Hazardous Weather Conditions
Current conditions at
Chicago, Chicago Midway Airport (KMDW)
Lat: 41.78°NLon: 87.76°WElev: 617ft.
Mostly Cloudy
78°F
26°C
| Humidity | 58% |
| Wind Speed | S 20 G 30 mph |
| Barometer | 29.85 in (1010.3 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 17 Apr 12:53 pm CDT |
Extended Forecast for
Summit IL
Flood Watch April 17, 03:00pm until April 18, 05:00am
This Afternoon
High: 81 °F
Slight Chance
T-storms and
BreezyTonight
Low: 46 °F
Heavy Rain
and Breezy
then Heavy
RainSaturday
High: 51 °F
Chance
Showers then
Mostly Sunny
and BreezySaturday Night
Low: 37 °F
Mostly Clear
Sunday
High: 51 °F
Mostly Sunny
Sunday Night
Low: 36 °F
Partly Cloudy
then Areas
FrostMonday
High: 56 °F
Areas Frost
then SunnyMonday Night
Low: 47 °F
Partly Cloudy
Tuesday
High: 73 °F
Partly Sunny
Detailed Forecast
This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers after 3am. Some of the storms could produce heavy rainfall. Low around 46. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 51. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 37. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 51. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36.
Monday
Areas of frost before 7am. Otherwise, sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Summit IL
41.8°N 87.83°W
41.8°N 87.83°W
12:46 pm CDT Apr 17, 2026
1pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026
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