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

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fog

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 41°F (5°C)
Visibility 0.25 mi
Last update 5 Mar 12:35 am CST
Extended Forecast for

Thornton IL

Dense Fog Advisory March 5, 12:39am until March 5, 03:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 12:39am until March 5, 03:00pm

    NOW until 3:00pm Thu

    Dense Fog Advisory

  • Overnight

    Low: 39 °F

    Chance
    Showers and
    Dense Fog

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before noon. Widespread dense fog, mainly before noon. Otherwise, cloudy, with a high near 45. North wind around 5 mph.

    High: 45 °F

    Chance
    Showers and
    Dense Fog

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, cloudy, with a low around 42. North northeast wind around 5 mph becoming calm.

    Low: 42 °F

    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms between 9am and noon, then a slight chance of showers. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 72. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    T-storms and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 58. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Showers and
    Breezy

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly after 4am. Widespread dense fog. Otherwise, cloudy, with a low around 39. North northeast wind around 5 mph.
Thursday
A 40 percent chance of showers, mainly before noon. Widespread dense fog, mainly before noon. Otherwise, cloudy, with a high near 45. North wind around 5 mph.
Thursday Night
Patchy fog. Otherwise, cloudy, with a low around 42. North northeast wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms between 9am and noon, then a slight chance of showers. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 72. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Friday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 58. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 60.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Sunny, with a high near 59.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Showers likely. Mostly cloudy, with a high near 67.
Tuesday Night
Showers. Cloudy, with a low around 45.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton IL
 41.57°N 87.61°W
Last Update:
12:21 am CST Mar 5, 2026
Forecast Valid:
12am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation