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

6 Miles ESE Chicago 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: 64 °F
Heavy Rain
Saturday
High: 70 °F
Heavy Rain
then T-storms
Likely
Saturday Night
Low: 70 °F
T-storms
Sunday
High: 68 °F
Showers
Likely and
Windy
Sunday Night
Low: 59 °F
Slight Chance
Showers and
Windy
Monday
High: 63 °F
Slight Chance
Showers and
Breezy
Monday Night
Low: 57 °F
Mostly Cloudy
and Windy
Tuesday
High: 62 °F
Mostly Cloudy
and Breezy

Detailed Forecast

Overnight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 64. East southeast wind around 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 70. South southeast wind 5 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Saturday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Steady temperature around 70. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers likely and possibly a thunderstorm. Cloudy, with a high near 68. Windy, with a northeast wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Chance of precipitation is 60%.

Sunday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 59. Windy, with an east northeast wind 25 to 30 mph.

Monday

A 20 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.

Monday Night

Mostly cloudy, with a low around 57. Windy.

Tuesday

Mostly cloudy, with a high near 62. Breezy.

Tuesday Night

Mostly cloudy, with a low around 58. Breezy.

Wednesday

Partly sunny, with a high near 65. Breezy.