Ritter Island State Park Weather Forecast

    • 30
    • 48

    Rain Showers Likely

    • 33
    • 47

    Snow Likely

    • 35
    • 51

    Snow Likely

    • 39
    • 60

    Rain Likely

    • 32
    • 53

    Rain Likely

    • 28
    • 48

    Chance Snow

    • 34
    • 53

    Partly Sunny

Today 13 Mar Western Magic Valley

Widespread rain and snow Showers, mainly this morning. Chance of precipitation 80 percent. Little or no snow accumulation. Cooler with Highs 44 to 49. Breezy. West Winds 10 to 20 Mph with Gusts to 30 Mph.

Tonight 13 Mar Western Magic Valley

Decreasing Clouds. Colder with Lows 27 to 32. Breezy. West Winds 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ritter Island State Park Temperature Statistics

March Temperature

Jerome County Airport (19.3 miles)

  • Lowest 1 March, 2025

    29.8 °F

  • Average March

    41.6 °F

  • Highest 9 March, 2025

    59 °F

Climate (2020–Present)

Jerome County Airport (19.3 miles)

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  • Average Low 2020–2025

    39.8 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    61.9 °F
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