Great Falls weather live forecast

Tomorrow's maximum temperature in Great Falls is expected to be 10°C.

  • Wednesday
    16th Apr
    Cloudy with sleet or snow (5-10 mm of rainfall expected)
  • Thursday
    17th Apr
    Broken clouds
  • Friday
    18th Apr
    Clear skies
  • Saturday
    19th Apr
    Scattered clouds
  • Sunday
    20th Apr
    Mostly cloudy with light rain (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Wednesday 16th April 2025 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 Wednesday 16th April 2025

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 10°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 99% chance of some sleet or snow and a fresh breeze of 29 kph from the north.

  • 10°C maximum temperature10
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 99% chance of some sleet or snow99
    % chance of some sleet or snow
  • 5-10 mm of sleet/snow expected<10
    mm of sleet/snow expected
  • 6°C wind chill6
    °C wind chill
  • Fresh breeze of 29 kph from the North29
    kph wind from N

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Great Falls weather for Thursday 17th April 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 5°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north.

  • 5°C maximum temperature5
    °C maximum temperature
  • -2°C minimum temperature-2
    °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
  • 1°C wind chill1
    °C wind chill
  • Fresh breeze of 30 kph from the North30
    kph wind from N

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Great Falls weather for Friday 18th April 2025

Expect clear skies in Great Falls, Montana with a maximum temperature of 10°C, maximum UV of 5 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

  • 10°C maximum temperature10
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 19 kph from the West19
    kph wind from W

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Great Falls weather for Saturday 19th April 2025

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 18°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Fresh breeze of 31 kph from the South-West31
    kph wind from SW

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Great Falls weather for Sunday 20th April 2025

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 23 kph from the north-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 47% chance of some rain47
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Moderate breeze of 23 kph from the North-West23
    kph wind from NW

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

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