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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 40.8°N 91.09°W (Text-Only)
NWS Forecast for: Gulf Port IL
Issued by: National Weather Service Quad Cities, IA/IL
Last Update: 6:16 pm CDT Jun 29, 2026		Print

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Partly Cloudy


  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 106. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot


  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 75. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear


  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 101. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny


  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear


  • Thursday

    Thursday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny


  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy


  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy




    • Tonight: Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 106. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Tuesday Night: Mostly clear, with a low around 75. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Wednesday: Sunny, with a high near 94. Heat index values as high as 101. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Wednesday Night: Mostly clear, with a low around 76.

    Thursday: Mostly sunny, with a high near 94.

    Thursday Night: Partly cloudy, with a low around 75.

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.

    Friday Night: Partly cloudy, with a low around 73.

    Independence Day: Mostly sunny, with a high near 92.

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

    Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.

    Sunday Night: A 30 percent chance of showers. Partly cloudy, with a low around 70.

    Monday: Mostly sunny, with a high near 87.


    Gulf Port IL
     40.8°N 91.09°W (Elev. 518 ft)

    Visit your local NWS office at: https://www.weather.gov/dvn