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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Overcast

72°F

22°C

Humidity 87%
Wind Speed NE 15 mph
Barometer 30.17 in (1021.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 17 Sep 4:51 pm CDT
Extended Forecast for

2 Miles SW Mount Prospect IL

  • This Afternoon

    This Afternoon: Patchy drizzle with a slight chance of showers. Cloudy, with a steady temperature around 71. North northeast wind around 5 mph.

    High: 71 °F

    Patchy
    Drizzle

  • Tonight

    Tonight: Patchy drizzle with a slight chance of showers before 10pm. Mostly cloudy, with a low around 64. North northeast wind 5 to 10 mph.

    Low: 64 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 71. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then showers and possibly a thunderstorm after 1am. Low around 62. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Cloudy then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 72. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.

    High: 72 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers. Cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 63.

    High: 63 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Patchy drizzle with a slight chance of showers. Cloudy, with a steady temperature around 71. North northeast wind around 5 mph.
Tonight
Patchy drizzle with a slight chance of showers before 10pm. Mostly cloudy, with a low around 64. North northeast wind 5 to 10 mph.
Friday
Partly sunny, with a high near 71. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers, then showers and possibly a thunderstorm after 1am. Low around 62. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 72. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Cloudy, with a low around 57.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 63.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Mount Prospect IL
 42.04°N 87.99°W
Last Update:
2:41 pm CDT Sep 17, 2026
Forecast Valid:
4pm CDT Sep 17, 2026-6pm CDT Sep 24, 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