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Great Falls MT Weather - Clear - 57°F
Clear
57°F
Updated 11:49 pm
Feels Like 53°F
Humidity 33%
Wind SSW 12 mph
Barometer  30.03 in
Dew Point 29°F
Great Falls MT Weather - Clear - 14°C
Clear
14°C
Updated 11:49 pm
Feels Like 12°C
Humidity 33%
Wind SSW 19 km/h
Barometer  101.6 kPa
Dew Point -2°C
Great Falls, MT Weather and Current Conditionsgreat falls mt weather forecast

Great Falls, MT Weather Forecast

Great Falls Montana WeatherGreat Falls, Montana Weather Weather Forecast
14 day API weather forecast for Great Falls, Montana. Note: The 7-day weather forecast for Great Falls, MT is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Great Falls, MT Weather Forecast Dated: 1149 PM Sun Oct 04 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Sunday, October 4, 2026

Mid-Morning
Great Falls Weather - 2026-10-04 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Great Falls Weather - 2026-10-04 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Great Falls Weather - 2026-10-04 - Evening - Sunny
68°F 20°C
Sunny
Pleasant near 74°F 23°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Monday, October 5, 2026

Mid-Morning
Great Falls Weather - 2026-10-05 - Morning - Partly Cloudy
65°F 18°C
Partly Cloudy
Mid-Afternoon
Great Falls Weather - 2026-10-05 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Great Falls Weather - 2026-10-05 - Evening - Sunny
73°F 23°C
Sunny
Balmy with temperatures reaching 84°F 29°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the SW to the WSW at 15 mph 23 km/h. Gusts up to 27 mph 44 km/h.

Tuesday, October 6, 2026

Mid-Morning
Great Falls Weather - 2026-10-06 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
Great Falls Weather - 2026-10-06 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Great Falls Weather - 2026-10-06 - Evening - Cloudy
67°F 20°C
Cloudy
Enjoyable around 78°F 26°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the WSW to the NE at 7 mph 11 km/h.

Wednesday, October 7, 2026

Mid-Morning
Great Falls Weather - 2026-10-07 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Great Falls Weather - 2026-10-07 - Afternoon - Cloudy
74°F 23°C
Cloudy
Early-Evening
Great Falls Weather - 2026-10-07 - Evening - Sunny
61°F 17°C
Sunny
Mild temperatures up to 74°F 23°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the WSW to the NE at 8 mph 13 km/h.

Thursday, October 8, 2026

Mid-Morning
Great Falls Weather - 2026-10-08 - Morning - Partly Cloudy
51°F 11°C
Partly Cloudy
Mid-Afternoon
Great Falls Weather - 2026-10-08 - Afternoon - Cloudy
68°F 20°C
Cloudy
Early-Evening
Great Falls Weather - 2026-10-08 - Evening - Partly Cloudy
60°F 15°C
Partly Cloudy
Mild with a high of 68°F 20°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.

Friday, October 9, 2026

Mid-Morning
Great Falls Weather - 2026-10-09 - Morning - Overcast
51°F 10°C
Overcast
Mid-Afternoon
Great Falls Weather - 2026-10-09 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Great Falls Weather - 2026-10-09 - Evening - Cloudy
70°F 21°C
Cloudy
Warm and summery near 80°F 27°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds picking up from S at 4 mph 6 km/h to SW at 13 mph 21 km/h. Gusts up to 29 mph 46 km/h.

Saturday, October 10, 2026

Mid-Morning
Great Falls Weather - 2026-10-10 - Morning - Partly Cloudy
47°F 8°C
Partly Cloudy
Mid-Afternoon
Great Falls Weather - 2026-10-10 - Afternoon - Light Snow
39°F 4°C
Light Snow
Early-Evening
Great Falls Weather - 2026-10-10 - Evening - Light Snow Showers
37°F 3°C
Light Snow Showers
Nippy around 39°F 4°C, drier morning followed by snow lasting through evening, with steady humidity and barometric pressure rising. Winds blowing from the NNW at 15 mph 25 km/h.

Sunday, October 11, 2026

Mid-Morning
Great Falls Weather - 2026-10-11 - Morning - Heavy Snow
32°F 0°C
Heavy Snow
Mid-Afternoon
Great Falls Weather - 2026-10-11 - Afternoon - Heavy Snow
33°F 0°C
Heavy Snow
Early-Evening
Great Falls Weather - 2026-10-11 - Evening - Heavy Snow
32°F 0°C
Heavy Snow
Biting cold near 33°F 0°C, persistent snow off and on through the day, with steady humidity and steady pressure. New snow accumulation of 3 to 6 in. 8 to 15 cm. Winds turning from the N to the NNE at 8 mph 13 km/h.

Monday, October 12, 2026

Mid-Morning
Great Falls Weather - 2026-10-12 - Morning - Light Snow
29°F -2°C
Light Snow
Mid-Afternoon
Great Falls Weather - 2026-10-12 - Afternoon - Freezing Rain
32°F 0°C
Freezing Rain
Early-Evening
Great Falls Weather - 2026-10-12 - Evening - Overcast
28°F -2°C
Overcast
Cold with a high near 32°F 0°C, snow through the afternoon, tapering off by evening, with steady humidity and steady pressure.

Tuesday, October 13, 2026

Mid-Morning
Great Falls Weather - 2026-10-13 - Morning - Sunny
24°F -5°C
Sunny
Mid-Afternoon
Great Falls Weather - 2026-10-13 - Afternoon - Sunny
39°F 4°C
Sunny
Early-Evening
Great Falls Weather - 2026-10-13 - Evening - Fog
34°F 1°C
Fog
Nippy around 39°F 4°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling.

Wednesday, October 14, 2026

Mid-Morning
Great Falls Weather - 2026-10-14 - Morning - Sunny
33°F 0°C
Sunny
Mid-Afternoon
Great Falls Weather - 2026-10-14 - Afternoon - Sunny
54°F 12°C
Sunny
Early-Evening
Great Falls Weather - 2026-10-14 - Evening - Sunny
45°F 7°C
Sunny
Chilly near 54°F 12°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the SW to the SSW at 3 mph 5 km/h.

Thursday, October 15, 2026

Mid-Morning
Great Falls Weather - 2026-10-15 - Morning - Sunny
41°F 5°C
Sunny
Mid-Afternoon
Great Falls Weather - 2026-10-15 - Afternoon - Overcast
56°F 13°C
Overcast
Early-Evening
Great Falls Weather - 2026-10-15 - Evening - Overcast
47°F 9°C
Overcast
Crisp with a high near 56°F 13°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure rising. Winds moving from the SW to the WNW at 12 mph 19 km/h.

Friday, October 16, 2026

Mid-Morning
Great Falls Weather - 2026-10-16 - Morning - Sunny
39°F 4°C
Sunny
Mid-Afternoon
Great Falls Weather - 2026-10-16 - Afternoon - Overcast
55°F 13°C
Overcast
Early-Evening
Great Falls Weather - 2026-10-16 - Evening - Sunny
46°F 8°C
Sunny
Brisk around 55°F 13°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds swinging from the WSW to the S at 5 mph 8 km/h.

Saturday, October 17, 2026

Mid-Morning
Great Falls Weather - 2026-10-17 - Morning - Sunny
40°F 5°C
Sunny
Mid-Afternoon
Great Falls Weather - 2026-10-17 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Great Falls Weather - 2026-10-17 - Evening - Sunny
55°F 13°C
Sunny
Mildly cool near 65°F 18°C, sunny throughout the day, with lower humidity and barometric pressure falling.

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Weather by the Numbers

Sun, 4th
Great Falls MT Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 76°F 25°C
Lo: 47°F 8°C
Sunrise 07:29 AM
Sunset 06:58 PM
Wind SW 3 mph5 km/h
Dew Point 35°F2°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 34%
Mon, 5th
Great Falls MT Weather - Monday, Oct 5, 2026 - Cloudy
Hi: 84°F 29°C
Lo: 56°F 14°C
Sunrise 07:30 AM
Sunset 06:56 PM
Wind WSW 20 mph33 km/h
Dew Point 23°F-5°C
uv Index 3
Barometric Pressure 29.8 in1009 mb
POP 5% *
Humidity 12%
Tue, 6th
Great Falls MT Weather - Tuesday, Oct 6, 2026 - Partly Cloudy
Hi: 79°F 26°C
Lo: 55°F 13°C
Sunrise 07:32 AM
Sunset 06:54 PM
Wind W 16 mph26 km/h
Dew Point 22°F-6°C
uv Index 3
Barometric Pressure 29.88 in1012 mb
POP 4% *
Humidity 14%
Wed, 7th
Great Falls MT Weather - Wednesday, Oct 7, 2026 - Partly Cloudy
Hi: 74°F 23°C
Lo: 51°F 11°C
Sunrise 07:33 AM
Sunset 06:52 PM
Wind WNW 5 mph9 km/h
Dew Point 24°F-5°C
uv Index 2
Barometric Pressure 29.97 in1015 mb
POP 2% *
Humidity 19%
Thu, 8th
Great Falls MT Weather - Thursday, Oct 8, 2026 - Cloudy
Hi: 68°F 20°C
Lo: 46°F 8°C
Sunrise 07:35 AM
Sunset 06:50 PM
Wind N 5 mph9 km/h
Dew Point 33°F0°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 7% *
Humidity 34%
Fri, 9th
Great Falls MT Weather - Friday, Oct 9, 2026 - Sunny
Hi: 80°F 27°C
Lo: 45°F 7°C
Sunrise 07:36 AM
Sunset 06:48 PM
Wind SW 15 mph25 km/h
Dew Point 29°F-2°C
uv Index 6
Barometric Pressure 29.8 in1009 mb
POP 1% *
Humidity 20%
Sat, 10th
Great Falls MT Weather - Saturday, Oct 10, 2026 - Patchy Rain Nearby
Hi: 68°F 20°C
Lo: 33°F 0°C
Sunrise 07:37 AM
Sunset 06:46 PM
Wind NNW 15 mph25 km/h
Dew Point 37°F3°C
uv Index 2
Barometric Pressure 29.88 in1012 mb
POP 26% *
Humidity 78%
Sun, 11th
Great Falls MT Weather - Sunday, Oct 11, 2026 - Heavy Snow
Hi: 33°F 0°C
Lo: 31°F -0°C
Sunrise 07:39 AM
Sunset 06:44 PM
Wind N 10 mph17 km/h
Dew Point 32°F0°C
uv Index 1
Barometric Pressure 30.24 in1024 mb
POP 83% *
Humidity 100%
Mon, 12th
Great Falls MT Weather - Monday, Oct 12, 2026 - Light Freezing Rain
Hi: 32°F 0°C
Lo: 22°F -6°C
Sunrise 07:40 AM
Sunset 06:42 PM
Wind E 3 mph4 km/h
Dew Point 28°F-2°C
uv Index 1
Barometric Pressure 30.33 in1027 mb
POP 23% *
Humidity 91%
Tue, 13th
Great Falls MT Weather - Tuesday, Oct 13, 2026 - Sunny
Hi: 39°F 4°C
Lo: 17°F -8°C
Sunrise 07:42 AM
Sunset 06:41 PM
Wind SSE 4 mph7 km/h
Dew Point 30°F-1°C
uv Index 2
Barometric Pressure 30.15 in1021 mb
POP 11% *
Humidity 83%
Wed, 14th
Great Falls MT Weather - Wednesday, Oct 14, 2026 - Cloudy
Hi: 54°F 12°C
Lo: 30°F -1°C
Sunrise 07:43 AM
Sunset 06:39 PM
Wind SW 9 mph15 km/h
Dew Point 34°F1°C
uv Index 2
Barometric Pressure 29.91 in1013 mb
POP 14% *
Humidity 66%
Thu, 15th
Great Falls MT Weather - Thursday, Oct 15, 2026 - Overcast
Hi: 56°F 13°C
Lo: 38°F 3°C
Sunrise 07:44 AM
Sunset 06:37 PM
Wind WSW 19 mph30 km/h
Dew Point 31°F-1°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 10% *
Humidity 41%
Fri, 16th
Great Falls MT Weather - Friday, Oct 16, 2026 - Cloudy
Hi: 55°F 13°C
Lo: 37°F 3°C
Sunrise 07:46 AM
Sunset 06:35 PM
Wind W 10 mph17 km/h
Dew Point 33°F0°C
uv Index 3
Barometric Pressure 30.36 in1028 mb
POP 8% *
Humidity 48%
Sat, 17th
Great Falls MT Weather - Saturday, Oct 17, 2026 - Sunny
Hi: 65°F 18°C
Lo: 36°F 2°C
Sunrise 07:47 AM
Sunset 06:33 PM
Wind SW 8 mph13 km/h
Dew Point 30°F-1°C
uv Index 4
Barometric Pressure 30.36 in1028 mb
POP 1% *
Humidity 37%
* POP = Probability of Precipitation. Data for 12:00 PM.