Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 6°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

  • Tuesday
    27th Jan
    Scattered clouds
  • Wednesday
    28th Jan
    Mostly cloudy with light snow (0-2 cm of snow expected)
  • Thursday
    29th Jan
    Broken clouds (0-2 mm of rainfall expected)
  • Friday
    30th Jan
    Broken clouds
  • Saturday
    31st Jan
    Broken clouds

5-day weather forecast updated at 04:00 on Tuesday 27th January 2026 GMT

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

Great Falls weather forecast by day

Below are the detailed weather forecasts for Great Falls for the next 5 days.

Great Falls weather for Tuesday 27th January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

  • 6°C maximum temperature6
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Moderate breeze of 23 kph from the South-West23
    kph wind from SW

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Great Falls weather for Wednesday 28th January 2026

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 25% chance of some snow and a fresh breeze of 31 kph from the south-west.

  • 6°C maximum temperature6
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 25% chance of some snow25
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 2°C wind chill2
    °C wind chill
  • Fresh breeze of 31 kph from the South-West31
    kph wind from SW

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Great Falls weather for Thursday 29th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 8°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a fresh breeze of 29 kph from the south-west.

  • 8°C maximum temperature8
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 3% chance of some rain3
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Fresh breeze of 29 kph from the South-West29
    kph wind from SW

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Great Falls weather for Friday 30th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Fresh breeze of 31 kph from the South-West31
    kph wind from SW

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Great Falls weather for Saturday 31st January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the south-west.

  • 11°C maximum temperature11
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 32 kph from the South-West32
    kph wind from SW

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

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