Hourly Weather Forecast - Merna, IL

7 PM
37°F
10%
20mph
SSW
Cloudy
Humidity
89%
Feels like
26°F
Dew Point
34°F
8 PM
37°F
10%
22mph
SSW
Windy
Humidity
88%
Feels like
26°F
Dew Point
34°F
9 PM
37°F
20%
23mph
SSW
Windy
Humidity
87%
Feels like
26°F
Dew Point
34°F
10 PM
38°F
30%
24mph
SSW
30% Chance of Light Rain
Humidity
86%
Feels like
27°F
Dew Point
34°F
11 PM
38°F
30%
24mph
SW
30% Chance of Light Rain
Humidity
85%
Feels like
27°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide