Current conditions at

Davenport Municipal Airport (KDVN)

Lat: 41.61°NLon: 90.59°WElev: 741ft.

Fog/Mist

22°F

-6°C

Humidity 89%
Wind Speed SW 8 mph
Barometer NA
Dewpoint 19°F (-7°C)
Visibility 2.50 mi
Wind Chill13°F (-11°C)
Last update 2 Dec 11:52 am CST
Extended Forecast for

Port Byron IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 25. Southwest wind around 10 mph.

    High: 25 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 27 by 4am. South wind around 10 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow.  Mostly cloudy, with a temperature rising to near 31 by 10am, then falling to around 22 during the remainder of the day. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.  New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -4. Wind chill values as low as -15. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: -4 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 11.

    High: 11 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 25. Southwest wind around 10 mph.
Tonight
Mostly cloudy, with a temperature rising to around 27 by 4am. South wind around 10 mph, with gusts as high as 25 mph.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a temperature rising to near 31 by 10am, then falling to around 22 during the remainder of the day. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around -4. Wind chill values as low as -15. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 11.
Thursday Night
Partly cloudy, with a low around -2.
Friday
Partly sunny, with a high near 26.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Partly sunny, with a high near 27.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
Mostly cloudy, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Byron IL
 41.62°N 90.33°W (Elev. 627 ft)
10:16 am CST Dec 2, 2025
12pm CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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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