Severe Thunderstorms; Excessive Rainfall; Dangerous Heat; Air Quality Concerns and the Tropics

Wildfire smoke will push into the Midwest, worsening air quality. A frontal system brings severe storms from the Northern Plains to the Mid‑Atlantic the next few days. Heavy Gulf Coast rain is possible as Tropical Depression Two has formed, while monsoonal storms persist in the Southwest with heavy rainfall. Hazardous heat expands from the Plains into the Lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43° N Lon: 87.86° W Elev: 709 ft.

Fair

73°F

23°C

Humidity	59%
Wind Speed	NE 6 mph
Barometer	29.99 in (1014.8 mb)
Dewpoint	58°F (14°C)
Visibility	7.00 mi
Last update	19 Jul 6:51 pm CDT

More Information:

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

Detailed forecast for

Lake County

This Afternoon

Partly cloudy. Patchy smoke. Near steady temperature in the upper 70s. East winds 5 to 10 mph.

Tonight

Partly cloudy. Patchy smoke. Lows in the lower 60s. East winds around 5 mph, becoming southwest after midnight.

Monday

Partly cloudy in the morning, then becoming mostly cloudy. Patchy smoke in the morning. A slight chance of showers in the afternoon. A slight chance of thunderstorms late. Highs in the mid 80s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of precipitation 20 percent.

Monday Night

Showers and thunderstorms likely. Humid with lows in the lower 70s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 60 percent.

Tuesday

Mostly sunny in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Breezy with highs in the mid 80s. West winds 10 to 15 mph, increasing to northwest 15 to 20 mph in the afternoon. Gusts up to 30 mph. Chance of precipitation 20 percent.

Tuesday Night

Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of precipitation 20 percent.

Wednesday

Mostly sunny. Highs in the mid 70s.

Wednesday Night

Clear. Lows in the upper 50s.

Thursday

Mostly sunny. Highs in the upper 70s.

Thursday Night

Partly cloudy. Lows in the lower 60s.

Friday

Partly cloudy. Highs around 80.