Lost River Weather Forecast

    • 18
    • 29

    Gradual Clearing

    • 29
    • 40

    Mostly Sunny

    • 31
    • 51

    Mostly Cloudy

    • 29
    • 52

    Rain

    • 23
    • 38

    Partly Sunny

    • 37
    • 46

    Chance Rain

Today 15 Dec Hardy

Mostly cloudy. Highs in the upper 20s. Southwest Winds around 5 Mph.

Tonight 15 Dec Hardy

Partly cloudy in the Evening, then clearing. Lows around 17. Southwest Winds around 5 Mph.

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Lost River Temperature Statistics

December Temperature

Petersburg, Grant County Airport (17.4 miles)

  • Lowest 13 December, 2025

    19.6 °F

  • Average December

    31.7 °F

  • Highest 10 December, 2025

    53.4 °F

Climate (2020–Present)

Petersburg, Grant County Airport (17.4 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    67.4 °F
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