Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Hazardous Weather Conditions

Current conditions at

Davenport Municipal Airport (KDVN)

Lat: 41.61°NLon: 90.59°WElev: 741ft.

Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed SE 7 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 44°F (7°C)
Visibility 1.25 mi
Wind Chill41°F (5°C)
Last update 20 Nov 7:52 am CST
Extended Forecast for

Port Byron IL

  • Today

    Today: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 50. South wind around 5 mph.

    High: 50 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Calm wind becoming north around 5 mph after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after noon.  Mostly cloudy, with a high near 52. North wind 5 to 10 mph.

    High: 52 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 30. North wind around 5 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after noon.  Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 50. South wind around 5 mph.
Tonight
Mostly cloudy, with a low around 40. Calm wind becoming north around 5 mph after midnight.
Friday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 52. North wind 5 to 10 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 30. North wind around 5 mph.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 36.
Monday
A 30 percent chance of rain after noon. Partly sunny, with a high near 54.
Monday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Byron IL
 41.62°N 90.33°W (Elev. 627 ft)
7:11 am CST Nov 20, 2025
8am CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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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