First Lake, MT 14 Day Weather
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First Lake, MT Weather Forecast


First Lake, MT Weather Forecast Dated: 145 AM Fri Sep 04 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 4, 2026
Mid-Morning
50°F 10°C
Rain
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
62°F 17°C
Partly Cloudy
Refreshing around 66°F 19°C, early showers breaking for a drier afternoon, with lower humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
52°F 11°C
Light Showers
Mid-Afternoon
70°F 21°C
Partly Cloudy
Early-Evening
64°F 18°C
Partly Cloudy
Comfortable with temperatures reaching 70°F 21°C, scattered morning showers before drying out later, with lower humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
51°F 11°C
Light Showers
Mid-Afternoon
65°F 18°C
Scattered Showers
Early-Evening
62°F 17°C
Scattered Showers
Comfortable at 65°F 18°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds turning from the SSW to the ESE at 8 mph 13 km/h.
Monday, September 7, 2026
Mid-Morning
53°F 12°C
Light Showers
Mid-Afternoon
62°F 17°C
Light Showers
Early-Evening
58°F 15°C
Light Showers
Cool with a high near 62°F 17°C, rounds of showers expected off and on all day, with lower humidity and steady pressure. Winds building from SW at 1 mph 1 km/h to SSW at 9 mph 14 km/h.
Tuesday, September 8, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
67°F 19°C
Overcast
Mild with a high of 72°F 22°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling.
Wednesday, September 9, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
63°F 17°C
Partly Cloudy
Mildly cool near 65°F 18°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
53°F 11°C
Overcast
Mid-Afternoon
68°F 20°C
Cloudy
Early-Evening
65°F 18°C
Overcast
Comfortable with temperatures reaching 68°F 20°C, overcast throughout the day, with lower humidity and barometric pressure falling.
Friday, September 11, 2026
Mid-Morning
55°F 13°C
Cloudy
Mid-Afternoon
70°F 21°C
Cloudy
Early-Evening
60°F 16°C
Overcast
Enjoyable around 70°F 21°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds increasing from the SSW at 4 mph 7 km/h to SSW at 15 mph 24 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 12, 2026
Mid-Morning
50°F 10°C
Scattered Showers
Mid-Afternoon
54°F 12°C
Scattered Showers
Early-Evening
49°F 10°C
Scattered Showers
Brisk around 54°F 12°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the SSW to the S at 11 mph 18 km/h.
Sunday, September 13, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
57°F 14°C
Cloudy
Mildly cool near 64°F 18°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds shifting from the SSW to the NE at 9 mph 15 km/h.
Monday, September 14, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
51°F 10°C
Light Showers
Early-Evening
54°F 12°C
Light Showers
Chilly near 51°F 10°C, clouds and showers taking over for the afternoon and evening, with lower humidity and steady pressure. Winds turning from the S to the SSW at 9 mph 14 km/h.
Tuesday, September 15, 2026
Mid-Morning
43°F 6°C
Scattered Showers
Mid-Afternoon
56°F 13°C
Scattered Showers
Early-Evening
48°F 9°C
Overcast
Crisp with a high near 56°F 13°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds picking up from NNW at 4 mph 6 km/h to NE at 14 mph 22 km/h. Gusts up to 22 mph 35 km/h.
Wednesday, September 16, 2026
Mid-Morning
35°F 2°C
Sunny
Mid-Afternoon
51°F 11°C
Sunny
Early-Evening
47°F 9°C
Sunny
Brisk around 51°F 11°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Thursday, September 17, 2026
Mid-Morning
38°F 3°C
Partly Cloudy
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
55°F 12°C
Sunny
Mildly cool near 59°F 15°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling.
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