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

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

39°F

4°C

Humidity 70%
Wind Speed SW 6 mph
Barometer 30.10 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 19 Apr 12:30 am CDT
Extended Forecast for

Crystal Lawns IL

Freeze Watch April 20, 12:00am until April 20, 09:00am
Frost Advisory until April 19, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory
  •  
    Frost Advisory until April 19, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Overnight

    Low: 34 °F

    Patchy Frost

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Areas of frost before 8am. Otherwise, increasing clouds, with a high near 52. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 52 °F

    Areas Frost
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming south southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 54 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

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

    Low: 51 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy frost after 2am. Otherwise, clear, with a low around 34. West southwest wind around 5 mph.
Sunday
A 30 percent chance of showers after 1pm. Areas of frost before 8am. Otherwise, increasing clouds, with a high near 52. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming south southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Monday Night
Partly cloudy, with a low around 44. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 73.
Tuesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 82.
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 45.
Saturday
Partly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lawns IL
 41.57°N 88.14°W
Last Update:
9:30 pm CDT Apr 18, 2026
Forecast Valid:
12am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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