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

**Beyond the Warning Presentation in Oglesby on 3/10/2026 POSTPONED**

Due to the potential for severe thunderstorms on Tuesday, March 10th, the Beyond the Warning seminar in Oglesby, IL has been POSTPONED. We intend to reschedule this session later this spring. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

69°F

21°C

Humidity 38%
Wind Speed SW 13 mph
Barometer 29.70 in (1005.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 9 Mar 1:52 pm CDT
Extended Forecast for

Lake Forest IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 10 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of drizzle between 2pm and 5pm, then a chance of showers or drizzle after 5pm. Patchy fog before 11am. Otherwise, partly sunny, with a temperature falling to around 42 by 4pm. North northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    High: 57 °F⇓

    Patchy Fog
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Patchy fog. Low around 38. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 38 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Rain showers likely before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of snow showers after 4pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 44. Breezy, with a north wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 44 °F

    Rain/Snow
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers before 7pm. Partly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 47. Breezy.

    High: 47 °F

    Partly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 10 mph.
Tuesday
A chance of drizzle between 2pm and 5pm, then a chance of showers or drizzle after 5pm. Patchy fog before 11am. Otherwise, partly sunny, with a temperature falling to around 42 by 4pm. North northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Patchy fog. Low around 38. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Wednesday
Rain showers likely before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of snow showers after 4pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 44. Breezy, with a north wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of snow showers before 7pm. Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 47. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Cloudy, with a high near 42.
Saturday Night
Rain and snow showers likely. Cloudy, with a low around 35.
Sunday
Rain and snow showers. Cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
1:21 pm CDT Mar 9, 2026
Forecast Valid:
2pm CDT Mar 9, 2026-6pm CDT Mar 15, 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