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, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Rain Fog/Mist

66°F

19°C

Humidity	84%
Wind Speed	SE 10 mph
Barometer	29.96 in (1013.9 mb)
Dewpoint	61°F (16°C)
Visibility	5.00 mi
Last update	19 Sep 3:53 am CDT

More Information:

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

Extended Forecast for

2 Miles W Oak Forest IL

Flood Watch until September 19, 01:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until September 19, 01:00pm
NOW until 1:00pm Sat
Flood Watch
Overnight
Low: 66 °F
Showers
Likely
Saturday
High: 78 °F
Heavy Rain
then T-storms
Likely
Saturday Night
Low: 66 °F
T-storms
Sunday
High: 71 °F
Showers
Likely
Sunday Night
Low: 57 °F
Chance
Showers
Monday
High: 65 °F
Chance
Showers
Monday Night
Low: 54 °F
Mostly Cloudy
Tuesday
High: 63 °F
Mostly Cloudy

Detailed Forecast

Overnight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a steady temperature around 66. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers and possibly a thunderstorm before noon, then showers and thunderstorms likely, mainly between noon and 1pm. Some of the storms could produce heavy rainfall. High near 78. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11pm. Low around 66. East southeast wind around 5 mph becoming west after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 71. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 57. East northeast wind around 15 mph, with gusts as high as 25 mph.

Monday

A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 65.

Monday Night

Mostly cloudy, with a low around 54.

Tuesday

Mostly cloudy, with a high near 63.

Tuesday Night

Mostly cloudy, with a low around 54.

Wednesday

Partly sunny, with a high near 65.