5-Day Weather Forecast, Great Falls (MT)

Sun May 19

11°C | 3°C

18 km/h

1.4 mm

broken clouds and thunder

hourly forecast

Mon May 20

14°C | 1°C

14 km/h

0.4 mm

partly cloudy and slight rain

hourly forecast

Tue May 21

17°C | 3°C

14 km/h

0.4 mm

partly cloudy and thunder

hourly forecast

Wed May 22

14°C | 5°C

7 km/h

1.8 mm

overcast and rain

Thu May 23

9°C | 4°C

29 km/h

16 mm

overcast and heavy rain

See the 10-day forecast for popular European destinations

Europe Forecast

Get more details in the extended 10 day weather forecast for Great Falls. Check out our May climate page to see if the current temperatures in Great Falls is typical for this time of year.

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