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 Snow

13°F

-11°C

Humidity 77%
Wind Speed W 17 mph
Barometer 30.07 in (1019.5 mb)
Dewpoint 7°F (-14°C)
Visibility 1.75 mi
Wind Chill-4°F (-20°C)
Last update 17 Jan 2:52 pm CST
Extended Forecast for

Port Byron IL

Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Snow, mainly before 5pm. High near 17. Wind chill values as low as zero. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 17 °F

    Snow

  • Tonight

    Tonight: A slight chance of snow before 7pm, then a chance of flurries between 7pm and 8pm. Mostly cloudy, with a low around 7. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 7 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of flurries between 8am and 11am, then a chance of snow after 11am. Mostly cloudy, with a high near 22. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 22 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 7pm. Mostly cloudy, with a low around -1. Wind chill values as low as -20. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: -1 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 10. Blustery.

    High: 10 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Snow, mainly before 5pm. High near 17. Wind chill values as low as zero. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A slight chance of snow before 7pm, then a chance of flurries between 7pm and 8pm. Mostly cloudy, with a low around 7. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
A chance of flurries between 8am and 11am, then a chance of snow after 11am. Mostly cloudy, with a high near 22. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
A 20 percent chance of snow before 7pm. Mostly cloudy, with a low around -1. Wind chill values as low as -20. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.
M.L.King Day
Mostly sunny and cold, with a high near 10. Blustery.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
Mostly sunny, with a high near 25.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 27.
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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:
3:16 pm CST Jan 17, 2026
Forecast Valid:
3pm CST Jan 17, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation