Severe Thunderstorms in the Ohio and Tennessee Valleys; Flash Flooding Possible in the Southwest

Scattered damaging winds, isolated severe hail, and a brief tornado or two are possible from the Upper Ohio to Tennessee Valleys during the late afternoon and evening. Across the Southwest, monsoonal moisture will continue to bring heavy rain and a threat for isolated to scattered flash flooding through Saturday. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

54°F

12°C

Humidity 82%
Wind Speed W 8 G 15 mph
Barometer 30.06 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 6 Sep 8:45 am CDT
Extended Forecast for

4 Miles E Oswego IL

  • Today

    Today: Mostly sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. West northwest wind around 5 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 69. Northwest wind 5 to 10 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Light south wind increasing to 5 to 10 mph in the morning.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 41. West northwest wind around 5 mph.
Sunday
Sunny, with a high near 69. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 74. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Oswego IL
 41.71°N 88.27°W
8:26 am CDT Sep 6, 2025
9am CDT Sep 6, 2025-6pm CDT Sep 12, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database