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.

Mostly Cloudy

29°F

-2°C

Humidity 47%
Wind Speed NW 7 mph
Barometer 29.79 in (1009.4 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 25 Feb 5:52 pm CST
Extended Forecast for

Port Byron IL

  • Tonight

    Tonight: A chance of snow between 8pm and midnight. Mostly cloudy, with a low around 22. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Southwest wind 5 to 10 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow after noon. The snow could be heavy at times. Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy
    then Heavy
    Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
A chance of snow between 8pm and midnight. Mostly cloudy, with a low around 22. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 48. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 30. Southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 64. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 38.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
A 40 percent chance of snow after noon. The snow could be heavy at times. Mostly cloudy, with a high near 32.
Sunday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 36.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 38. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Byron IL
 41.62°N 90.33°W (Elev. 627 ft)
Last Update:
4:26 pm CST Feb 25, 2026
Forecast Valid:
6pm CST Feb 25, 2026-6pm CST Mar 4, 2026
 
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