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Great Falls weather live forecast
Tomorrow's maximum temperature in Great Falls is expected to be 77°F.
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Friday
2nd May
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Saturday
3rd May
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Sunday
4th May
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Monday
5th May
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Tuesday
6th May
5-day weather forecast updated at 04:00 on Friday 2nd May 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 Friday 2nd May 2025
Expect clear skies in Great Falls, Montana with a maximum temperature of 77°F, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south-west.
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clear skies
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Great Falls weather for Saturday 3rd May 2025
Expect scattered clouds in Great Falls, Montana with a maximum temperature of 81°F, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-west.
- °F maximum temperature
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scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- °F wind chill
- mph wind from SW
Great Falls weather for Sunday 4th May 2025
Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 68°F, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 73% chance of some rain and a fresh breeze of 21 mph from the north.
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sunshine and showers
- hours of sunshine
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Great Falls weather for Monday 5th May 2025
Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 46°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 20-30 mm of sleet/snow expected with 71% chance of some sleet or snow and a moderate breeze of 15 mph from the north.
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cloudy with sleet or snow
- hours of sunshine
- UV index (Moderate)
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Great Falls weather for Tuesday 6th May 2025
Expect clear skies in Great Falls, Montana with a maximum temperature of 63°F, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-east.
- °F maximum temperature
- °F minimum temperature
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clear skies
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- no heat & humidity
- mph wind from SE
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