Erickson Reservoir Weather Forecast

    • 61
    • 87

    Rain Showers

    • 52
    • 82

    Rain Showers Likely

    • 47
    • 72

    Breezy

    • 49
    • 77

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

    • 47
    • 77

    Partly Sunny

Today 6 Sep Richland

Mostly sunny with a 20 percent chance of Thunderstorms. Highs in the upper 80s. Northeast wind 5 to 10 Mph, becoming east 10 to 15 Mph in the afternoon.

Tonight 6 Sep Richland

A chance of Thunderstorms. Showers after midnight. Lows in the lower 60s. East wind 10 to 15 Mph. Chance of rain 80 percent.

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Erickson Reservoir Temperature Statistics

September Temperature

Sidney-Richland (14.3 miles)

  • Lowest 1 September, 2026

    46 °F

  • Average September

    70.8 °F

  • Highest 2 September, 2026

    89.1 °F

Climate (2021–2026)

Sidney-Richland (14.3 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    56 °F
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