Tomorrow Hourly Weather Forecast for Waukegan, IL

Hourly Weather | Tomorrow › Friday, July 3, 2026

Active Weather Warnings

Extreme Heat Warning

Waukegan, Illinois

12 AM

73°

Feels Like 73°

Humidity: 94%

UV Index: 0

Wind: 8 mph

1 AM

73°

Feels Like 75°

Humidity: 96%

UV Index: 0

Wind: 8 mph

2 AM

73°

Feels Like 73°

Humidity: 99%

UV Index: 0

Wind: 7 mph

3 AM

73°

Feels Like 79°

Humidity: 98%

UV Index: 0

Wind: 7 mph

4 AM

73°

Feels Like 79°

Humidity: 97%

UV Index: 0

Wind: 6 mph

5 AM

73°

Feels Like 79°

Humidity: 96%

UV Index: 0

Wind: 7 mph

6 AM

73°

Feels Like 73°

Humidity: 96%

UV Index: 0

Wind: 7 mph

7 AM

75°

Feels Like 81°

Humidity: 91%

UV Index: 1

Wind: 7 mph

8 AM

77°

Feels Like 84°

Humidity: 84%

UV Index: 1

Wind: 7 mph

9 AM

81°

Feels Like 88°

Humidity: 77%

UV Index: 3

Wind: 8 mph

10 AM

82°

Feels Like 91°

Humidity: 71%

UV Index: 4

Wind: 9 mph

11 AM

84°

Feels Like 97°

Humidity: 66%

UV Index: 6

Wind: 9 mph

12 PM

90°

Feels Like 99°

Humidity: 58%

UV Index: 5

Wind: 9 mph

1 PM

88°

Feels Like 97°

Humidity: 67%

UV Index: 4

Wind: 10 mph

2 PM

86°

Feels Like 99°

Humidity: 64%

UV Index: 8

Wind: 10 mph

3 PM

86°

Feels Like 97°

Humidity: 63%

UV Index: 6

Wind: 10 mph

4 PM

86°

Feels Like 93°

Humidity: 64%

UV Index: 4

Wind: 10 mph

5 PM

84°

Feels Like 90°

Humidity: 67%

UV Index: 2

Wind: 9 mph

6 PM

81°

Feels Like 84°

Humidity: 82%

UV Index: 1

Wind: 8 mph

7 PM

79°

Feels Like 84°

Humidity: 79%

UV Index: 1

Wind: 8 mph

8 PM

79°

Feels Like 82°

Humidity: 83%

UV Index: 0

Wind: 8 mph

9 PM

79°

Feels Like 82°

Humidity: 83%

UV Index: 0

Wind: 8 mph

10 PM

75°

Feels Like 75°

Humidity: 90%

UV Index: 0

Wind: 8 mph

11 PM

73°

Feels Like 77°

Humidity: 95%

UV Index: 0

Wind: 7 mph

Weather Alerts and Warnings for Waukegan

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued July 2 at 1:48PM CDT until July 3 at 12:00AM CDT by NWS Chicago IL

Jul 2, 1:48 PM → Jul 3, 12:00 AM

WHAT: Dangerously hot conditions with heat index values up to 105
degrees.

WHERE: Portions of north central and northeast Illinois and
northwest Indiana.

WHEN: Until midnight CDT tonight.

IMPACTS: Heat related illnesses increase significantly during
extreme heat and high humidity events.

+ Read More

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Stay cool, stay hydrated, stay informed. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Updated: Jul 2, 10:42 PM Source: NWS Alert

Weather Alerts and Warnings for Waukegan

Extreme Heat Warning

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