Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Thunderstorm Light Rain

65°F

18°C

Humidity	90%
Wind Speed	NE 13 mph
Barometer	30.02 in (1015.9 mb)
Dewpoint	62°F (17°C)
Visibility	9.00 mi
Last update	19 Sep 3:51 am CDT

More Information:

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

Extended Forecast for

2 Miles ESE Beach Park IL

Flood Watch until September 19, 01:00pm

Flood Advisory until September 19, 09:00am

Click here for hazard details and duration

Flood Watch

Flood Advisory

Flood Watch until September 19, 01:00pm
Flood Advisory until September 19, 09:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 66 °F
Heavy Rain
Saturday
High: 72 °F
Heavy Rain
then T-storms
Likely
Saturday Night
Low: 61 °F
T-storms
Sunday
High: 68 °F
Breezy.
Chance
T-storms then
Chance
Showers
Sunday Night
Low: 56 °F
Mostly Cloudy
and Breezy
Monday
High: 64 °F
Slight Chance
Showers and
Breezy
Monday Night
Low: 53 °F
Cloudy and
Breezy then
Mostly Cloudy
Tuesday
High: 63 °F
Mostly Cloudy
and Breezy

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 66. East southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Showers and thunderstorms, mainly before 1pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 72. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Saturday Night

Showers and thunderstorms, mainly before 4am. Low around 61. Southeast wind 5 to 15 mph becoming north northeast after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Sunday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 68. Breezy, with a northeast wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

Sunday Night

Mostly cloudy, with a low around 56. Breezy, with an east northeast wind around 20 mph, with gusts as high as 30 mph.

Monday

A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 64. Breezy.

Monday Night

Mostly cloudy, with a low around 53. Breezy.

Tuesday

Mostly cloudy, with a high near 63. Breezy.

Tuesday Night

Mostly cloudy, with a low around 53.

Wednesday

Partly sunny, with a high near 64.