Lewistown weather live forecast

Tomorrow's maximum temperature in Lewistown is expected to be -20°C.

5-day weather forecast updated at 04:04 on Tuesday 18th February 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 Tuesday 18th February 2025

Expect mostly cloudy with light snow in Lewistown, Montana with a maximum temperature of -20°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 8% chance of some snow and a gentle breeze of 15 kph from the east.

  • -20°C maximum temperature-20
    °C maximum temperature
  • -26°C minimum temperature-26
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 8% chance of some snow8
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -28°C wind chill-28
    °C wind chill
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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Lewistown weather for Wednesday 19th February 2025

Expect scattered clouds in Lewistown, Montana with a maximum temperature of -9°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the south-east.

  • -9°C maximum temperature-9
    °C maximum temperature
  • -27°C minimum temperature-27
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • -15°C wind chill-15
    °C wind chill
  • Gentle breeze of 14 kph from the South-East14
    kph wind from SE

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Lewistown weather for Thursday 20th February 2025

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 1°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -13°C minimum temperature-13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 16 kph from the West16
    kph wind from W

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Lewistown weather for Friday 21st February 2025

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 1°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Lewistown weather for Saturday 22nd February 2025

Expect broken clouds in Lewistown, Montana with a maximum temperature of 4°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-west.

  • 4°C maximum temperature4
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Moderate breeze of 27 kph from the South-West27
    kph wind from SW

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

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