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Great Falls weather live forecast
Today's maximum temperature in Great Falls is expected to be 55°F. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.
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Sunday
19th Oct -
Monday
20th Oct -
Tuesday
21st Oct -
Wednesday
22nd Oct -
Thursday
23rd Oct
5-day weather forecast updated at 04:00 on Sunday 19th October 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 Sunday 19th October 2025
Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a strong breeze of 28 mph from the south-west.
- °F maximum temperature
- °F minimum temperature
- mostly cloudy with light rain
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- °F wind chill
- mph wind from SW
Great Falls weather for Monday 20th October 2025
Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 50°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a fresh breeze of 22 mph from the west.
- °F maximum temperature
- °F minimum temperature
- sunshine and showers
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- mph wind from W
Great Falls weather for Tuesday 21st October 2025
Expect scattered clouds in Great Falls, Montana with a maximum temperature of 59°F, maximum UV of 2 (Low) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the south-west.
- °F maximum temperature
- °F minimum temperature
- scattered clouds
- hours of sunshine
- UV index (Low)
- mm of rainfall expected
- no heat & humidity
- mph wind from SW
Great Falls weather for Wednesday 22nd October 2025
Expect clear skies in Great Falls, Montana with a maximum temperature of 63°F, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.
- °F maximum temperature
- °F minimum temperature
- clear skies
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- no heat & humidity
- mph wind from SW
Great Falls weather for Thursday 23rd October 2025
Expect scattered clouds in Great Falls, Montana with a maximum temperature of 61°F, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south-west.
- °F maximum temperature
- °F minimum temperature
- scattered clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- no heat & humidity
- mph wind from SW
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