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.

Fog/Mist

46°F

8°C

Humidity 93%
Wind Speed N 8 mph
Barometer 30.19 in (1022.2 mb)
Dewpoint 44°F (7°C)
Visibility 3.00 mi
Wind Chill42°F (6°C)
Last update 10 Apr 6:52 am CDT
Extended Forecast for

Port Byron IL

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 56. North wind around 10 mph, with gusts as high as 20 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 38. North wind 5 to 10 mph becoming east after midnight.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Increasing clouds, with a high near 60. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 60 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 54. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 73. Breezy. Chance of precipitation is 80%.

    High: 73 °F

    Chance
    Showers then
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 61. Breezy.

    Low: 61 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers. Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 56. North wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 38. North wind 5 to 10 mph becoming east after midnight.
Saturday
A 40 percent chance of showers after 1pm. Increasing clouds, with a high near 60. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 54. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 73. Breezy. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 61. Breezy.
Monday
Partly sunny, with a high near 79.
Monday Night
A 50 percent chance of showers. Partly cloudy, with a low around 66.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 77.
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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:
5:27 am CDT Apr 10, 2026
Forecast Valid:
7am CDT Apr 10, 2026-6pm CDT Apr 16, 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