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

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Overcast

42°F

6°C

Humidity 56%
Wind Speed SW 12 G 17 mph
Barometer 30.32 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 29 Mar 1:15 am CDT
Extended Forecast for

Harvey IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 62. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy. Chance of precipitation is 80%.

    High: 77 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. South wind around 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 51. South southwest wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 62. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 38. Chance of precipitation is 80%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 43.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 35.
Thursday
Showers likely. Mostly cloudy, with a high near 49.
Thursday Night
Showers likely. Cloudy, with a low around 40.
Friday
A chance of showers. Mostly cloudy, with a high near 60.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46.
Saturday
Showers likely. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harvey IL
 41.62°N 87.64°W
Last Update:
1:21 am CDT Mar 29, 2026
Forecast Valid:
1am CDT Mar 29, 2026-6pm CDT Apr 4, 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