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/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

69°F

21°C

Humidity 36%
Wind Speed SW 18 G 26 mph
Barometer 29.67 in (1004.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 9 Mar 1:51 pm CDT
Extended Forecast for

Long Lake IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Calm wind becoming east southeast around 5 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 43 by 5pm. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 61 °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 likely after 4am. Low around 37. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 37 °F

    Showers

  • Wednesday

    Wednesday: Rain showers likely before 4pm, then a chance of rain and snow showers. Cloudy, with a high near 43. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 43 °F

    Showers
    Likely then
    Rain/Snow
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 7pm. Partly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Rain/Snow
    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 36. Breezy.

    Low: 36 °F

    Showers
    Likely and
    Breezy

  • 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 69. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 44. Calm wind becoming east southeast around 5 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 43 by 5pm. North northeast wind 5 to 10 mph, with gusts as high as 20 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. Low around 37. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Wednesday
Rain showers likely before 4pm, then a chance of rain and snow showers. Cloudy, with a high near 43. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow showers before 7pm. Partly cloudy, with a low around 26. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 36. Breezy.
Friday
Partly sunny, with a high near 47. Breezy.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Cloudy, with a high near 43.
Saturday Night
Rain and snow showers likely. Cloudy, with a low around 33.
Sunday
Rain and snow showers likely. Cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°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