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.

Partly Cloudy

67°F

19°C

Humidity	68%
Wind Speed	S 16 G 25 mph
Barometer	29.71 in (1005.9 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	9 Mar 6:52 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Lake Forest IL

Tonight
Low: 44 °F
Partly Cloudy
Tuesday
High: 47 °F⇓
Patchy Fog
then Chance
Showers
Tuesday Night
Low: 41 °F
Showers
Wednesday
High: 41 °F
Showers
Likely then
Rain/Snow
Likely and
Breezy
Wednesday Night
Low: 28 °F
Chance
Rain/Snow
then Mostly
Clear
Thursday
High: 46 °F
Mostly Sunny
Thursday Night
Low: 37 °F
Chance
Showers then
Showers
Likely
Friday
High: 48 °F
Partly Sunny
and Breezy
Friday Night
Low: 30 °F
Mostly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming east 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 5pm. North northeast wind 5 to 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. Steady temperature around 41. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

Rain showers likely before 4pm, then a chance of rain and snow showers. Cloudy, with a high near 41. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Wednesday Night

A chance of rain and snow showers before 7pm. Partly cloudy, with a low around 28. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 46.

Thursday Night

Showers likely, mainly after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

Friday

Partly sunny, with a high near 48. Breezy.

Friday Night

Mostly cloudy, with a low around 30.

Saturday

Cloudy, with a high near 43.

Saturday Night

Rain and snow showers likely. Cloudy, with a low around 34.