Imperial Weather Forecast

    • 68
    • 86

    Increasing Clouds

    • 68
    • 91

    Slight Chance Thunderstorms

    • 65
    • 87

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 68
    • 89

    Partly Sunny

    • 72
    • 94

    Mostly Sunny

Today 25 Aug Jefferson

Mostly sunny. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 25 Aug Jefferson

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 60s. East Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Imperial Temperature Statistics

August Temperature

St. Louis Downtown Airport (18 miles)

  • Lowest 3 August, 2026

    63.6 °F

  • Average August

    79.5 °F

  • Highest 11 August, 2026

    96.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.3 °F
Get WillyWeather+ to remove ads