Lewis Lake Weather Forecast

    • 11
    • 32

    Snow Showers

    • 12
    • 25

    Mostly Cloudy

    • 17
    • 29

    Chance Snow Showers

    • 28
    • 32

    Snow Showers Likely

    • 24
    • 37

    Snow Showers Likely

    • 18
    • 33

    Snow Showers Likely

Today 20 Feb Yellowstone National Park

Areas of fog this morning. Cloudy with scattered snow Showers. Highs in the lower 30s. Northwest Winds around 10 Mph this afternoon. Chance of snow 30 percent.

Tonight 20 Feb Yellowstone National Park

Mostly cloudy. Areas of fog in the evening. Widespread fog after midnight. Cold with Lows 9 to 15 above. Northwest Winds around 10 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis Lake Temperature Statistics

February Temperature

Yellowstone Lake (19.3 miles)

  • Lowest 13 February, 2025

    -29 °F

  • Average February

    12.9 °F

  • Highest 4 February, 2025

    40.6 °F

Climate (2020–Present)

Yellowstone Lake (19.3 miles)

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  • Average Low 2020–2025

    21.8 °F

  • Average 2020–2025

    34.5 °F

  • Average High 2020–2025

    47.1 °F
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