Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 1°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

5-day weather forecast updated at 04:00 on Friday 13th March 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 Friday 13th March 2026

Expect cloudy with some snow in Great Falls, Montana with a maximum temperature of 1°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 cm of snow expected with 69% chance of some snow and a moderate breeze of 20 kph from the north-east.

  • 1°C maximum temperature1
    °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 2 (Low)2
    UV index (Low)
  • 69% chance of some snow69
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Moderate breeze of 20 kph from the North-East20
    kph wind from NE

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Great Falls weather for Saturday 14th March 2026

Expect cloudy with some snow in Great Falls, Montana with a maximum temperature of 0°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 cm of snow expected with 99% chance of some snow and a fresh breeze of 32 kph from the north.

  • 0°C maximum temperature0
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 99% chance of some snow99
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • Fresh breeze of 32 kph from the North32
    kph wind from N

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Great Falls weather for Sunday 15th March 2026

Expect clear skies with flurries of snow in Great Falls, Montana with a maximum temperature of 0°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 4% chance of some snow and a gentle breeze of 18 kph from the south-west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -13°C minimum temperature-13
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 4% chance of some snow4
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

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Great Falls weather for Monday 16th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 45 kph from the south-west.

  • 7°C maximum temperature7
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Strong breeze of 45 kph from the South-West45
    kph wind from SW

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Great Falls weather for Tuesday 17th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 15°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 49 kph from the south-west.

  • 15°C maximum temperature15
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Strong breeze of 49 kph from the South-West49
    kph wind from SW

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

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