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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

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

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Partly Cloudy

67°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 30.13 in (1020.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 28 Aug 6:51 am CDT
Extended Forecast for

Niles IL

  • Today

    Today: Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Southeast wind around 5 mph becoming south southwest after midnight.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 82. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 87. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers after 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.
Tonight
Partly cloudy, with a low around 65. Southeast wind around 5 mph becoming south southwest after midnight.
Saturday
Increasing clouds, with a high near 82. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 87. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 88.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niles IL
 42.04°N 87.81°W
Last Update:
1:21 am CDT Aug 28, 2026
Forecast Valid:
7am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation