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/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

65°F

18°C

Humidity	59%
Wind Speed	SW 9 mph
Barometer	29.69 in (1005.0 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	9 Mar 6:51 pm CDT

More Information:

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

Extended Forecast for

Zion IL

Tonight
Low: 42 °F
Partly Cloudy
Tuesday
High: 43 °F⇓
Patchy Fog
then Chance
Showers
Tuesday Night
Low: 37 °F
Showers and
Patchy Fog
Wednesday
High: 39 °F
Rain/Snow
Likely and
Patchy Fog
Wednesday Night
Low: 28 °F
Chance Snow
Showers and
Blustery then
Mostly Clear
Thursday
High: 45 °F
Mostly Sunny
Thursday Night
Low: 37 °F
Chance
Rain/Snow
then
Rain/Snow
Likely
Friday
High: 46 °F
Partly Sunny
and Breezy
then Mostly
Sunny
Friday Night
Low: 31 °F
Mostly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 42. Southwest wind 5 to 10 mph becoming north northeast after midnight.

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 40 by 3pm. North wind 10 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 likely after 4am. Patchy fog. Low around 37. North northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

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 39. Breezy, with a north northwest wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Wednesday Night

A 30 percent chance of snow showers before 7pm. Partly cloudy, with a low around 28. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight.

Thursday

Mostly sunny, with a high near 45.

Thursday Night

A chance of rain and snow showers before 1am, then rain showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

Friday

Partly sunny, with a high near 46. Breezy.

Friday Night

Mostly cloudy, with a low around 31.

Saturday

A chance of snow showers before 1pm. Cloudy, with a high near 41.

Saturday Night

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