Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fog/Mist

79°F

26°C

Humidity	100%
Wind Speed	SW 5 mph
Barometer	29.83 in (1008.5 mb)
Dewpoint	79°F (26°C)
Visibility	4.00 mi
Heat Index	84°F (29°C)
Last update	27 Jul 3:51 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles NE Fox Lake IL

Heat Advisory July 27, 04:30am until July 27, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 27, 04:30am until July 27, 09:00pm
NOW until 9:00pm Mon
Heat Advisory
Overnight
Low: 75 °F
Chance
Showers
Monday
High: 89 °F
Heavy Rain
then Chance
T-storms
Monday Night
Low: 67 °F
Chance
T-storms then
Mostly Cloudy
Tuesday
High: 78 °F
Mostly Sunny
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 81 °F
Sunny
Wednesday Night
Low: 64 °F
Mostly Clear
Thursday
High: 85 °F
Mostly Sunny

Detailed Forecast

Overnight

A 30 percent chance of showers after 5am. Cloudy, with a low around 75. Southwest wind around 5 mph, with gusts as high as 10 mph.

Monday

Showers and thunderstorms likely, mainly before 2pm. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming mostly sunny, with a high near 89. Heat index values as high as 103. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 67. Southwest wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Tuesday

Mostly sunny, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 60. North northeast wind 5 to 10 mph becoming light north after midnight.

Wednesday

Sunny, with a high near 81.

Wednesday Night

Mostly clear, with a low around 64.

Thursday

Mostly sunny, with a high near 85.

Thursday Night

Mostly cloudy, with a low around 66.