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

Hazardous Weather Conditions

Current conditions at

Davenport Municipal Airport (KDVN)

Lat: 41.61°NLon: 90.59°WElev: 741ft.

Fog

47°F

8°C

Humidity 97%
Wind Speed Calm
Barometer NA
Dewpoint 46°F (8°C)
Visibility 0.25 mi
Last update 25 Nov 5:52 am CST
Extended Forecast for

Port Byron IL

Wind Advisory November 26, 12:00am until November 26, 03:00pm
Dense Fog Advisory November 25, 06:08am until November 25, 10:00am
Click here for hazard details and duration
Wind Advisory
...
  •  
    Dense Fog Advisory November 25, 06:08am until November 25, 10:00am

    NOW until 10:00am Tue

    Dense Fog Advisory

  • Today

    High: 53 °F

    Chance Rain
    and Areas Fog

  • Tonight

    Tonight: Rain likely before midnight, then a slight chance of snow after 3am. Increasing clouds, with a low around 31. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Breezy. Rain
    Likely then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 37. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 37 °F

    Decreasing
    Clouds and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after midnight. Cloudy, with a low around 24. Chance of precipitation is 70%.

    Low: 24 °F

    Chance Snow
    then Snow
    Likely

Detailed Forecast

Today
A slight chance of rain before 7am, then a chance of rain after 5pm. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 53. Light south wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Rain likely before midnight, then a slight chance of snow after 3am. Increasing clouds, with a low around 31. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 37. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.
Wednesday Night
Partly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 30 mph.
Thanksgiving Day
Sunny, with a high near 34.
Thursday Night
Mostly clear, with a low around 18.
Friday
Mostly sunny, with a high near 32.
Friday Night
Snow likely, mainly after midnight. Cloudy, with a low around 24. Chance of precipitation is 70%.
Saturday
Snow likely. Cloudy, with a high near 33. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22.
Sunday
A chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Byron IL
 41.62°N 90.33°W (Elev. 627 ft)
Last Update:
5:11 am CST Nov 25, 2025
Forecast Valid:
6am CST Nov 25, 2025-6pm CST Dec 1, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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