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

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

72°F

22°C

Humidity 73%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Sep 9:56 am CDT
Extended Forecast for

4 Miles SSW Frankfort IL

  • Today

    Today: Sunny, with a high near 80. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. West wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 77. Southwest wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 47. Northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 66. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 66 °F

    Sunny

  • Thursday Night

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

    Low: 51 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. West wind around 5 mph becoming calm in the evening.
Wednesday
Showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 77. Southwest wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 47. Northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Thursday
Sunny, with a high near 66. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Frankfort IL
 41.45°N 87.88°W
Last Update:
10:26 am CDT Sep 2, 2025
Forecast Valid:
10am CDT Sep 2, 2025-6pm CDT Sep 8, 2025
 
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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