7-Day Forecast 38.55°N 89.98°W (Text-Only)
NWS Forecast for: Swansea IL
Issued by: National Weather Service Saint Louis, MO
Last Update: 5:06 am CDT Jun 22, 2024
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  • Today

    Today: Mostly sunny, with a high near 94. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 94 °F

    Mostly Sunny



  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am.  Increasing clouds, with a low around 73. South wind 8 to 11 mph.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Northwest wind around 9 mph.

    High: 91 °F

    Becoming
    Sunny


  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 71. North wind around 6 mph becoming calm  in the evening.

    Low: 71 °F

    Mostly Clear



  • Monday

    Monday: Sunny and hot, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Hot



  • Monday
    Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear



  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 99.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms




  • Today: Mostly sunny, with a high near 94. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 73. South wind 8 to 11 mph.

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Northwest wind around 9 mph.

    Sunday Night: Mostly clear, with a low around 71. North wind around 6 mph becoming calm in the evening.

    Monday: Sunny and hot, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    Monday Night: Mostly clear, with a low around 77.

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99.

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    Wednesday Night: Mostly clear, with a low around 70.

    Thursday: Sunny, with a high near 91.

    Thursday Night: Partly cloudy, with a low around 69.

    Friday: Mostly sunny, with a high near 93.



    Swansea IL
     38.55°N 89.98°W (Elev. 551 ft)

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