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

63°F

17°C

Humidity 68%
Wind Speed S 12 mph
Barometer 30.14 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 Oct 8:45 am CDT
Extended Forecast for

Fairmont IL

  • Today

    Today: Partly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79. Calm wind becoming east around 5 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 60. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 79. Calm wind becoming east around 5 mph.
Sunday Night
Increasing clouds, with a low around 60. South wind around 5 mph, with gusts as high as 10 mph.
Columbus Day
Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A chance of showers after 1am. Partly cloudy, with a low around 55.
Wednesday
A chance of showers. Mostly sunny, with a high near 69.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 53.
Thursday
Showers likely. Mostly cloudy, with a high near 70.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50.
Friday
A chance of showers. Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairmont IL
 41.57°N 88.05°W
Last Update:
5:16 am CDT Oct 10, 2026
Forecast Valid:
9am CDT Oct 10, 2026-6pm CDT Oct 16, 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