Hazardous Weather Conditions
Current conditions at
Chicago, Chicago Midway Airport (KMDW)
Lat: 41.78°NLon: 87.76°WElev: 617ft.
Overcast
69°F
21°C
| Humidity | 93% |
| Wind Speed | SE 9 mph |
| Barometer | 29.81 in (1008.5 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 18 May 11:53 am CDT |
Extended Forecast for
Westchester IL
This Afternoon

High: 78 °F
Showers
Likely and
BreezyTonight
Low: 69 °F
Slight Chance
T-storms then
Chance
T-storms and
BreezyTuesday
High: 81 °F
Breezy.
Chance
T-storms then
Showers
LikelyTuesday Night
Low: 51 °F
Chance
Showers then
Mostly CloudyWednesday

High: 61 °F
Partly Sunny
Wednesday Night

Low: 45 °F
Partly Cloudy
Thursday

High: 63 °F
Mostly Sunny
Thursday Night

Low: 49 °F
Mostly Cloudy
Friday

High: 69 °F
Chance
Showers
Detailed Forecast
This Afternoon
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Cloudy, with a high near 78. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 69. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 81. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 51. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 61. Northeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 69.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Westchester IL
41.84°N 87.88°W
41.84°N 87.88°W
11:41 am CDT May 18, 2026
12pm CDT May 18, 2026-6pm CDT May 24, 2026



