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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

68°F

20°C

Humidity 96%
Wind Speed E 7 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 19 Sep 4:52 pm CDT
Extended Forecast for

Highwood IL

Flood Watch September 19, 05:06pm until September 20, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 19, 05:06pm until September 20, 07:00am

    NOW until 7:00am Sun

    Flood Watch

  • This Afternoon

    High: 69 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Steady temperature around 67. East wind 5 to 10 mph becoming south southwest after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 67 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 66. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 58. Breezy, with an east northeast wind around 20 mph, with gusts as high as 30 mph.

    Low: 58 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 65. Breezy, with an east northeast wind around 20 mph, with gusts as high as 30 mph.

    High: 65 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Cloudy, with a low around 56. Breezy.

    Low: 56 °F

    Cloudy and
    Breezy then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.

    High: 63 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 69. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Steady temperature around 67. East wind 5 to 10 mph becoming south southwest after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 66. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 58. Breezy, with an east northeast wind around 20 mph, with gusts as high as 30 mph.
Monday
A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 65. Breezy, with an east northeast wind around 20 mph, with gusts as high as 30 mph.
Monday Night
A 20 percent chance of showers after 1am. Cloudy, with a low around 56. Breezy.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Mostly cloudy, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Highwood IL
 42.19°N 87.8°W
Last Update:
4:01 pm CDT Sep 19, 2026
Forecast Valid:
5pm CDT Sep 19, 2026-6pm CDT Sep 26, 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