Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Partly Cloudy

91°F

33°C

Humidity	63%
Wind Speed	Calm
Barometer	30.05 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	104°F (40°C)
Last update	16 Aug 2:45 pm CDT

More Information:

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

Extended Forecast for

3 Miles W Orland Park IL

Severe T-storm Watch until August 16, 07:00pm

Heat Advisory until August 16, 08:00pm

Click here for hazard details and duration

Severe T-storm Watch

Heat Advisory

Severe T-storm Watch until August 16, 07:00pm
Heat Advisory until August 16, 08:00pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 93 °F
T-storms
Likely
Tonight
Low: 73 °F
Chance
T-storms
Sunday
High: 84 °F
Slight Chance
T-storms
Sunday Night
Low: 71 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 92 °F
Chance
T-storms
Monday Night
Low: 74 °F
Chance
T-storms
Tuesday
High: 89 °F
Chance
T-storms
Tuesday Night
Low: 68 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 93. Heat index values as high as 104. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph.

Sunday

A 20 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Partly sunny, with a high near 84. Northwest wind 5 to 10 mph becoming northeast in the morning.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Northeast wind 5 to 10 mph.

Monday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Tuesday Night

Mostly cloudy, with a low around 68.

Wednesday

Partly sunny, with a high near 78.

Wednesday Night

Partly cloudy, with a low around 65.

Thursday

Sunny, with a high near 81.