Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Partly Cloudy

72°F

22°C

Humidity 100%
Wind Speed S 10 mph
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 30 Aug 9:55 am CDT
Extended Forecast for

Fairmont IL

  • Today

    Today: Scattered showers and thunderstorms, mainly after 4pm.  Mostly cloudy, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%.

    High: 81 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms before 7pm, then isolated showers and thunderstorms after 4am.  Mostly cloudy, with a low around 70. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    Showers then
    Isolated
    T-storms

  • Monday

    Monday: Isolated showers and thunderstorms before 1pm.  Mostly sunny, with a high near 90. Heat index values as high as 96. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. South southwest wind 5 to 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms before 7pm, then isolated showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Monday
Isolated showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Heat index values as high as 96. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 72. South southwest wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91.
Thursday Night
Mostly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 70.
Saturday
A chance of showers. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairmont IL
 41.57°N 88.08°W
10:41 am CDT Aug 30, 2026
10am CDT Aug 30, 2026-6pm CDT Sep 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

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