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

36°F

2°C

Humidity 82%
Wind Speed S 9 mph
Barometer NA
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 9 Dec 1:52 pm CST
Extended Forecast for

Port Byron IL

Wind Advisory December 10, 12:00am until December 10, 09:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 37. South wind around 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Chance Rain

  • Tonight

    Tonight: Rain before 3am, then a chance of showers after 5am. Low around 27. Windy, with a south wind 15 to 20 mph becoming west 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%.

    Low: 27 °F

    Rain and
    Breezy then
    Chance
    Showers and
    Windy

  • Wednesday

    Wednesday: Snow showers likely, mainly before 9am. Mostly cloudy, with a temperature falling to around 25 by 5pm. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 30 °F⇓

    Snow Showers
    Likely and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 16. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 26.

    High: 26 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy and cold, with a high near 9.

    High: 9 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 37. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Rain before 3am, then a chance of showers after 5am. Low around 27. Windy, with a south wind 15 to 20 mph becoming west 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%.
Wednesday
Snow showers likely, mainly before 9am. Mostly cloudy, with a temperature falling to around 25 by 5pm. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 16. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 25.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 26.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
A 40 percent chance of snow. Mostly cloudy and cold, with a high near 9.
Saturday Night
Partly cloudy, with a low around -8.
Sunday
Sunny and cold, with a high near 8.
Sunday Night
Mostly cloudy, with a low around -3.
Monday
Partly sunny, with a high near 24.
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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:
1:56 pm CST Dec 9, 2025
Forecast Valid:
2pm CST Dec 9, 2025-6pm CST Dec 15, 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