Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 3°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

5-day weather forecast updated at 04:03 on Thursday 27th November 2025 GMT

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The 5-day weather forecast for Montana (Lewistown) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Lewistown weather forecast by day

Below are the detailed weather forecasts for Lewistown for the next 5 days.

Lewistown weather for Thursday 27th November 2025

Expect mostly cloudy with light snow in Lewistown, Montana with a maximum temperature of 3°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 68% chance of some snow and a gentle breeze of 13 kph from the south-east.

  • 3°C maximum temperature3
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 68% chance of some snow68
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 0°C wind chill0
    °C wind chill
  • Gentle breeze of 13 kph from the South-East13
    kph wind from SE

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Lewistown weather for Friday 28th November 2025

Expect cloudy with some snow in Lewistown, Montana with a maximum temperature of -1°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 cm of snow expected with 100% chance of some snow and a moderate breeze of 24 kph from the north-west.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -11°C minimum temperature-11
    °C minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 100% chance of some snow100
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • Moderate breeze of 24 kph from the North-West24
    kph wind from NW

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Lewistown weather for Saturday 29th November 2025

Expect clear skies with flurries of snow in Lewistown, Montana with a maximum temperature of -7°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0-2 cm of snow expected with 7% chance of some snow and a gentle breeze of 19 kph from the north-west.

  • -7°C maximum temperature-7
    °C maximum temperature
  • -19°C minimum temperature-19
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 7% chance of some snow7
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -14°C wind chill-14
    °C wind chill
  • Gentle breeze of 19 kph from the North-West19
    kph wind from NW

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Lewistown weather for Sunday 30th November 2025

Expect scattered clouds in Lewistown, Montana with a maximum temperature of -3°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 13 kph from the south-west.

  • -3°C maximum temperature-3
    °C maximum temperature
  • -17°C minimum temperature-17
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

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Lewistown weather for Monday 1st December 2025

Expect broken clouds in Lewistown, Montana with a maximum temperature of 2°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

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Metric (°C / mm)  |  Imperial (°F / inches)

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