Mapes Reservoir Weather Forecast

    • 23
    • 48

    Sunny

    • 29
    • 51

    Increasing Clouds

    • 32
    • 38

    Rain/Snow

    • 34
    • 39

    Rain/Snow

    • 35
    • 44

    Rain Likely

    • 30
    • 40

    Snow Likely

    • 25
    • 39

    Snow Likely

Today 29 Jan Modoc County

Sunny. Highs in the mid 40s to lower 50s. East Winds around 5 Mph shifting to the northwest this afternoon.

Tonight 29 Jan Modoc County

Clear. Lows in the lower 20s to lower 30s. Northwest Winds around 5 Mph shifting to the east late this evening and overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mapes Reservoir Temperature Statistics

January Temperature

Alturas (13 miles)

  • Lowest 21 January, 2025

    7.8 °F

  • Average January

    33.1 °F

  • Highest 23 January, 2025

    56.6 °F

Climate (2020–Present)

Alturas (13 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    64.3 °F
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