Great Falls, MT Weather

    04:00 Thursday
    Scattered clouds
    Scattered clouds
    16° Feels like 16°
    New Moon New Moon Illuminated: 0%
    reloj Hourly Cloudy intervals for the next few hours
    • Today 10 Sept. Light rain with partly cloudy skies 40% 0.8 mm 28° / 15° Strong southwest wind 35 - 64 km/h
    • Tomorrow 11 Sept. Moderate rain with partly cloudy skies 90% 15 mm 16° / 10° Moderate northeast wind 22 - 44 km/h
    • Saturday 12 Sept. Partly cloudy 16° / 9° Moderate northeast wind 18 - 35 km/h
    • Sunday 13 Sept. Light rain with partly cloudy skies 80% 2.4 mm 19° / 6° Moderate northwest wind 13 - 29 km/h
    • Monday 14 Sept. Scattered clouds 16° / 8° Strong southwest wind 25 - 50 km/h
    • Tuesday 15 Sept. Clear 19° / 5° Moderate east wind 11 - 22 km/h
    • Wednesday 16 Sept. Clear 19° / 7° Gentle southwest wind 9 - 19 km/h

    Weather Forecast for Great Falls, MT Today

    , 10 September

    Tomorrow

    , 11 September
    05:00 Scattered clouds 16° Scattered clouds
    Feels Like 16°
    Moderate southwest wind Southwest 21 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 38%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 40%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 15092 ft
    06:00 Scattered clouds 16° Scattered clouds
    Feels Like 16°
    Moderate southwest wind Southwest 21 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 38%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 35%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 14764 ft
    07:00 Scattered clouds 16° Scattered clouds
    Feels Like 16°
    Moderate southwest wind Southwest 22 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 37%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 33%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 14108 ft
    Scattered clouds 08:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Moderate southwest wind Southwest 23 - 40 km/h
    		UV Index 0 Low SPF: no
    08:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Moderate southwest wind Southwest 23 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 36%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 40%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 14108 ft
    09:00 Scattered clouds 19° Scattered clouds
    Feels Like 19°
    Moderate southwest wind Southwest 22 - 40 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 35%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 39%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 14436 ft
    10:00 Scattered clouds 21° Scattered clouds
    Feels Like 21°
    Moderate southwest wind Southwest 21 - 40 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 34%
    • Dew Point Dew Point 5 °C
    • Clouds Clouds 37%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 14436 ft
    Scattered clouds 11:00 Scattered clouds 23° Scattered clouds
    Feels Like 25°
    Moderate southwest wind Southwest 27 - 49 km/h
    		UV Index 3 Moderate SPF: 6-10
    11:00 Scattered clouds 23° Scattered clouds
    Feels Like 25°
    Moderate southwest wind Southwest 27 - 49 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 29%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 37%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 27 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 49 km/h
    • Snowline Snowline 14436 ft
    12:00 Scattered clouds 24° Scattered clouds
    Feels Like 25°
    Strong southwest wind Southwest 30 - 55 km/h
    		UV Index 4 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 25%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 37%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 30 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 55 km/h
    • Snowline Snowline 14436 ft
    13:00 Scattered clouds 26° Scattered clouds
    Feels Like 25°
    Strong southwest wind Southwest 32 - 59 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 23%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 37%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 32 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 59 km/h
    • Snowline Snowline 14436 ft
    Scattered clouds 14:00 Scattered clouds 27° Scattered clouds
    Feels Like 26°
    Strong southwest wind Southwest 35 - 64 km/h
    		UV Index 5 Moderate SPF: 6-10
    14:00 Scattered clouds 27° Scattered clouds
    Feels Like 26°
    Strong southwest wind Southwest 35 - 64 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 21%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 41%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 35 km/h
    • Pressure Pressure 1006 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 64 km/h
    • Snowline Snowline 14436 ft
    15:00 Scattered clouds 27° Scattered clouds
    Feels Like 26°
    Strong southwest wind Southwest 34 - 64 km/h
    		UV Index 4 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 21%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 45%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 34 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 64 km/h
    • Snowline Snowline 14108 ft
    16:00 Scattered clouds 27° Scattered clouds
    Feels Like 26°
    Strong west wind West 31 - 62 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 23%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 42%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 31 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 62 km/h
    • Snowline Snowline 14108 ft
    Scattered clouds 17:00 Scattered clouds 27° Scattered clouds
    Feels Like 26°
    Strong west wind West 28 - 56 km/h
    		UV Index 2 Low SPF: no
    17:00 Scattered clouds 27° Scattered clouds
    Feels Like 26°
    Strong west wind West 28 - 56 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 26%
    • Dew Point Dew Point 5 °C
    • Clouds Clouds 42%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 28 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 56 km/h
    • Snowline Snowline 14108 ft
    18:00 Scattered clouds 26° Scattered clouds
    Feels Like 26°
    Strong west wind West 23 - 51 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 29%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 38%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 51 km/h
    • Snowline Snowline 13780 ft
    19:00 Scattered clouds 24° Scattered clouds
    Feels Like 25°
    Moderate southwest wind Southwest 18 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 32%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 13451 ft
    Partly cloudy 20:00 Partly cloudy 22° Partly cloudy
    Feels Like 25°
    Moderate southwest wind Southwest 17 - 33 km/h
    		UV Index 0 Low SPF: no
    20:00 Partly cloudy 22° Partly cloudy
    Feels Like 25°
    Moderate southwest wind Southwest 17 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 34%
    • Dew Point Dew Point 5 °C
    • Clouds Clouds 64%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 13123 ft
    21:00 Partly cloudy 20° Partly cloudy
    Feels Like 20°
    Moderate west wind West 10 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 40%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 79%
    • Feels Like Feels Like 20 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 12795 ft
    22:00 Light rain with partly cloudy skies 30% 0.004 mm 18° Light rain
    Feels Like 18°
    Gentle west wind West 8 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 30% 0.004 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 91%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 12467 ft
    Light rain 23:00 Light rain with cloudy skies 30% 0.02 mm 16° Light rain
    Feels Like 16°
    Gentle west wind West 10 - 15 km/h
    		UV Index 0 Low SPF: no
    23:00 Light rain with cloudy skies 30% 0.8 mm 16° Light rain
    Feels Like 16°
    Gentle west wind West 10 - 15 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 30% 0.02 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 8 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1008 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 12467 ft
    24:00 Light rain with cloudy skies 30% 0.008 mm 16° Light rain
    Feels Like 16°
    Gentle northwest wind Northwest 0 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 30% 0.008 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 98%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 8 km
    • Wind Wind - Average 0 km/h
    • Pressure Pressure 1008 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 12139 ft

    Air quality in Great Falls today

    Detail
    43
    Moderate O₃ (108 µg/m³)

    Sunrise and Sunset

    Sunrise 06:56 Sunset 19:47
    First light 06:24 Midday 13:22 Last light 20:18
    Day length 12h 51m

    Time remaining until sunrise 2h 3m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    10 New Moon
    11 New Moon
    12 First Quarter
    13 First Quarter
    14 First Quarter
    15 First Quarter
    16 First Quarter
    17 First Quarter
    18 First Quarter
    19 First Quarter
    20 First Quarter
    21 First Quarter
    22 First Quarter
    23 First Quarter

    What is the weather like in Great Falls, MT in September?

    • Avg. Temp.
      Avg. Temp.: 15 °C Max.: 23 °C Min: 9 °C
    • Rainy Days
      Rainy Days: 6 days
    • Accumulated Rainfall
      Accumulated Rainfall: 39 mm
    • Average Wind Speed
      Average Wind Speed: 12 km/h

    Weather graphs

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