Ellison Creek Reservoir Weather Forecast

    • 36
    • 67

    Becoming Sunny

    • 46
    • 58

    Mostly Sunny

    • 50
    • 71

    Partly Sunny

    • 50
    • 62

    Mostly Cloudy

    • 61
    • 68

    Mostly Cloudy

    • 59
    • 73

    Mostly Cloudy

Today 18 Dec Morris

Mostly cloudy Early, then clearing. A slight chance of Showers early. Windy with Highs in the upper 60s. West Winds 10 to 15 Mph, becoming northwest 15 to 20 Mph. Chance of rain 20 percent.

Tonight 18 Dec Morris

Mostly clear. Much cooler with Lows in the mid 30s. Northwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Ellison Creek Reservoir Temperature Statistics

December Temperature

Mount Pleasant, Mount Pleasant Regional Airport (17.4 miles)

  • Lowest 15 December, 2025

    22.1 °F

  • Average December

    43 °F

  • Highest 12 December, 2025

    67.3 °F

Climate (2020–Present)

Mount Pleasant, Mount Pleasant Regional Airport (17.4 miles)

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

  • Average Low 2020–2025

    54.2 °F

  • Average 2020–2025

    64.8 °F

  • Average High 2020–2025

    76.1 °F
Get WillyWeather+ to remove ads