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.

Fair

93°F

34°C

Humidity	56%
Wind Speed	SW 5 mph
Barometer	30.03 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	105°F (41°C)
Last update	16 Aug 3:45 pm CDT

More Information:

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

Extended Forecast for

2 Miles E New Lenox IL

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

Heat Advisory August 16, 04:45pm 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 August 16, 04:45pm until August 16, 08:00pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 92 °F
Severe
Thunderstorms
Tonight
Low: 73 °F
Severe
Thunderstorms
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: 73 °F
Partly Cloudy
then Chance
T-storms
Tuesday
High: 89 °F
Chance
T-storms
Tuesday Night
Low: 67 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 92. Heat index values as high as 102. West southwest wind around 5 mph.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 73. South wind around 5 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

Sunday

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

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, with gusts as high as 15 mph.

Monday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. 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 after 1am. Partly cloudy, with a low around 73.

Tuesday

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

Tuesday Night

Mostly cloudy, with a low around 67.

Wednesday

Partly sunny, with a high near 78.

Wednesday Night

Partly cloudy, with a low around 64.

Thursday

Sunny, with a high near 81.