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 and Breezy

8°F

-13°C

Humidity 57%
Wind Speed W 21 mph
Barometer 30.34 in (1028.7 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 19 Jan 2:52 pm CST
Extended Forecast for

Port Byron IL

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 8. Wind chill values as low as -10. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 8 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 3. Wind chill values as low as -5. West wind 5 to 10 mph.

    Low: 3 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Increasing clouds, with a high near 26. Wind chill values as low as -5. Calm wind becoming south around 5 mph in the morning.

    High: 26 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 19. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -7.

    Low: -7 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 0.

    High: 0 °F

    Cold

Detailed Forecast

M.L.King Day
Mostly sunny and cold, with a high near 8. Wind chill values as low as -10. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 3. Wind chill values as low as -5. West wind 5 to 10 mph.
Tuesday
Increasing clouds, with a high near 26. Wind chill values as low as -5. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 19. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Mostly cloudy, with a low around -7.
Friday
Partly sunny and cold, with a high near 0.
Friday Night
Mostly cloudy, with a low around -11.
Saturday
Partly sunny and cold, with a high near 4.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
Mostly sunny, with a high near 13.
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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:
3:16 pm CST Jan 19, 2026
Forecast Valid:
3pm CST Jan 19, 2026-6pm CST Jan 25, 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