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.

Partly Cloudy

49°F

9°C

Humidity 46%
Wind Speed NW 17 G 25 mph
Barometer 29.97 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 18 Apr 5:35 pm CDT
Extended Forecast for

Harvey IL

Freeze Watch April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 36. Breezy, with a west northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 36 °F

    Decreasing
    Clouds and
    Breezy then
    Patchy Frost

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 1pm. Patchy frost before 8am. Otherwise, increasing clouds, with a high near 51. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 51 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Areas of frost after 3am. Otherwise, partly cloudy, with a low around 34. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 53. Northeast wind around 5 mph becoming south southeast in the afternoon.

    High: 53 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 36. Breezy, with a west northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Sunday
A 30 percent chance of showers, mainly after 1pm. Patchy frost before 8am. Otherwise, increasing clouds, with a high near 51. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 34. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 53. Northeast wind around 5 mph becoming south southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 44. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 72.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A chance of showers. Partly cloudy, with a low around 61.
Friday
Showers likely. Mostly cloudy, with a high near 72.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harvey IL
 41.62°N 87.64°W
Last Update:
4:21 pm CDT Apr 18, 2026
Forecast Valid:
5pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation