Donovan Reservoir Weather Forecast

    • 40
    • 70

    Mostly Cloudy

    • 38
    • 68

    Rain Likely

    • 33
    • 52

    Rain

    • 29
    • 49

    Rain Likely

    • 27
    • 58

    Slight Chance Rain

    • 31
    • 63

    Partly Sunny

    • 34
    • 66

    Partly Sunny

Today 19 Apr Modoc County

Partly cloudy early this afternoon then becoming mostly cloudy. Highs in the mid 60s to lower 70s. South Winds 10 to 20 Mph.

Tonight 19 Apr Modoc County

Mostly cloudy until well after midnight then becoming partly cloudy. Lows in the lower to mid 40s. South Winds 10 to 15 Mph shifting to the southeast 5 to 10 Mph well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Donovan Reservoir Temperature Statistics

April Temperature

Alturas (8.1 miles)

  • Lowest 17 April, 2026

    16 °F

  • Average April

    44.5 °F

  • Highest 5 April, 2026

    73.7 °F

Climate (2021–Present)

Alturas (8.1 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    64.9 °F
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