National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

21°F

-6°C

Humidity 83%
Wind Speed N 16 G 22 mph
Barometer 30.19 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 7 Dec 12:35 pm CST
Extended Forecast for

Lee IL

  • This Afternoon

    This Afternoon: Patchy blowing snow. Mostly sunny, with a temperature falling to around 11 by 5pm. Wind chill values as low as -3. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 25 °F⇓

    Patchy
    Blowing Snow

  • Tonight

    Tonight: Increasing clouds, with a low around 2. Wind chill values as low as -7. North wind 5 to 10 mph becoming light northeast after midnight.

    Low: 2 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 21. East wind 5 to 10 mph becoming south in the afternoon.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13. Wind chill values as low as 1. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain, mainly before midnight. Low around 31. Breezy. Chance of precipitation is 80%.

    Low: 31 °F

    Breezy. Rain
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain and snow showers before noon. Mostly cloudy, with a high near 34. Breezy. Chance of precipitation is 30%.

    High: 34 °F

    Chance
    Rain/Snow and
    Breezy then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow after noon. Mostly cloudy, with a high near 24.

    High: 24 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
Patchy blowing snow. Mostly sunny, with a temperature falling to around 11 by 5pm. Wind chill values as low as -3. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 2. Wind chill values as low as -7. North wind 5 to 10 mph becoming light northeast after midnight.
Monday
Partly sunny, with a high near 21. East wind 5 to 10 mph becoming south in the afternoon.
Monday Night
Mostly cloudy, with a low around 13. Wind chill values as low as 1. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 36. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Rain, mainly before midnight. Low around 31. Breezy. Chance of precipitation is 80%.
Wednesday
A chance of rain and snow showers before noon. Mostly cloudy, with a high near 34. Breezy. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
A chance of snow after noon. Mostly cloudy, with a high near 24.
Thursday Night
A chance of snow before midnight. Mostly cloudy, with a low around 5.
Friday
Partly sunny, with a high near 14.
Friday Night
Mostly cloudy, with a low around -3.
Saturday
Partly sunny and cold, with a high near 9.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lee IL
 41.79°N 88.94°W
Last Update:
12:00 pm CST Dec 7, 2025
Forecast Valid:
12pm CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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