Hourly Weather Forecast - Johnsburg, IL

3 PM
31°F
10%
4mph
SW
Cloudy
Humidity
89%
Feels like
27°F
Dew Point
28°F
4 PM
31°F
10%
3mph
SW
Cloudy
Humidity
91%
Feels like
28°F
Dew Point
29°F
4:20 PM
5 PM
31°F
20%
3mph
SSW
Cloudy
Humidity
91%
Feels like
31°F
Dew Point
29°F
6 PM
32°F
40%
3mph
S
40% Chance Frozen Mix
Humidity
91%
Feels like
29°F
Dew Point
30°F
7 PM
33°F
60%
4mph
S
60% Chance Frozen Mix
Humidity
93%
Feels like
29°F
Dew Point
31°F
8 PM
33°F
90%
5mph
S
Light Rain
Humidity
93%
Feels like
28°F
Dew Point
32°F
9 PM
34°F
80%
7mph
S
80% Chance of Light Rain
Humidity
93%
Feels like
28°F
Dew Point
32°F
10 PM
35°F
70%
8mph
SSW
70% Chance of Light Rain
Humidity
93%
Feels like
28°F
Dew Point
33°F
11 PM
35°F
50%
9mph
SW
50% Chance of Rain
Humidity
92%
Feels like
28°F
Dew Point
33°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