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

Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Mostly Cloudy

81°F

27°C

Humidity 51%
Wind Speed NW 10 mph
Barometer 29.87 in (1011.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 26 Aug 3:51 pm CDT
Extended Forecast for

Evanston IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly sunny, with a high near 84. West wind around 15 mph.

    High: 84 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Mostly clear, with a low around 65. West northwest wind 5 to 10 mph.

    Low: 65 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. Northwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. North wind around 5 mph becoming east southeast in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly sunny, with a high near 84. West wind around 15 mph.
Tonight
A 20 percent chance of showers before 8pm. Mostly clear, with a low around 65. West northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 77. Northwest wind 5 to 10 mph becoming northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 78. North wind around 5 mph becoming east southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 70.
Sunday
Partly sunny, with a high near 85.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 73.
Monday
Partly sunny, with a high near 87.
Monday Night
Mostly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Evanston IL
 42.03°N 87.69°W
Last Update:
3:11 pm CDT Aug 26, 2026
Forecast Valid:
4pm CDT Aug 26, 2026-6pm CDT Sep 2, 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