Rock Island Lakes Weather Forecast

    • 29
    • 53

    Decreasing Clouds

    • 34
    • 58

    Mostly Sunny

    • 39
    • 64

    Partly Sunny

    • 39
    • 66

    Breezy

    • 33
    • 59

    Breezy

    • 37
    • 63

    Mostly Sunny

Today 13 Jun Northwest Beaverhead County

Partly sunny. Patchy fog early in the morning. A 20 percent chance of Thunderstorms late in the afternoon. Highs 53 to 63. Northeast Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 13 Jun Northwest Beaverhead County

Partly cloudy. Lows in the lower 30s. Northeast Winds up to 15 Mph. Gusts up to 35 Mph decreasing to 25 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Island Lakes Temperature Statistics

June Temperature

Salmon, Lemhi County Airport (15.5 miles)

  • Lowest 1 June, 2026

    36 °F

  • Average June

    58.8 °F

  • Highest 5 June, 2026

    86 °F

Climate (2021–Present)

Salmon, Lemhi County Airport (15.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    59.2 °F
Get WillyWeather+ to remove ads