National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.; Severe Weather in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact multiple areas in the Plains and Intermountain West. Isolated severe thunderstorm wind gusts and possibly a tornado or two could occur tonight from southern and eastern New Mexico into west Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

70°F

21°C

Humidity 49%
Wind Speed S 12 mph
Barometer 29.92 in (1012.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 30 Sep 1:53 am CDT
Extended Forecast for

Chicago IL

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 4am. Cloudy, with a steady temperature around 66. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 66 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 67. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, then showers and possibly a thunderstorm after 3am. Low around 65. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 71. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 100%.

    High: 71 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 59. West northwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 4am. Cloudy, with a steady temperature around 66. South southwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 67. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely, then showers and possibly a thunderstorm after 3am. Low around 65. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 71. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 100%.
Thursday Night
Showers. Low around 59. West northwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
1:21 am CDT Sep 30, 2026
Forecast Valid:
2am CDT Sep 30, 2026-6pm CDT Oct 6, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation