Current conditions at

Davenport Municipal Airport (KDVN)

Lat: 41.61°NLon: 90.59°WElev: 741ft.

Mostly Cloudy

42°F

6°C

Humidity 65%
Wind Speed E 13 mph
Barometer 29.46 in (997.7 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 15 Mar 5:52 am CDT
Extended Forecast for

Port Byron IL

High Wind Warning March 15, 04:00pm until March 16, 10:00am
Blizzard Warning March 15, 07:00pm until March 16, 01:00pm
Click here for hazard details and duration
High Wind Warning
Blizzard Warning
  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Cloudy, with a steady temperature around 43. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms before 4pm, then rain likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm.  High near 57. Breezy, with a southeast wind 15 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Rain likely before 8pm, then rain and snow, possibly mixed with sleet between 8pm and 9pm, then snow after 9pm. Some thunder is also possible.  Widespread blowing snow, mainly after 2am. Low around 15. Windy, with a northwest wind around 30 mph, with gusts as high as 50 mph.  Chance of precipitation is 90%. New snow and sleet accumulation of 2 to 4 inches possible.

    Low: 15 °F

    Wintry Mix
    and Blowing
    Snow

  • Monday

    Monday: Snow likely, mainly before 7am.  Patchy blowing snow. Mostly cloudy, with a high near 21. Wind chill values as low as -5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 21 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Monday Night

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

    Low: 4 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow.  Low around 20. Chance of precipitation is 80%.

    Low: 20 °F

    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 43. Southeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
Showers and thunderstorms before 4pm, then rain likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 57. Breezy, with a southeast wind 15 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely before 8pm, then rain and snow, possibly mixed with sleet between 8pm and 9pm, then snow after 9pm. Some thunder is also possible. Widespread blowing snow, mainly after 2am. Low around 15. Windy, with a northwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow and sleet accumulation of 2 to 4 inches possible.
Monday
Snow likely, mainly before 7am. Patchy blowing snow. Mostly cloudy, with a high near 21. Wind chill values as low as -5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Partly cloudy, with a low around 4. Blustery.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Snow. Low around 20. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly cloudy, with a high near 63.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Byron IL
 41.62°N 90.33°W (Elev. 627 ft)
5:22 am CDT Mar 15, 2026
5am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
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Additional Resources

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