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.

Fair

0°F

-18°C

Humidity 87%
Wind Speed W 5 mph
Barometer NA
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 4 Dec 4:52 am CST
Extended Forecast for

Port Byron IL

  • Today

    Today: Sunny, with a high near 13. Wind chill values as low as -15. Northwest wind around 5 mph becoming calm.

    High: 13 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a temperature falling to near 0 by 9pm, then rising to around 9 during the remainder of the night. Wind chill values as low as -10. South wind 5 to 10 mph.

    Low: 0 °F⇑

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 31. Wind chill values as low as -5. Southwest wind around 10 mph.

    High: 31 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. Southwest wind 5 to 10 mph becoming west after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 12. New snow accumulation of less than one inch possible.

    Low: 12 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 13. Wind chill values as low as -15. Northwest wind around 5 mph becoming calm.
Tonight
Partly cloudy, with a temperature falling to near 0 by 9pm, then rising to around 9 during the remainder of the night. Wind chill values as low as -10. South wind 5 to 10 mph.
Friday
Increasing clouds, with a high near 31. Wind chill values as low as -5. Southwest wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 20. Southwest wind 5 to 10 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 28.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 12. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Partly sunny, with a high near 24.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 33.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 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:
3:16 am CST Dec 4, 2025
Forecast Valid:
5am CST Dec 4, 2025-6pm CST Dec 10, 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