Major River Flooding in Western Washington; Very Cold Temperatures in the Northern Plains

Major river flooding following heavy rainfall will continue to bring a significant risk to life and property in Washington. Arctic air will bring near record cold temperatures and dangerous wind chills from the Northern High Plains into the Mid-South and Mid-Atlantic through the weekend. A narrow band of snow is likely from the Mid-West, Upper Ohio Valley into the Central Appalachians. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

27°F

-3°C

Humidity 87%
Wind Speed W 7 mph
Barometer 30.12 in
Dewpoint 24°F (-4°C)
Visibility 7.00 mi
Wind Chill19°F (-7°C)
Last update 12 Dec 7:15 pm CST
Extended Forecast for

3 Miles ESE Leonore IL

Cold Weather Advisory December 13, 08:00pm until December 14, 12:00pm
Winter Weather Advisory December 13, 08:00am until December 13, 08:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Weather Advisory
  • Tonight

    Tonight: Patchy freezing rain before 11pm, then a slight chance of snow between 11pm and midnight.  Cloudy, with a low around 9. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    Low: 9 °F

    Patchy Wintry
    Mix then
    Cloudy

  • Saturday

    Saturday: Snow, mainly after 9am.  High near 12. Wind chill values as low as -5. Northwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 12 °F

    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -5. Wind chill values as low as -22. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: -5 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 7. Wind chill values as low as -22. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 7 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -4. West wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: -4 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy freezing rain before 11pm, then a slight chance of snow between 11pm and midnight. Cloudy, with a low around 9. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday
Snow, mainly after 9am. High near 12. Wind chill values as low as -5. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Partly cloudy, with a low around -5. Wind chill values as low as -22. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny and cold, with a high near 7. Wind chill values as low as -22. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around -4. West wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 40.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Leonore IL
 41.18°N 88.92°W
5:41 pm CST Dec 12, 2025
7pm CST Dec 12, 2025-6pm CST Dec 19, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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