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 / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Heavy Rain Fog/Mist

67°F

19°C

Humidity	100%
Wind Speed	NE 6 mph
Barometer	29.91 in (1012.6 mb)
Dewpoint	67°F (19°C)
Visibility	2.50 mi
Last update	20 Sep 3:52 am CDT

More Information:

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

Extended Forecast for

Deerfield IL

Flood Watch September 20, 04:46am until September 20, 01:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch September 20, 04:46am until September 20, 01:00pm
NOW until 1:00pm Sun
Flood Watch
Overnight
Low: 65 °F
Heavy Rain
and Patchy
Fog
Sunday
High: 69 °F
Heavy Rain
and Patchy
Fog then
Chance
Showers and
Breezy
Sunday Night
Low: 56 °F
Slight Chance
Showers
Monday
High: 65 °F
Chance
Showers and
Breezy
Monday Night
Low: 54 °F
Slight Chance
Showers
Tuesday
High: 64 °F
Mostly Cloudy
Tuesday Night
Low: 53 °F
Partly Cloudy
Wednesday
High: 64 °F
Partly Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog. Low around 65. North northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers and thunderstorms before 1pm, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog before 10am. High near 69. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A slight chance of showers before 7pm, then a slight chance of showers after 3am. Cloudy, with a low around 56. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Monday

A 30 percent chance of showers, mainly before 9am. Cloudy, with a high near 65. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.

Monday Night

A 20 percent chance of showers. Cloudy, with a low around 54. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday

Mostly cloudy, with a high near 64.

Tuesday Night

Partly cloudy, with a low around 53.

Wednesday

Partly sunny, with a high near 64.

Wednesday Night

Mostly cloudy, with a low around 52.

Thursday

Partly sunny, with a high near 65.