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.

Light Rain

40°F

4°C

Humidity 65%
Wind Speed SE 16 mph
Barometer 30.26 in (1025.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Apr 10:52 pm CDT
Extended Forecast for

Port Byron IL

  • Tonight

    Tonight: A chance of rain and snow showers, mainly before midnight. Mostly cloudy, with a low around 39. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 70 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 48. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Increasing clouds, with a high near 65. West wind around 5 mph.

    High: 65 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 45. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of rain and snow showers, mainly before midnight. Mostly cloudy, with a low around 39. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.
Wednesday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 48. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers after 1pm. Increasing clouds, with a high near 65. West wind around 5 mph.
Thursday Night
Showers. Low around 45. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 59.
Friday Night
Mostly clear, with a low around 40.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Sunday
A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 75.
Sunday Night
Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
Showers likely. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Tuesday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Byron IL
 41.62°N 90.33°W (Elev. 627 ft)
Last Update:
8:56 pm CDT Apr 7, 2026
Forecast Valid:
11pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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