
Windy
Humidity
64%
Feels like
18°F
Dew Point
20°F
7 AM
32°F
10%
21mph
SSW
Windy
Humidity
63%
Feels like
20°F
Dew Point
21°F
7:14 AM
8 AM
34°F
10%
21mph
SSW
Windy
Humidity
62%
Feels like
23°F
Dew Point
22°F
9 AM
36°F
10%
21mph
SSW
Windy
Humidity
60%
Feels like
25°F
Dew Point
24°F
10 AM
38°F
20%
21mph
SSW
Windy
Humidity
59%
Feels like
28°F
Dew Point
25°F
11 AM
41°F
20%
21mph
SSW
Windy
Humidity
57%
Feels like
31°F
Dew Point
27°F
12 PM
42°F
20%
20mph
SSW
Windy
Humidity
57%
Feels like
34°F
Dew Point
28°F
1 PM
43°F
20%
19mph
SSW
Mostly Cloudy
Humidity
58%
Feels like
35°F
Dew Point
29°F
2 PM
43°F
10%
17mph
SW
Mostly Cloudy
Humidity
60%
Feels like
35°F
Dew Point
30°F
3 PM
43°F
10%
16mph
SW
Mostly Cloudy
Humidity
64%
Feels like
35°F
Dew Point
31°F
4 PM
41°F
10%
14mph
SW
Mostly Cloudy
Humidity
69%
Feels like
34°F
Dew Point
32°F
4:31 PM
5 PM
39°F
10%
13mph
SW
Partly Cloudy
Humidity
76%
Feels like
32°F
Dew Point
32°F
6 PM
38°F
10%
12mph
SW
Partly Cloudy
Humidity
82%
Feels like
30°F
Dew Point
33°F
7 PM
37°F
10%
11mph
SW
Partly Cloudy
Humidity
87%
Feels like
29°F
Dew Point
33°F
8 PM
35°F
10%
11mph
WSW
Partly Cloudy
Humidity
92%
Feels like
28°F
Dew Point
33°F
9 PM
35°F
10%
11mph
W
Partly Cloudy
Humidity
96%
Feels like
27°F
Dew Point
33°F
10 PM
34°F
10%
11mph
WNW
Partly Cloudy
Humidity
97%
Feels like
26°F
Dew Point
33°F
11 PM
33°F
10%
11mph
WNW
Partly Cloudy
Humidity
97%
Feels like
25°F
Dew Point
33°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday'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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