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.

Overcast and Breezy

17°F

-8°C

Humidity 62%
Wind Speed NW 21 G 30 mph
Barometer 30.45 in (1032.0 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 22 Feb 11:52 am CST
Extended Forecast for

Port Byron IL

  • Today

    Today: A chance of flurries after noon. Partly sunny, with a high near 22. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 22 °F

    Chance
    Flurries and
    Blustery

  • Tonight

    Tonight: A chance of flurries before 10pm. Mostly cloudy, with a low around 11. Wind chill values as low as -5. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 27. Wind chill values as low as -5. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °F

    Snow Likely

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 39.

    High: 39 °F

    Chance Snow
    then Mostly
    Sunny

Detailed Forecast

Today
A chance of flurries after noon. Partly sunny, with a high near 22. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
A chance of flurries before 10pm. Mostly cloudy, with a low around 11. Wind chill values as low as -5. Northwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 27. Wind chill values as low as -5. North wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 47.
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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:
9:31 am CST Feb 22, 2026
Forecast Valid:
11am CST Feb 22, 2026-6pm CST Feb 28, 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