Waukegan, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Waukegan, IL.

1 Currently Active Alert for Waukegan

Current Conditions — Waukegan, IL

KENOSHA (KENW)

Clear

64.4 F
Humidity:64%
Wind Speed: 9.2 mph
Barometer:29.99 in
Dewpoint:51.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 01:05 PM CDT
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5-Day Forecast — Waukegan, IL

Wednesday

High 57 °F
Mostly Cloudy
Wednesday
Night
Low 48 °F
Mostly Cloudy
Thursday

High 75 °F
Mostly Cloudy
Thursday
Night
Low 59 °F
Chance of T-storms
Friday

High 73 °F
T-storms Likely
Friday
Night
Low 48 °F
Partly Cloudy
Saturday

High 59 °F
Partly Sunny
Saturday
Night
Low 46 °F
Mostly Cloudy
Sunday

High 59 °F
Partly Sunny

Detailed Forecast — Waukegan, IL

Wednesday
Mostly Cloudy. High near 57°F. Wind 8 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly Cloudy. Low around 48°F. Wind 5 to 6 mph, with gusts as high as 10 mph.
Thursday
Mostly Cloudy. High near 75°F. Wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Chance of Thunderstorms. Low around 59°F. Wind around 12 mph, with gusts as high as 20 mph.
Friday
Thunderstorms Likely. High near 73°F. Wind 8 to 12 mph, with gusts as high as 18 mph.
Friday Night
Partly Cloudy. Low around 48°F. Wind around 7 mph, with gusts as high as 13 mph.
Saturday
Partly Sunny. High near 59°F. Wind 5 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Mostly Cloudy. Low around 46°F. Wind around 3 mph, with gusts as high as 6 mph.
Sunday
Partly Sunny. High near 59°F. Wind 7 to 8 mph, with gusts as high as 15 mph.
Sunday Night
Chance of Rain. Low around 48°F. Wind around 10 mph, with gusts as high as 21 mph.
Monday
Thunderstorms Likely. High near 64°F. Wind 14 to 15 mph, with gusts as high as 28 mph.
Monday Night
Rain Likely. Low around 48°F. Wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly Cloudy. High near 62°F. Wind 7 to 13 mph, with gusts as high as 22 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 22, 2026

Observation History — Waukegan, IL

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
01:05 PM CDT 9.2 10.00 Clear -- 64.4 51.8 64% NA NA 29.99 1015.6
12:50 PM CDT NE 8.1 10.00 Clear -- 64.4 51.8 64% NA NA 29.99 1015.6
12:35 PM CDT 8.1 10.00 Clear -- 64.4 51.8 64% NA NA 29.99 1015.6
12:25 PM CDT NE 10.4 10.00 Clear -- 64.4 51.8 64% NA NA 29.99 1015.6
12:15 PM CDT 5.7 10.00 Clear -- 64.4 51.8 64% NA NA 29.99 1015.6
12:05 PM CDT 10.4 10.00 Clear -- 64.4 51.8 64% NA NA 29.99 1015.6
12:00 PM CDT NE 11.5 10.00 Clear -- 64.4 51.8 64% NA NA 29.99 1015.6
11:40 AM CDT 12.7 10.00 Clear -- 64.4 51.8 64% NA NA 29.98 1015.2
11:30 AM CDT 10.4 10.00 Clear -- 62.6 51.8 68% NA NA 29.98 1015.2
11:10 AM CDT 11.5 10.00 Clear -- 62.6 50.0 63% NA NA 29.98 1015.2
11:05 AM CDT 9.2 10.00 Clear -- 60.8 48.2 63% NA NA 29.99 1015.6
10:50 AM CDT 9.2 10.00 Clear -- 60.8 48.2 63% NA NA 29.98 1015.2
10:20 AM CDT 9.2 10.00 Clear -- 59.0 48.2 67% NA NA 29.98 1015.2
10:10 AM CDT 5.7 10.00 Clear -- 57.2 46.4 67% NA NA 29.98 1015.2
10:00 AM CDT 6.9 10.00 Clear -- 57.2 46.4 67% NA NA 29.98 1015.2
09:50 AM CDT 6.9 10.00 Clear -- 55.4 46.4 72% NA NA 29.97 1014.9
09:45 AM CDT 6.9 10.00 Clear -- 57.2 46.4 67% NA NA 29.97 1014.9
09:30 AM CDT 8.1 10.00 Clear -- 55.4 46.4 72% NA NA 29.97 1014.9
09:15 AM CDT 8.1 10.00 Clear -- 53.6 46.4 77% NA NA 29.97 1014.9
09:05 AM CDT 8.1 9.00 Clear -- 53.6 46.4 77% NA NA 29.97 1014.9
09:00 AM CDT 6.9 8.00 Mostly Clear -- 51.8 46.4 82% NA NA 29.97 1014.9
08:40 AM CDT 8.1 4.00 Fog/Mist -- 48.2 46.4 93% 44.6 NA 29.97 1014.9
08:35 AM CDT 6.9 4.00 Fog/Mist -- 50.0 46.4 87% NA NA 29.97 1014.9
08:25 AM CDT 8.1 6.00 Fog/Mist -- 50.0 46.4 87% NA NA 29.96 1014.6

Regional Weather Observation

KENOSHA (KENW)

Clear
64.4 F

BURLINGTON (KBUU)

Clear
67.3 F

WAUKEGAN (KUGN)

Clear
62.6 F

RACINE (KRAC)

Clear
53.6 F

EAST TROY (K57C)

Clear
67.1 F

MILWAUKEE (KMKE)

Clear
53.6 F
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