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.

Mostly Cloudy

77°F

25°C

Humidity 89%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 Sep 3:15 am CDT
Extended Forecast for

Harvey IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Patchy fog after 4am. Otherwise, mostly cloudy, with a steady temperature around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms before 7am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. Northeast wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Northeast wind 5 to 10 mph becoming east southeast after midnight.

    Low: 63 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Patchy fog after 4am. Otherwise, mostly cloudy, with a steady temperature around 76. Calm wind.
Saturday
A 10 percent chance of showers and thunderstorms before 7am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 67. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 78. Northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 63. Northeast wind 5 to 10 mph becoming east southeast after midnight.
Labor Day
Sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Partly sunny, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harvey IL
 41.62°N 87.64°W
Last Update:
3:06 am CDT Sep 5, 2026
Forecast Valid:
3am CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
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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