7-Day Forecast 38.5°N 90.63°W (Text-Only)
NWS Forecast for: Eureka MO
Issued by: National Weather Service Saint Louis, MO
Last Update: 1:25 pm CDT May 15, 2026
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  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 83. South wind around 9 mph.

    High: 83 °F

    Partly Sunny



  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Cloudy, then gradually becoming partly cloudy, with a low around 66. South wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 66 °F

    Chance
    T-storms


  • Saturday

    Saturday: Showers and thunderstorms likely, mainly between 7am and 11am.  Mostly cloudy, with a high near 83. Northwest wind 6 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    High: 83 °F

    T-storms
    Likely


  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 63. Southeast wind 3 to 6 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South wind 5 to 11 mph, with gusts as high as 23 mph.

    High: 91 °F

    Sunny



  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear



  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms


  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm.  Partly sunny, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely then
    T-storms
    Likely



  • This Afternoon: Partly sunny, with a high near 83. South wind around 9 mph.

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 66. South wind 5 to 7 mph, with gusts as high as 21 mph.

    Saturday: Showers and thunderstorms likely, mainly between 7am and 11am. Mostly cloudy, with a high near 83. Northwest wind 6 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Saturday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 63. Southeast wind 3 to 6 mph.

    Sunday: Sunny, with a high near 91. South wind 5 to 11 mph, with gusts as high as 23 mph.

    Sunday Night: Mostly clear, with a low around 68.

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91.

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 71.

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 53.

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.



    Eureka MO
     38.5°N 90.63°W (Elev. 492 ft)

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