Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into 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.

Mostly Cloudy

71°F

22°C

Humidity	87%
Wind Speed	SE 6 mph
Barometer	29.83 in (1008.9 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	18 Jun 8:51 am CDT

More Information:

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

Extended Forecast for

Zion IL

Today
High: 70 °F⇓
Chance
T-storms then
T-storms
Tonight
Low: 61 °F
Showers
Likely then
Slight Chance
Showers
Juneteenth
High: 81 °F
Slight Chance
T-storms
Thursday Night
Low: 64 °F
Mostly Clear
Friday
High: 84 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 71 °F
Mostly Clear
Saturday
High: 92 °F
Sunny
Saturday Night
Low: 74 °F
Clear
Sunday
High: 94 °F
Sunny

Detailed Forecast

Today

Showers and thunderstorms, mainly after 1pm. Temperature falling to around 67 by 4pm. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Tonight

Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and midnight, then a slight chance of showers after midnight. Mostly cloudy, with a low around 61. West northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Juneteenth

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 81. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

Thursday Night

Mostly clear, with a low around 64. Southwest wind around 5 mph, with gusts as high as 10 mph.

Friday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. South wind 5 to 15 mph.

Friday Night

Mostly clear, with a low around 71.

Saturday

Sunny, with a high near 92.

Saturday Night

Clear, with a low around 74.

Sunday

Sunny, with a high near 94.