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.

Mostly Cloudy

90°F

32°C

Humidity 55%
Wind Speed Vrbl 7 mph
Barometer 29.96 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 15 Jul 4:45 pm CDT
Extended Forecast for

Frankfort IL

  • Tonight

    Tonight: A slight chance of showers between 7pm and 4am. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 90. Heat index values as high as 99. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    T-storms
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 78. West wind 10 to 15 mph becoming north northeast in the afternoon.

    High: 78 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61. North northeast wind 5 to 15 mph.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely. Mostly cloudy, with a high near 85.

    High: 85 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 7pm and 4am. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 90. Heat index values as high as 99. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Showers and thunderstorms likely, mainly between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 78. West wind 10 to 15 mph becoming north northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 61. North northeast wind 5 to 15 mph.
Friday
Mostly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Frankfort IL
 41.49°N 87.85°W
Last Update:
4:12 pm CDT Jul 15, 2025
Forecast Valid:
5pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
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