Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

72°F

22°C

Humidity	71%
Wind Speed	E 7 mph
Barometer	30.06 in (1017.1 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	18 Jul 6:51 pm CDT

More Information:

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

Extended Forecast for

Round Lake Heights IL

Tonight
Low: 64 °F
Increasing
Clouds
Saturday
High: 82 °F
Showers
Likely
Saturday Night
Low: 65 °F
Chance
Showers
Sunday
High: 75 °F
Partly Sunny
Sunday Night
Low: 61 °F
Slight Chance
T-storms
Monday
High: 79 °F
Slight Chance
T-storms
Monday Night
Low: 67 °F
Partly Cloudy
then Slight
Chance
T-storms
Tuesday
High: 86 °F
Partly Sunny
Tuesday Night
Low: 72 °F
Partly Cloudy

Detailed Forecast

Tonight

Increasing clouds, with a low around 64. East southeast wind around 5 mph.

Saturday

A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 65. North northeast wind around 5 mph.

Sunday

Partly sunny, with a high near 75. East northeast wind 5 to 10 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61. Northeast wind 5 to 10 mph.

Monday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.

Tuesday

Partly sunny, with a high near 86.

Tuesday Night

Partly cloudy, with a low around 72.