Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

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

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Fair

79°F

26°C

Humidity 69%
Wind Speed S 14 G 26 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 21 Jun 2:51 am CDT
Extended Forecast for

2 Miles SSE Niles IL

Extreme Heat Warning June 21, 10:00am until June 24, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  • Overnight

    Overnight: Mostly clear, with a low around 74. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Heat index values as high as 106. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 97 °F

    Hot and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 40 mph.

    Low: 79 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 105. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 97 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 79. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 79 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly clear, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 74. South southwest wind around 15 mph, with gusts as high as 25 mph.
Saturday
Sunny and hot, with a high near 97. Heat index values as high as 106. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Saturday Night
Mostly clear, with a low around 79. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 40 mph.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 105. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 79. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Sunny and hot, with a high near 98.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 77.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Niles IL
 41.99°N 87.81°W
3:26 am CDT Jun 21, 2025
3am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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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