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.

  • Wednesday
    7th Jan
    Scattered clouds
  • Thursday
    8th Jan
    Overcast skies
  • Friday
    9th Jan
    Broken clouds
  • Saturday
    10th Jan
    Scattered clouds
  • Sunday
    11th Jan
    Broken clouds

5-day weather forecast updated at 04:01 on Wednesday 7th 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 Wednesday 7th January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 45 kph from the south-west.

  • 6°C maximum temperature6
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Strong breeze of 45 kph from the South-West45
    kph wind from SW

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Great Falls weather for Thursday 8th January 2026

Expect overcast skies in Great Falls, Montana with a maximum temperature of 4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 37 kph from the south-west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Fresh breeze of 37 kph from the South-West37
    kph wind from SW

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Great Falls weather for Friday 9th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 5°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the west.

  • 5°C maximum temperature5
    °C maximum temperature
  • -5°C minimum temperature-5
    °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 mm of rainfall expected0
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Fresh breeze of 36 kph from the West36
    kph wind from W

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Great Falls weather for Saturday 10th January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Fresh breeze of 30 kph from the South-West30
    kph wind from SW

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Great Falls weather for Sunday 11th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 10°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the south-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 36 kph from the South-West36
    kph wind from SW

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

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