Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Davenport Municipal Airport (KDVN)

Lat: 41.61°NLon: 90.59°WElev: 741ft.

Fair

32°F

0°C

Humidity 79%
Wind Speed NW 18 G 30 mph
Barometer 29.73 in (1006.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 14 Jan 4:52 am CST
Extended Forecast for

Port Byron IL

  • Overnight

    Overnight: Scattered flurries.  Mostly cloudy, with a steady temperature around 32. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Scattered
    Flurries and
    Breezy

  • Wednesday

    Wednesday: A chance of flurries before 7am.  Cloudy through mid morning, then gradual clearing, with a temperature falling to around 23 by 9am. Blustery, with a north wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 28 °F

    Chance
    Flurries and
    Blustery

  • Wednesday Night

    Wednesday Night: Clear, with a low around 14. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 29. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 29 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 25. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Snow Likely
    then Chance
    Snow

  • Friday

    Friday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 15.

    High: 15 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Scattered flurries. Mostly cloudy, with a steady temperature around 32. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Wednesday
A chance of flurries before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 23 by 9am. Blustery, with a north wind 15 to 25 mph, with gusts as high as 40 mph.
Wednesday Night
Clear, with a low around 14. North wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Increasing clouds, with a high near 29. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Mostly cloudy, with a high near 36.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11.
Saturday
Mostly cloudy, with a high near 15.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 18.
Sunday Night
Mostly cloudy, with a low around 8.
M.L.King Day
Partly sunny, with a high near 18.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Byron IL
 41.62°N 90.33°W (Elev. 627 ft)
5:16 am CST Jan 14, 2026
5am CST Jan 14, 2026-6pm CST Jan 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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