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, Chicago-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Overcast

74°F

23°C

Humidity	91%
Wind Speed	Vrbl 3 mph
Barometer	29.99 in (1015.1 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	16 Aug 9:51 pm CDT

More Information:

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

Extended Forecast for

2 Miles SSE Evanston IL

Tonight
Low: 73 °F
T-storms
Likely
Sunday
High: 78 °F
Chance
T-storms
Sunday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 90 °F
Chance
T-storms
Monday Night
Low: 75 °F
Chance
T-storms
Tuesday
High: 84 °F
Chance
T-storms
Tuesday Night
Low: 70 °F
Slight Chance
T-storms
Wednesday
High: 74 °F
Partly Sunny
Wednesday Night
Low: 68 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly between midnight and 5am. Cloudy, with a low around 73. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A 30 percent chance of showers and thunderstorms, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 78. North wind around 10 mph, with gusts as high as 20 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. North northeast wind around 10 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.

Monday

A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90. Heat index values as high as 98. South wind around 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 75. South wind 5 to 10 mph.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Tuesday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70.

Wednesday

Partly sunny, with a high near 74.

Wednesday Night

Partly cloudy, with a low around 68.

Thursday

Sunny, with a high near 77.