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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

72°F

22°C

Humidity 91%
Wind Speed W 5 mph
Barometer 30.06 in (1016.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 6:53 am CDT
Extended Forecast for

3 Miles E Chicago Midway Airport IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 80. North northeast wind 5 to 10 mph.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Northeast wind around 10 mph becoming east southeast after midnight.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. South southeast wind around 10 mph, with gusts as high as 15 mph.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 73. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 86 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 80. North northeast wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 71. Northeast wind around 10 mph becoming east southeast after midnight.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. South southeast wind around 10 mph, with gusts as high as 15 mph.
Monday Night
Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 73. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Chicago Midway Airport IL
 41.79°N 87.68°W
Last Update:
5:27 am CDT Aug 17, 2025
Forecast Valid:
7am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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