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

Hazardous Weather Outlook

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

91°F

33°C

Humidity	54%
Wind Speed	W 8 mph
Barometer	30.05 in (1016.8 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	16 Aug 11:52 am CDT

More Information:

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

Extended Forecast for

Algonquin IL

This Afternoon
High: 90 °F
Chance
T-storms
Tonight
Low: 70 °F
Chance
T-storms
Sunday
High: 80 °F
Slight Chance
T-storms
Sunday Night
Low: 69 °F
Chance
T-storms
Monday
High: 90 °F
Chance
T-storms
Monday Night
Low: 71 °F
Chance
T-storms
Tuesday
High: 85 °F
Chance
T-storms
Tuesday Night
Low: 64 °F
Mostly Cloudy
Wednesday
High: 75 °F
Partly Sunny

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Southwest wind around 5 mph, with gusts as high as 15 mph.

Tonight

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.

Sunday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. East northeast wind 5 to 10 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. East wind around 5 mph, with gusts as high as 10 mph.

Monday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Monday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85.

Tuesday Night

Mostly cloudy, with a low around 64.

Wednesday

Partly sunny, with a high near 75.

Wednesday Night

Mostly clear, with a low around 61.