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.

Thunderstorm in Vicinity Light Rain

62°F

17°C

Humidity 86%
Wind Speed S 20 G 31 mph
Barometer 29.72 in (1005.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 12:52 am CST
Extended Forecast for

Port Byron IL

Tornado Watch until March 7, 04:00am
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch until March 7, 04:00am

    NOW until 4:00am Sat

    Tornado Watch

  • Overnight

    Low: 52 °F

    Severe
    Thunderstorms

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 8am. Mostly cloudy, with a temperature falling to around 45 by 5pm. West wind around 15 mph, with gusts as high as 25 mph.

    High: 60 °F⇓

    Chance Rain
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 33. West wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 63. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Rain likely after noon. Partly sunny, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Mostly Sunny
    then Rain
    Likely

Detailed Forecast

Overnight
Rain likely and possibly a thunderstorm before 4am, then a chance of rain and thunderstorms after 4am. Some of the storms could be severe. Mostly cloudy, with a low around 52. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday
A 40 percent chance of rain, mainly before 8am. Mostly cloudy, with a temperature falling to around 45 by 5pm. West wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 33. West wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 63. Southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 70.
Monday Night
Clear, with a low around 45.
Tuesday
Rain likely after noon. Partly sunny, with a high near 69. Chance of precipitation is 70%.
Tuesday Night
Rain. Low around 37. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of rain before noon. Cloudy, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 57.
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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:
12:26 am CST Mar 7, 2026
Forecast Valid:
1am CST Mar 7, 2026-6pm CDT Mar 13, 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