Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 0°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

5-day weather forecast updated at 04:04 on Monday 1st December 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 Monday 1st December 2025

Expect broken clouds in Lewistown, Montana with a maximum temperature of 0°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 20 kph from the south-west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -13°C minimum temperature-13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Moderate breeze of 20 kph from the South-West20
    kph wind from SW

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Lewistown weather for Tuesday 2nd December 2025

Expect cloudy with some snow in Lewistown, Montana with a maximum temperature of 0°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 cm of snow expected with 99% chance of some snow and a moderate breeze of 24 kph from the north-west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -5°C minimum temperature-5
    °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)
  • 99% chance of some snow99
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -6°C wind chill-6
    °C wind chill
  • Moderate breeze of 24 kph from the North-West24
    kph wind from NW

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Lewistown weather for Wednesday 3rd December 2025

Expect clear skies with flurries of snow in Lewistown, Montana with a maximum temperature of -1°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 19% chance of some snow and a gentle breeze of 18 kph from the south-west.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 19% chance of some snow19
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -6°C wind chill-6
    °C wind chill
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

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Lewistown weather for Thursday 4th December 2025

Expect cloudy with sleet or snow in Lewistown, Montana with a maximum temperature of 1°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 58% chance of some sleet or snow and a moderate breeze of 25 kph from the west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 58% chance of some sleet or snow58
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • -4°C wind chill-4
    °C wind chill
  • Moderate breeze of 25 kph from the West25
    kph wind from W

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Lewistown weather for Friday 5th December 2025

Expect cloudy with sleet or snow in Lewistown, Montana with a maximum temperature of 4°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 66% chance of some sleet or snow and a moderate breeze of 25 kph from the west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 66% chance of some sleet or snow66
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • -1°C wind chill-1
    °C wind chill
  • Moderate breeze of 25 kph from the West25
    kph wind from W

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

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