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.

Fair

80°F

27°C

Humidity 45%
Wind Speed Vrbl 6 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 22 Apr 1:52 pm CDT
Extended Forecast for

Port Byron IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. Southwest wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 79 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 60. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 71. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 58. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 60. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 71. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 71.
Sunday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47. Breezy.
Tuesday
Partly sunny, with a high near 62.
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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:
1:27 pm CDT Apr 22, 2026
Forecast Valid:
2pm CDT Apr 22, 2026-6pm CDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation