Mill Creek Weather Forecast

    • 18
    • 51

    Becoming Sunny

    • 22
    • 49

    Sunny

    • 29
    • 60

    Mostly Sunny

    • 33
    • 62

    Chance Rain/Snow

    • 31
    • 57

    Chance Rain

    • 30
    • 55

    Chance Rain/Snow

Today 15 Apr Western Plumas County/Lassen Park

Mostly cloudy. Widespread frost early in the morning. Areas of frost late in the morning. A slight chance of rain in the late morning and afternoon. Highs 38 to 53 higher Elevations. 44 to 59 lower Elevations. Snow level 6500 feet. Prevailing southwest Winds up to 15 Mph with Gusts to around 30 Mph.

Tonight 15 Apr Western Plumas County/Lassen Park

Mostly cloudy. At lower Elevations, a chance of rain in the Evening, then a chance of rain and snow after midnight. At higher Elevations, a chance of rain and snow. Widespread frost after midnight. Colder. Lows 19 to 34. Little or no snow accumulation lower Elevations. Up to 1 inch higher Elevations. Snow level 4500 feet after midnight. Prevailing southwest Winds 5 to 15 Mph shifting to the northwest after midnight. Gusts up to 30 Mph.

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Mill Creek Temperature Statistics

April Temperature

Red Bluff, Red Bluff Municipal Airport (39.8 miles)

  • Lowest 4 April, 2026

    40.6 °F

  • Average April

    60.3 °F

  • Highest 6 April, 2026

    84.7 °F

Climate (2021–Present)

Red Bluff, Red Bluff Municipal Airport (39.8 miles)

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  • Average Low 2021–2026

    52.9 °F

  • Average 2021–2026

    65.1 °F

  • Average High 2021–2026

    77.9 °F
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