Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. 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

66°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 29.92 in (1012.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 3:51 am CDT
Extended Forecast for

Evanston IL

  • Today

    Today: Partly sunny, with a high near 74. West northwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. North northeast wind 5 to 10 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77. East northeast wind around 5 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. East northeast wind around 5 mph becoming south southwest after midnight.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 74. West northwest wind 5 to 10 mph becoming northeast in the afternoon.
Tonight
Mostly cloudy, with a low around 70. North northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 77. East northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 66. East northeast wind around 5 mph becoming south southwest after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Evanston IL
 42.03°N 87.69°W
3:46 am CDT Aug 19, 2026
4am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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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