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.

A Few Clouds

82°F

28°C

Humidity 77%
Wind Speed SE 6 mph
Barometer 30.06 in (1017.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 16 Aug 10:52 am CDT
Extended Forecast for

2 Miles WNW Port Byron IL

Heat Advisory August 16, 12:00pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers and thunderstorms before noon. Mostly sunny, with a high near 94. Heat index values as high as 105. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 94 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Heat index values as high as 101. Northeast wind around 5 mph becoming south in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers and thunderstorms before noon. Mostly sunny, with a high near 94. Heat index values as high as 105. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 73. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 91. Heat index values as high as 101. Northeast wind around 5 mph becoming south in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 94.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Port Byron IL
 41.64°N 90.35°W (Elev. 696 ft)
Last Update:
10:30 am CDT Aug 16, 2025
Forecast Valid:
11am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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