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 >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

71°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 29.93 in (1012.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 19 Sep 4:53 pm CDT
Extended Forecast for

3 Miles N Chicago IL

Flood Watch September 19, 05:06pm until September 20, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 19, 05:06pm until September 20, 07:00am

    NOW until 7:00am Sun

    Flood Watch

  • This Afternoon

    High: 71 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Steady temperature around 68. East wind around 5 mph becoming west northwest after midnight. Winds could gust as high as 10 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 68 °F

    Showers
    Likely then
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 1pm, then a chance of showers.  Temperature falling to around 64 by 4pm. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 8pm.  Mostly cloudy, with a low around 57. East northeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 57 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of showers.  Cloudy, with a high near 65. East northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am.  Cloudy, with a low around 55.

    Low: 55 °F

    Cloudy then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 71. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Steady temperature around 68. East wind around 5 mph becoming west northwest after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 64 by 4pm. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 57. East northeast wind around 15 mph, with gusts as high as 30 mph.
Monday
A 40 percent chance of showers. Cloudy, with a high near 65. East northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of showers after 1am. Cloudy, with a low around 55.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Mostly cloudy, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Chicago IL
 41.88°N 87.68°W
4:01 pm CDT Sep 19, 2026
5pm CDT Sep 19, 2026-6pm CDT Sep 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database