Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

71°F

22°C

Humidity	96%
Wind Speed	S 6 mph
Barometer	29.91 in (1011.9 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	9 Aug 8:51 pm CDT

More Information:

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

Extended Forecast for

Waukegan IL

Flood Watch August 9, 09:58pm until August 10, 07:00am

Severe T-storm Watch until August 10, 04:00am

Click here for hazard details and duration

Flood Watch

Severe T-storm Watch

Flood Watch August 9, 09:58pm until August 10, 07:00am
Severe T-storm Watch until August 10, 04:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 69 °F
Severe
Thunderstorms
Monday
High: 80 °F
Slight Chance
T-storms
Monday Night
Low: 67 °F
Chance
T-storms then
T-storms
Likely
Tuesday
High: 81 °F
T-storms
Likely then
Showers
Likely
Tuesday Night
Low: 67 °F
Showers
Likely
Wednesday
High: 80 °F
Slight Chance
T-storms then
Chance
Showers
Wednesday Night
Low: 65 °F
Slight Chance
T-storms
Thursday
High: 76 °F
Partly Sunny

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 2am. Some of the storms could be severe. Mostly cloudy, with a low around 69. East southeast wind around 5 mph becoming west after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Monday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. North northeast wind around 5 mph becoming east in the morning. Chance of precipitation is 20%.

Monday Night

Showers and thunderstorms likely, mainly after 5am. Mostly cloudy, with a low around 67. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers and thunderstorms likely before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 81. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%.

Tuesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 67. East wind around 5 mph becoming west after midnight. Chance of precipitation is 60%.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 80. Chance of precipitation is 40%.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.

Thursday

Partly sunny, with a high near 76.

Thursday Night

Mostly cloudy, with a low around 62.

Friday

Partly sunny, with a high near 72.

Friday Night

A chance of showers. Mostly cloudy, with a low around 61.