Hourly Weather Forecast - Merna, IL

4:28 PM
5 PM
37°F
10%
17mph
S
Mostly Cloudy
Humidity
81%
Feels like
27°F
Dew Point
32°F
6 PM
37°F
10%
18mph
S
Cloudy
Humidity
82%
Feels like
27°F
Dew Point
32°F
7 PM
37°F
10%
20mph
SSW
Cloudy
Humidity
82%
Feels like
27°F
Dew Point
33°F
8 PM
38°F
10%
22mph
SSW
Windy
Humidity
82%
Feels like
27°F
Dew Point
33°F
9 PM
38°F
30%
23mph
SSW
30% Chance of Light Rain
Humidity
81%
Feels like
27°F
Dew Point
33°F
10 PM
39°F
30%
24mph
SW
30% Chance of Light Rain
Humidity
80%
Feels like
28°F
Dew Point
33°F
11 PM
39°F
50%
24mph
SW
50% Chance of Light Rain
Humidity
80%
Feels like
29°F
Dew Point
34°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide