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.

Overcast

70°F

21°C

Humidity	71%
Wind Speed	SE 13 mph
Barometer	30.04 in (1016.7 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Last update	19 Sep 12:53 am CDT

More Information:

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

Extended Forecast for

5 Miles ESE Chicago IL

Flood Watch September 19, 04:00am until September 19, 01:00pm

Click here for hazard details and duration

Flood Watch

Overnight
Low: 67 °F
Heavy Rain
Saturday
High: 75 °F
Heavy Rain
then T-storms
Likely
Saturday Night
Low: 66 °F
T-storms
Sunday
High: 69 °F
Showers
Likely and
Breezy
Sunday Night
Low: 60 °F
Slight Chance
Showers and
Breezy
Monday
High: 66 °F
Slight Chance
Showers and
Breezy
Monday Night
Low: 57 °F
Mostly Cloudy
and Breezy
Tuesday
High: 64 °F
Mostly Cloudy
and Breezy
Tuesday Night
Low: 57 °F
Mostly Cloudy

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 steady temperature around 67. East southeast wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

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 75. 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. Low around 66. East southeast wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Sunday

Showers likely and possibly a thunderstorm. Cloudy, with a high near 69. Breezy, with a northeast wind 15 to 25 mph. Chance of precipitation is 60%.

Sunday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 60. Breezy, with an east northeast wind 20 to 25 mph.

Monday

A 20 percent chance of showers. Mostly cloudy, with a high near 66. Breezy.

Monday Night

Mostly cloudy, with a low around 57. Breezy.

Tuesday

Mostly cloudy, with a high near 64. Breezy.

Tuesday Night

Mostly cloudy, with a low around 57.