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

Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Isolated severe thunderstorm gusts and a couple of tornadoes will be possible from southeast New Mexico into west Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Partly Cloudy

55°F

13°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (1017.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 29 Sep 12:52 am CDT
Extended Forecast for

Vernon Hills IL

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 74 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 62. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers. High near 70. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Cloudy, with a low around 65. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Friday

    Friday: A chance of showers before 1pm. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 51. Calm wind.
Tuesday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 62. South wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Showers. High near 70. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Cloudy, with a low around 65. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 90%.
Thursday Night
Showers. Low around 56. Chance of precipitation is 80%.
Friday
A chance of showers before 1pm. Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 51.
Saturday
A chance of showers before 1pm. Mostly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vernon Hills IL
 42.24°N 87.97°W
Last Update:
12:36 am CDT Sep 29, 2026
Forecast Valid:
1am CDT Sep 29, 2026-6pm CDT Oct 5, 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