Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Davenport Municipal Airport (KDVN)

Lat: 41.61°NLon: 90.59°WElev: 741ft.

Light Rain

73°F

23°C

Humidity 96%
Wind Speed S 8 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Last update 26 Jul 7:52 am CDT
Extended Forecast for

Port Byron IL

Flood Watch July 26, 08:26am until July 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 26, 08:26am until July 26, 07:00pm

    NOW until 7:00pm Sat

    Flood Watch

  • Today

    High: 82 °F

    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming south around 5 mph in the morning.

    High: 90 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and noon, then a chance of showers and thunderstorms after noon. High near 82. South wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming south around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 76. South wind around 5 mph.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Byron IL
 41.62°N 90.33°W (Elev. 627 ft)
6:47 am CDT Jul 26, 2025
8am CDT Jul 26, 2025-6pm CDT Aug 1, 2025
 
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Additional Resources

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Hourly Weather Forecast

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