Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Partly Cloudy

80°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 29.92 in (1011.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 26 Jul 6:51 pm CDT
Extended Forecast for

3 Miles NE Woodstock IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Areas of fog after 1am.  Otherwise, mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Slight Chance
    T-storms then
    Areas Fog

  • Sunday

    Sunday: Areas of fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 90 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. South wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 93. Heat index values as high as 108. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. West wind around 5 mph becoming calm  in the evening. Winds could gust as high as 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 97. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 93. Heat index values as high as 108. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Woodstock IL
 42.34°N 88.41°W
5:57 pm CDT Jul 26, 2025
7pm CDT Jul 26, 2025-6pm CDT Aug 2, 2025
 
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Additional Resources

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Hourly Weather Forecast

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