Crystal Lake Weather Forecast

    • 47
    • 65

    Decreasing Clouds

    • 51
    • 70

    Partly Sunny

    • 27
    • 63

    Blizzard

    • 21
    • 31

    Blizzard

    • 19
    • 29

    Snow Likely

    • 19
    • 32

    Chance Snow

    • 23
    • 37

    Slight Chance Snow

Today 20 Apr Snowy and Judith Mountains

Sunny. Highs 64 to 70. West Winds 5 to 10 Mph with Gusts to around 25 Mph.

Tonight 20 Apr Snowy and Judith Mountains

Mostly cloudy early in the evening then becoming partly cloudy. Lows in the mid 40s. North Winds up to 10 Mph shifting to the southwest after midnight. Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

April Temperature

Lewistown, Lewistown Municipal Airport (16.8 miles)

  • Lowest 16 April, 2026

    21.7 °F

  • Average April

    42.8 °F

  • Highest 11 April, 2026

    74.6 °F

Climate (2021–Present)

Lewistown, Lewistown Municipal Airport (16.8 miles)

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

  • Average Low 2021–2026

    32.7 °F

  • Average 2021–2026

    45 °F

  • Average High 2021–2026

    57.1 °F
Get WillyWeather+ to remove ads