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Tropical Storm Edouard Along the Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard off the central Gulf Coast will bring tropical storm conditions and heavy rainfall to portions of Upper Texas and southwestern Louisiana coasts Tuesday into Wednesday. Storm Surge Watches and Tropical Storm Warnings are in effect. Hot and humid conditions will continue to expand from the Central Plains into the Ohio Valley and Mid-Atlantic this week. Read More >

Hazardous Weather Conditions

Current conditions at

Davenport Municipal Airport (KDVN)

Lat: 41.61°NLon: 90.59°WElev: 741ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed S 3 mph
Barometer 29.91 in (1011.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 31 Aug 7:52 pm CDT
Extended Forecast for

Port Byron IL

Heat Advisory August 31, 08:32pm until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 31, 08:32pm until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind 5 to 10 mph.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

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

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 73. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 85.
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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:
8:21 pm CDT Aug 31, 2026
Forecast Valid:
8pm CDT Aug 31, 2026-6pm CDT Sep 7, 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