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Hazardous Weather Conditions
Current conditions at
Chicago, Chicago Midway Airport (KMDW)
Lat: 41.78°NLon: 87.76°WElev: 617ft.
Thunderstorm
76°F
24°C
| Humidity | 82% |
| Wind Speed | S 6 mph |
| Barometer | 30.01 in (1015.4 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 77°F (25°C) |
| Last update | 5 Aug 4:53 pm CDT |
Extended Forecast for
Merrionette Park IL
This Afternoon
High: 77 °F
Chance
T-stormsTonight
Low: 69 °F
Showers
Likely and
Patchy FogThursday
High: 78 °F
Slight Chance
T-storms and
Patchy FogThursday Night
Low: 67 °F
Mostly Cloudy
Friday
High: 84 °F
Partly Sunny
then Slight
Chance
ShowersFriday Night
Low: 69 °F
Chance
ShowersSaturday
High: 83 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
then Chance
T-stormsSunday
High: 83 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 77. West southwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Patchy fog after 4am. Otherwise, cloudy, with a low around 69. West wind 5 to 10 mph becoming east northeast in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 78. South wind around 5 mph becoming west southwest in the afternoon. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Monday Night
Showers likely. Mostly cloudy, with a low around 69.
Tuesday
A chance of showers. Partly sunny, with a high near 78.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65.
Wednesday
A chance of showers. Partly sunny, with a high near 77.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Merrionette Park IL
41.66°N 87.69°W
41.66°N 87.69°W
4:11 pm CDT Aug 5, 2026
5pm CDT Aug 5, 2026-6pm CDT Aug 12, 2026
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