Big Lake, MT 14 Day Weather
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Big Lake, MT Weather Forecast


Big Lake, MT Weather Forecast Dated: 812 PM Sat Sep 26 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Saturday, September 26, 2026
Mid-Morning
53°F 12°C
Partly Cloudy
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
55°F 13°C
Overcast
Refreshing around 61°F 16°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the W to the NW at 12 mph 19 km/h.
Sunday, September 27, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
65°F 19°C
Overcast
Early-Evening
60°F 16°C
Overcast
Mildly cool near 65°F 19°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SSE to the SSW at 4 mph 7 km/h.
Monday, September 28, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
64°F 18°C
Sunny
Enjoyable around 72°F 22°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the NNE to the W at 7 mph 12 km/h.
Tuesday, September 29, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
69°F 20°C
Sunny
Mild temperatures up to 75°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the WSW to the W at 18 mph 29 km/h. Gusts up to 31 mph 50 km/h.
Wednesday, September 30, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
65°F 18°C
Sunny
Mild with a high of 74°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the W to the NW at 7 mph 11 km/h.
Thursday, October 1, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
72°F 22°C
Sunny
Warm and summery near 83°F 28°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Friday, October 2, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
52°F 12°C
Partly Cloudy
Comfortable at 62°F 17°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with increasing humidity and barometric pressure rising. Winds turning from the WNW to the NNW at 14 mph 22 km/h.
Saturday, October 3, 2026
Mid-Morning
42°F 6°C
Light Showers
Mid-Afternoon
45°F 7°C
Scattered Showers
Early-Evening
45°F 7°C
Overcast
Crisp with a high near 45°F 7°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds switching from the NNE to the NNW at 5 mph 9 km/h.
Sunday, October 4, 2026
Mid-Morning
41°F 5°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
58°F 14°C
Partly Cloudy
Refreshing around 61°F 16°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling.
Monday, October 5, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
81°F 27°C
Partly Cloudy
Early-Evening
74°F 23°C
Sunny
Very warm with a high of 81°F 27°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds blowing from the W at 26 mph 42 km/h. Gusts up to 30 mph 48 km/h.
Tuesday, October 6, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
76°F 25°C
Sunny
Warm and summery near 88°F 31°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the SSW to the SW at 6 mph 10 km/h.
Wednesday, October 7, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
91°F 33°C
Partly Cloudy
Early-Evening
78°F 26°C
Sunny
Hot and sweltering around 91°F 33°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds shifting from the WSW to the SSW at 7 mph 11 km/h.
Thursday, October 8, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
87°F 31°C
Overcast
Early-Evening
70°F 21°C
Overcast
Quite warm around 87°F 31°C, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure. Winds turning from the SSW to the NW at 9 mph 15 km/h.
Friday, October 9, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
71°F 22°C
Sunny
Mild temperatures up to 78°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling.
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