Extreme Heat and Fire Weather Conditions in the West; Heavy Rain in the Southeast; Poor Air Quality

Extreme heat will begin to peak across the Desert Southwest. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Poor air quality persists from the Upper Midwest into the Northeast due to wildfire smoke. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fog/Mist

67°F

19°C

Humidity 91%
Wind Speed Calm
Barometer 30.25 in (1023.9 mb)
Dewpoint 64°F (18°C)
Visibility 6.00 mi
Last update 6 Aug 2:52 am CDT
Extended Forecast for

Forest Lake IL

  • Overnight

    Overnight: Areas of smoke. Patchy fog.  Otherwise, partly cloudy, with a low around 64. North wind around 5 mph becoming calm.

    Low: 64 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of smoke before 10am. Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 86. Light and variable wind becoming east 5 to 10 mph in the morning.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. East wind around 5 mph becoming south after midnight.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of smoke. Patchy fog. Otherwise, partly cloudy, with a low around 64. North wind around 5 mph becoming calm.
Wednesday
Areas of smoke before 10am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Light and variable wind becoming east 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68. East wind around 5 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 89. South wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind around 5 mph.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 74.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Forest Lake IL
 42.2°N 88.03°W
2:56 am CDT Aug 6, 2025
3am CDT Aug 6, 2025-6pm CDT Aug 12, 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