Great Lakes, IL Weather Forecast & Alerts

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

Current Conditions — Great Lakes, IL

KENOSHA (KENW)

Clear

48.2 F
Humidity:87%
Wind Speed:SE 10.4 mph
Barometer:29.97 in
Dewpoint:44.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:43.7 F
Apr 27 2026, 02:35 AM CDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Great Lakes, IL

Monday

High 66 °F
T-storms
Monday
Night
Low 50 °F
T-storms
Tuesday

High 62 °F
Mostly Cloudy
Tuesday
Night
Low 46 °F
Slight Chance of Rain
Wednesday

High 55 °F
Mostly Cloudy
Wednesday
Night
Low 41 °F
Mostly Clear
Thursday

High 53 °F
Mostly Cloudy
Thursday
Night
Low 41 °F
Mostly Cloudy
Friday

High 50 °F
Partly Sunny

Detailed Forecast — Great Lakes, IL

Monday
Thunderstorms. High near 66°F. Wind 16 to 23 mph, with gusts as high as 35 mph.
Monday Night
Thunderstorms. Low around 50°F. Wind 16 to 22 mph, with gusts as high as 32 mph.
Tuesday
Mostly Cloudy. High near 62°F. Wind 7 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Slight Chance of Rain. Low around 46°F. Wind 5 to 7 mph, with gusts as high as 12 mph.
Wednesday
Mostly Cloudy. High near 55°F. Wind 7 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly Clear. Low around 41°F. Wind around 2 mph, with gusts as high as 5 mph.
Thursday
Mostly Cloudy. High near 53°F. Wind 6 to 7 mph, with gusts as high as 12 mph.
Thursday Night
Mostly Cloudy. Low around 41°F. Wind around 2 mph, with gusts as high as 5 mph.
Friday
Partly Sunny. High near 50°F. Wind 6 to 8 mph, with gusts as high as 14 mph.
Friday Night
Mostly Clear. Low around 39°F. Wind around 2 mph, with gusts as high as 5 mph.
Saturday
Mostly Sunny. High near 53°F. Wind 3 to 7 mph, with gusts as high as 10 mph.
Saturday Night
Partly Cloudy. Low around 44°F. Wind around 3 mph, with gusts as high as 7 mph.
Sunday
Mostly Sunny. High near 62°F. Wind 5 to 8 mph, with gusts as high as 13 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 27, 2026

Observation History — Great Lakes, 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)
02:35 AM CDT SE 10.4 10.00 Clear -- 48.2 44.6 87% 43.7 NA 29.97 1014.9
02:30 AM CDT 8.1 10.00 Clear -- 46.4 44.6 93% 42.4 NA 29.98 1015.2
02:20 AM CDT 6.9 10.00 Clear -- 46.4 42.8 87% 43.0 NA 29.99 1015.6
02:15 AM CDT 6.9 10.00 Clear -- 46.4 42.8 87% 43.0 NA 29.99 1015.6
02:10 AM CDT 6.9 10.00 Clear -- 46.4 42.8 87% 43.0 NA 29.99 1015.6
02:05 AM CDT 5.7 10.00 Clear -- 44.6 42.8 93% 41.4 NA 30.00 1015.9
02:00 AM CDT 5.7 10.00 Clear -- 44.6 42.8 93% 41.4 NA 30.00 1015.9
01:50 AM CDT 5.7 10.00 Clear -- 42.8 41.0 93% 39.2 NA 30.00 1015.9
01:40 AM CDT E 4.6 10.00 Clear -- 42.8 39.2 87% 40.1 NA 30.01 1016.3
01:35 AM CDT E 4.6 10.00 Clear -- 42.8 39.2 87% 40.1 NA 30.01 1016.3
01:30 AM CDT E 4.6 10.00 Clear -- 42.8 41.0 93% 40.1 NA 30.01 1016.3
01:20 AM CDT E 6.9 10.00 Clear -- 42.8 41.0 93% 38.5 NA 30.01 1016.3
01:15 AM CDT E 6.9 10.00 Clear -- 42.8 41.0 93% 38.5 NA 30.01 1016.3
01:10 AM CDT E 6.9 10.00 Clear -- 42.8 41.0 93% 38.5 NA 30.01 1016.3
01:05 AM CDT E 6.9 10.00 Clear -- 42.8 41.0 93% 38.5 NA 30.01 1016.3
01:00 AM CDT E 5.7 10.00 Clear -- 42.8 41.0 93% 39.2 NA 30.01 1016.3
12:45 AM CDT E 9.2 10.00 Clear -- 44.6 41.0 87% 39.7 NA 30.01 1016.3
12:35 AM CDT E 10.4 10.00 Clear -- 44.6 41.0 87% 39.2 NA 30.01 1016.3
12:30 AM CDT E 11.5 10.00 Clear -- 42.8 41.0 93% 36.5 NA 30.01 1016.3
12:20 AM CDT E 11.5 10.00 Clear -- 42.8 41.0 93% 36.5 NA 30.01 1016.3
12:10 AM CDT E 10.4 10.00 Clear -- 42.8 41.0 93% 37.0 NA 30.02 1016.6
12:05 AM CDT E 10.4 10.00 Clear -- 42.8 41.0 93% 37.0 NA 30.02 1016.6
12:00 AM CDT E 8.1 10.00 Clear -- 42.8 41.0 93% 37.9 NA 30.02 1016.6
11:50 PM CDT E 9.2 10.00 Clear -- 42.8 41.0 93% 37.4 NA 30.02 1016.6

Regional Weather Observation

KENOSHA (KENW)

Clear
48.2 F

BURLINGTON (KBUU)

Clear
45.9 F

WAUKEGAN (KUGN)

Clear
46.4 F

EAST TROY (K57C)

Clear
43.3 F

RACINE (KRAC)

Clear
48.2 F

PALWAUKEE (KPWK)

Clear
51.8 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe