Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

27°F

-3°C

Humidity 69%
Wind Speed W 3 mph
Barometer 30.00 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 11 Dec 12:45 pm CST
Extended Forecast for

Frankfort IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 28. West southwest wind around 5 mph becoming calm.

    High: 28 °F

    Cloudy

  • Tonight

    Tonight: A 50 percent chance of snow before 3am.  Cloudy, with a low around 23. Calm wind becoming east around 5 mph after midnight.

    Low: 23 °F

    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow showers after 9am.  Mostly cloudy, with a high near 30. East northeast wind 5 to 10 mph becoming west in the afternoon.

    High: 30 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 8. Wind chill values as low as -7. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Slight Chance
    Snow then
    Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow.  Cloudy, with a high near 12. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 12 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 8.

    High: 8 °F

    Cold

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -3.

    Low: -3 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 28. West southwest wind around 5 mph becoming calm.
Tonight
A 50 percent chance of snow before 3am. Cloudy, with a low around 23. Calm wind becoming east around 5 mph after midnight.
Friday
A 20 percent chance of snow showers after 9am. Mostly cloudy, with a high near 30. East northeast wind 5 to 10 mph becoming west in the afternoon.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Wind chill values as low as -7. West wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of snow. Cloudy, with a high near 12. West northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around -4.
Sunday
Sunny and cold, with a high near 8.
Sunday Night
Partly cloudy, with a low around -3.
Monday
Partly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Frankfort IL
 41.49°N 87.85°W
12:56 pm CST Dec 11, 2025
1pm CST Dec 11, 2025-6pm CST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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