NWS 7 Day Forecast for Chicago IL
| National Weather Service Forecast for:
Chicago, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 6:00 pm CST Dec 31, 1969 | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Isolated rain showers before 1am. Partly cloudy, with a low around 75. Southwest wind around 5 mph. Chance of precipitation is 20%. |
| Tuesday |
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. West southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
| Tuesday Night |
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Heat index values as high as 98. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. |
| Wednesday |
Sunny, with a high near 92. Heat index values as high as 100. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. |
| Wednesday Night |
Mostly clear, with a low around 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. |
| Thursday |
A chance of showers and thunderstorms after 7am. Partly sunny, with a high near 86. Chance of precipitation is 30%. |
| Thursday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. |
| Friday |
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. |
| Friday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. |
| Saturday |
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 84. |
| Saturday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 69. |
| Sunday |
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 81. |
| Sunday Night |
Partly cloudy, with a low around 67. |
| Labor Day |
Mostly sunny, with a high near 82. |
Tonight![]() Isolated Rain Showers Lo 75 °F |
NWS forecast: Isolated rain showers before 1am. Partly cloudy, with a low around 75. Southwest wind around 5 mph. Chance of precipitation is 20%. |
Tuesday![]() Mostly Sunny then Slight Chance Showers And T-Storms Hi 91 °F |
NWS forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. West southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
| Tuesday Night ![]() Slight Chance Showers And T-Storms then Partly Cloudy Lo 77 °F |
NWS forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Heat index values as high as 98. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. |
Wednesday![]() Sunny Hi 92 °F |
NWS forecast: Mostly clear, with a low around 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. |
| Wednesday Night ![]() Mostly Clear Lo 76 °F |
NWS forecast: Mostly clear, with a low around 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. |
Thursday![]() Chance Showers And T-Storms Hi 86 °F |
NWS forecast: A chance of showers and thunderstorms after 7am. Partly sunny, with a high near 86. Chance of precipitation is 30%. |
| Thursday Night ![]() Chance Showers And T-Storms Lo 74 °F |
NWS forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. |
Friday![]() Chance Showers And T-Storms Hi 86 °F |
NWS forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. |
| Friday Night ![]() Chance Showers And T-Storms Lo 72 °F |
NWS forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. |
Saturday![]() Chance Showers And T-Storms Hi 84 °F |
NWS forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 84. |
| Saturday Night ![]() Partly Cloudy then Slight Chance Rain Showers Lo 69 °F |
NWS forecast: A slight chance of rain showers after 1am. Partly cloudy, with a low around 69. |
Sunday![]() Slight Chance Rain Showers Hi 81 °F |
NWS forecast: A slight chance of rain showers before 1pm. Mostly sunny, with a high near 81. |
| Sunday Night ![]() Partly Cloudy Lo 67 °F |
NWS forecast: Partly cloudy, with a low around 67. |
Labor Day![]() Mostly Sunny Hi 82 °F |
NWS forecast: Mostly sunny, with a high near 82. |










