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.

A Few Clouds and Breezy

59°F

15°C

Humidity 48%
Wind Speed SE 21 G 30 mph
Barometer 29.60 in (1002.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Feb 3:52 pm CST
Extended Forecast for

Port Byron IL

Fire Weather Watch February 18, 10:00am until February 18, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • This Afternoon

    This Afternoon: A slight chance of sprinkles. Mostly cloudy, with a high near 61. Breezy, with a southeast wind around 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Slight Chance
    Sprinkles and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between midnight and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Breezy, with a southeast wind 15 to 20 mph becoming southwest after midnight. Winds could gust as high as 35 mph.

    Low: 49 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 64. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 64 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 39. Southwest wind 5 to 10 mph becoming east after midnight.

    Low: 39 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 50 percent chance of showers after noon. Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain likely before 3am, then snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of sprinkles. Mostly cloudy, with a high near 61. Breezy, with a southeast wind around 20 mph, with gusts as high as 30 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between midnight and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Breezy, with a southeast wind 15 to 20 mph becoming southwest after midnight. Winds could gust as high as 35 mph.
Wednesday
Sunny, with a high near 64. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Increasing clouds, with a low around 39. Southwest wind 5 to 10 mph becoming east after midnight.
Thursday
A 50 percent chance of showers after noon. Partly sunny, with a high near 61.
Thursday Night
Rain likely before 3am, then snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Partly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly clear, with a low around 15.
Monday
Sunny, with a high near 33.
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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:
3:17 pm CST Feb 17, 2026
Forecast Valid:
4pm CST Feb 17, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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